Fits 2015-2020 Ford F-150 models with a 6ft 6in bed, including XL, XLT, Lariat, King Ranch, Platinum, and SSV trims.

The BAKFlip MX4 (GEN 3) represents the next evolution of the world's best-selling hard folding truck bed cover. Built with heavy-duty aluminum top panels reinforced by high-density polymer cores, this generation offers a 22 percent increase in overall strength compared to the original model. The premium textured matte black finish provides a sleek, low-profile look that sits flush with your Ford's bed rails while resisting UV damage and scratches.

Security and weather resistance are paramount in the GEN 3 design. The patented auto-latching system features re-engineered lock components for superior resistance to forced entry. To keep your cargo dry, the MX4 utilizes revised EPDM rubber perimeter seals and a 13 percent longer dual-action tailgate seal that maintains full factory tailgate functionality whether the cover is open or closed. When you need to transport oversized items, the cover folds against the cab, secured by re-engineered prop rod clips, to provide 100 percent bed access.

• Heavy-duty aluminum panels with polymer cores (22% stronger than original MX4)
• Textured matte black finish on all surfaces for UV and scratch resistance
• 400 lbs. weight capacity (evenly distributed)
• Re-engineered perimeter seals and tight-fit clamps for maximum weather protection
• Extra-long dual-action tailgate seal works with the tailgate up or down
• No-drill installation with a 12 percent faster click-in design
• Integrated water drainage system and cab-protecting bumpers
• 5-year manufacturer warranty
• Manufacturer Part Number: 448327
• Assembled in the USA

Fits 2022-2026 Ford Maverick Lariat, Lobo, Tremor, XL, and XLT models with a 4.5ft bed.

The BAKFlip MX4 (GEN 3) is a heavy-duty hard folding tonneau cover engineered for maximum durability and security. Constructed from aircraft-grade aluminum panels reinforced with high-density polymer cores, this third-generation cover is 22% stronger than the original model. The MX4 sits flush with your Ford Maverick's bed rails for a low-profile look, finished in a premium matte black powder coat that resists scratches and UV damage.

Designed for daily utility, the MX4 features a patented auto-latching system that secures the bed as each panel is closed. When you need to haul large cargo, the cover folds completely forward against the cab, providing 100% bed access without removing the unit. Weather protection is handled by revised EPDM rubber perimeter seals and a 13% longer dual-action tailgate seal that allows you to operate the tailgate whether the cover is open or closed.

• Heavy-duty aluminum panels with polymer-reinforced cores (22% stronger than Gen 2)
• 400 lbs. weight capacity (evenly distributed)
• Matte black textured finish across all panels, rails, and frame
• Dual-action tailgate seal allows tailgate operation regardless of cover position
• Revised EPDM rubber seals and tight-fit clamps for superior weather resistance
• Folds against the cab for 100% bed access with prop rods and protective cab bumpers
• Re-engineered latching components for improved resistance to forced entry
• Click-in design for 12% faster installation compared to previous models
• Integrated water drainage system and 3rd brake light visibility
• Manufacturer Part Number: 448324
• Assembled in Missouri
• 5-year warranty

Fits select 2008-2016 Ford F-250 and F-350 Super Duty models with an 8-foot bed.

The BAKFlip MX4 (GEN 3) is the next evolution of the industry's most popular hard folding truck bed cover. This third-generation upgrade features heavy-duty aluminum top panels reinforced with high-density polymer cores, providing a 22% increase in strength over the original model. Designed to sit flush with your truck's bed rails, the MX4 offers a sleek, low-profile appearance while maintaining a robust 400 lb. weight capacity. The textured matte black finish is applied to all surfaces, including the side rails and frame, for a uniform and durable look.

Security is handled by BAK's patented auto-latching system and re-engineered lock components that offer superior resistance to forced entry. For weather protection, the MX4 utilizes revised EPDM rubber perimeter seals and a 13% longer dual-action tailgate seal that allows you to close the tailgate regardless of the cover's position. When you need full bed access, the panels fold upright against the cab, secured by re-engineered prop rod clips, while premium rubber bumpers protect the cab's finish.

• Heavy-duty aluminum panels with high-density polymer cores (22% stronger than Gen 1)
• Matte-finished textured black coating for scratch and UV resistance
• 400 lbs. weight capacity (evenly distributed)
• Dual-action tailgate seal for enhanced weather protection and easier operation
• Folds against the cab for 100% bed access with 3rd brake light visibility
• No-drill installation with a 12% faster click-in design
• Integrated water drainage system with precision-engineered side rails
• Assembled in Missouri, USA
• Manufacturer Part Number: 448311
• 5-year warranty

Fits select 2008-2016 Ford F-250 and F-350 Super Duty models (XL, XLT, Lariat, King Ranch, Platinum, FX4, Cabela's, and Harley-Davidson Edition) with a 6ft 9in bed.

The BAK BAKFlip MX4 (GEN 3) is the next evolution of the industry's most popular hard folding tonneau cover. Engineered for heavy-duty use and a sleek aesthetic, this cover features high-density polymer-reinforced aluminum panels that are 22 percent stronger than previous generations. The matte black textured finish provides a premium look while resisting scratches, UV damage, and fingerprints. Designed to sit flush with your truck's bed rails, the MX4 offers a low-profile appearance without sacrificing utility, allowing for 100 percent bed access when folded against the cab.

• Heavy-duty aluminum top panels with high-density polymer cores for 22% more strength
• Sleek, textured matte black finish across all surfaces and components
• Automatic latching system with re-engineered lock components for enhanced security
• Dual-action tailgate seal allows the tailgate to close with the cover open or shut
• Revised EPDM rubber perimeter seals and tight-fit clamps for superior weather resistance
• Weight capacity of 400 lbs. (evenly distributed)
• Simple, one-person installation with an all-new click-in design
• Includes integrated water drainage system and premium cab-protection bumpers
• Manufacturer Part Number: 448310
• Assembled in the USA and backed by a 5-year warranty

Fits select 2004-2014 Ford F-150 and 2006-2008 Lincoln Mark LT (5ft 6in Bed).

The BAKFlip MX4 (GEN 3) is a heavy-duty, matte-finish folding tonneau cover designed for superior security and weather protection. Constructed with high-density polymer-reinforced aluminum panels, this next-generation upgrade is 22% stronger than the original model. It sits flush with your bed rails for a low-profile look and provides 100% bed access when folded against the cab, secured by re-engineered prop rod clips.

• Enhanced Security: Features a patented automatic latching system with re-engineered lock components to resist forced entry.
• Weather Protection: Revised EPDM rubber perimeter seals and tight-fit clamps minimize water intrusion, while an extra-long dual-action tailgate seal allows operation with the cover open or closed.
• Heavy-Duty Capacity: Engineered with precision aluminum side rails and a frame that supports up to 400 lbs of evenly distributed weight.
• Matte Black Finish: A premium textured finish across all components resists scratches and UV damage.

This kit features a click-in design that reduces installation time by 12% compared to previous generations and ensures full 3rd brake light visibility. Proudly assembled in Missouri.

• Manufacturer Part Number: 448309
• Finish: Textured Matte Black
• Material: Aluminum / Polymer Core
• Weight Capacity: 400 lbs (Evenly Distributed)
• Bed Length: 5ft 6in
• Warranty: 5-Year

Fits 2004-2014 Ford F-150 and 2007-2008 Lincoln Mark LT models with a 6' 6" bed.

The BAKFlip MX4 (Gen 3) is a heavy-duty, hard-folding truck bed cover designed for maximum security and utility. Constructed with high-density polymer-reinforced aluminum panels, this next-generation MX4 offers a 22 percent increase in strength over previous models. Its flush-mount design provides a sleek, low-profile appearance while maintaining a robust 400 lb. weight capacity.

Security is handled by a patented auto-latching system and re-engineered lock components designed to resist forced entry. For weather protection, the MX4 utilizes revised EPDM rubber perimeter seals and a 13 percent longer dual-action tailgate seal that allows you to close the tailgate regardless of whether the cover is open or closed. The cover provides 100 percent bed access by folding upright against the cab, where it is secured by re-engineered prop rod clips and protected by premium rubber bumpers.

• Manufacturer Part Number: 448307
• Finish: Textured Matte Black
• Load Rating: 400 lbs (evenly distributed)
• Construction: Aluminum panels with high-density polymer core
• Flush-mount profile for improved aerodynamics and style
• Integrated water drainage system to divert moisture
• 12 percent faster installation with click-in design
• Assembled in Missouri
• 5-year warranty

Fits 2019-2026 Ram 1500 (New Body Style) equipped with the 5ft 7in bed and factory RamBox Cargo Management System.

The BAKFlip MX4 (Gen 3) is a premium hard folding tonneau cover designed for owners who demand heavy-duty security and a sleek, low-profile appearance. Constructed with aluminum top panels reinforced by high-density polymer cores, this third-generation evolution is 22% stronger than the original MX4. The matte-finished panels are scratch and UV-resistant, sitting flush with your truck's bed rails for a clean, aerodynamic look.

Engineered for maximum utility, the MX4 features a patented auto-latching system that secures the cover as you close it. For full bed access, the panels fold upright against the cab, secured by re-engineered prop rod clips and protected by premium rubber bumpers. The integrated water drainage system and revised EPDM rubber perimeter seals work with an extra-long dual-action tailgate seal to keep gear dry in any weather, allowing the tailgate to operate whether the cover is open or closed.

• Manufacturer Part Number: 448227RB
• Weight Capacity: 400 lbs. (evenly distributed)
• Finish: Textured Matte Black
• Panel Material: Aluminum with High-Density Polymer Core
• Installation: 12% faster click-in design; no drilling required
• Warranty: 5-Year Manufacturer Warranty
• Assembled in the USA

Fits select 2019-2026 Ram 1500 models with a 5' 7" bed and without the RamBox Cargo Management System. This includes Tradesman, Big Horn, Laramie, Rebel, Limited, and TRX trims.

The BAKFlip MX4 (GEN 3) is the next evolution of the industry's most popular hard folding tonneau cover. Engineered for superior strength and a low-profile aesthetic, this heavy-duty cover features aluminum top panels reinforced with high-density polymer cores. The GEN 3 design delivers a 22% increase in structural integrity over the original model, supporting up to 400 lbs of evenly distributed weight while maintaining a sleek, flush-mount appearance that sits level with your Ram's bed rails.

Security and weather resistance are paramount with the MX4. The patented auto-latching system has been re-engineered for increased resistance to forced entry, while revised EPDM rubber perimeter seals and tight-fit clamps provide an enhanced barrier against moisture. The 13% longer dual-action tailgate seal allows you to close the tailgate regardless of whether the cover is open or closed, preserving factory functionality. For full bed utility, the panels fold vertically against the cab, secured by upgraded prop rod clips, giving you 100% access for large hauls.

• Manufacturer Part Number: 448227
• Heavy-duty aluminum construction with high-density polymer cores
• Premium matte black textured finish for UV and scratch resistance
• 400 lbs. weight capacity (evenly distributed)
• Flush-mount design for a streamlined profile
• Integrated water drainage system with EPDM seals
• 12% faster installation with new click-in components
• Folds upright for 100% bed access with cab protection bumpers
• Assembled in the USA
• 5-year manufacturer warranty

Fits 2019-2026 Ram 1500 models with a 5.7ft bed, without Ram Box; compatible with Multi-Function Tailgate (MFTG) equipped vehicles.

The BAKFlip MX4 Gen 3 (Part Number 448226) is the latest evolution of the industry's most popular hard folding truck bed cover. Engineered for superior durability and a flush, low-profile fit, this third-generation upgrade features heavy-duty aluminum top panels reinforced with high-density polymer cores. These enhancements provide a 22% increase in panel strength over the original model, supporting a 400-lb. evenly distributed weight capacity.

This cover is built for real-world utility, featuring a sleek, textured matte black finish that resists UV damage and scratches. The re-engineered automatic latching system provides heightened security against forced entry, while revised EPDM rubber perimeter seals and a 13% longer dual-action tailgate seal ensure maximum weather resistance. Whether you are hauling gear or parking in the city, the MX4 Gen 3 offers 100% bed access and full visibility of the third brake light when folded upright against the cab.

• High-density polymer-reinforced aluminum panels for 400 lb. weight capacity
• Re-engineered perimeter seals and tight-fit clamps for superior weather protection
• Extra-long, dual-action tailgate seal for seamless operation with factory tailgates
• Low-profile, flush-mount design with a textured matte black finish
• 12% quicker installation with an all-new click-in design
• Premium rubber bumpers protect the cab in the upright position
• Integrated water drainage system keeps the bed dry
• Assembled in Missouri and backed by a 5-year warranty

Fits select 2019-2026 Ram 1500 (New Body Style) models with the 6'4" bed and without the RamBox cargo management system.

The BAKFlip MX4 (GEN 3) represents the next generation of hard folding tonneau covers, engineered with heavy-duty aluminum top panels reinforced by high-density polymer cores. This construction provides a 22 percent increase in overall strength compared to the original model, supporting up to a 400 lb. distributed weight capacity. The textured matte finish provides a sleek, low-profile look that sits flush with your bed rails while providing superior resistance to UV damage and scratches.

Installation is streamlined with an all-new click-in design that is 12 percent faster than previous iterations. For hauling large cargo, the cover folds completely against the cab to provide 100 percent bed access, secured by re-engineered prop rod clips. Weather resistance is prioritized through revised EPDM rubber perimeter seals and an extra-long dual-action tailgate seal that maintains factory tailgate functionality regardless of the cover's position.

• Manufacturer Part Number: 448223
• Material: Aluminum top panels with high-density polymer cores
• Finish: Textured matte black
• Weight Capacity: 400 lbs. (evenly distributed)
• Bed Access: 100% access with cab-side folding and prop rod storage
• Weather Protection: EPDM rubber perimeter seals and integrated water drainage system
• Security: Automatic latching panels with re-engineered lock components
• Installation: Simple one-person install with all-new click-in design
• Manufacturing: Assembled in Missouri
• Warranty: 5-year manufacturer warranty

Fits 2009-2010 Dodge Ram 1500 and 2011-2024 Ram 1500 / 1500 Classic models equipped with a 5' 7" bed and the RamBox cargo management system.

The BAKFlip MX4 (GEN 3) is the next evolution of the industry's most popular hard folding tonneau cover. Engineered for heavy-duty use and a low-profile aesthetic, the MX4 features high-density polymer-reinforced aluminum top panels that offer a 22 percent increase in strength over previous generations. The textured matte black finish provides superior UV and scratch resistance while remaining flush with your truck's bed rails.

Security and weather protection are central to the GEN 3 design. Re-engineered automatic latching components offer improved resistance to forced entry, while revised EPDM rubber perimeter seals and a 13 percent longer dual-action tailgate seal keep moisture out of the bed. When you need full cargo capacity, the cover folds against the cab for 100 percent bed access, secured by re-engineered prop rod clips and protected by premium rubber bumpers.

• Manufacturer Part Number: 448207RB
• 400 lbs. weight capacity (evenly distributed)
• High-density polymer-reinforced aluminum construction
• Dual-action tailgate seal allows tailgate operation with cover open or closed
• Textured matte black finish on all panels, rails, and frame
• Integrated water drainage system with specialized seals and clamps
• Simple, one-person click-in installation (12% faster than previous versions)
• Maintains 3rd brake light visibility in all positions
• Assembled in Missouri, USA
• 5-year manufacturer warranty

Fits 2009-2024 Dodge Ram 1500 and Ram 1500 Classic models with a 5' 7" bed, excluding those equipped with the RamBox cargo management system.

The BAK BAKFlip MX4 (GEN 3) is the heavy-duty evolution of the world's most popular hard folding truck bed cover. This next-generation upgrade features aluminum top panels reinforced with high-density polymer cores, resulting in a 22 percent increase in structural strength over the original MX4. The flush-mount design allows the cover to sit level with your truck bed rails, maintaining a clean profile while the textured matte black finish provides superior scratch and UV resistance.

Security and weather protection are central to the GEN 3 design. Re-engineered automatic latching components offer improved resistance against forced entry, while revised EPDM rubber perimeter seals and a 13 percent longer dual-action tailgate seal ensure better moisture management than previous generations. Whether you need 100 percent bed access for large hauls or a secure, weather-protected space for tools, the MX4 delivers professional-grade performance.

• High-Strength Construction: Polymer-reinforced aluminum panels support up to 400 lbs of evenly distributed weight.
• Advanced Weather Seal: EPDM perimeter seals and an integrated drainage system protect cargo from the elements.
• Full Bed Access: Folds completely against the cab with prop rods and bumpers to protect the rear window during transport.
• Simple Operation: Dual-action tailgate seal allows the tailgate to close regardless of the cover's position.

• MPN: 448207
• Finish: Textured Matte Black
• Load Rating: 400 lbs (Distributed)
• Material: Aluminum / High-Density Polymer
• Warranty: 5-Year Limited
• Manufacturing: Assembled in Missouri, USA

The BAK BAKFlip MX4 (GEN 3) is a heavy-duty, hard folding tonneau cover designed for ultimate durability and a sleek, flush-mount profile. Fits select 2002-2024 Dodge Ram 1500, 2500, 3500, and 1500 Classic models equipped with an 8ft bed. This third-generation upgrade features reinforced aluminum panels with high-density polymer cores, offering a 22 percent increase in strength over the original MX4 design.

Engineered for real-world use, the MX4 allows for 100 percent bed access and features an integrated water drainage system to keep cargo dry. The matte black textured finish provides scratch and UV resistance, while the re-engineered perimeter seals and tight-fit clamps offer superior protection against the elements. The 13 percent longer dual-action tailgate seal allows the tailgate to close regardless of the cover's position, maintaining full factory functionality.

• Heavy-duty aluminum panels with high-density polymer cores
• 400 lbs. weight capacity (evenly distributed)
• Premium matte black textured finish for a low-profile, flush appearance
• Re-engineered automatic latching system for enhanced security against forced entry
• Revised EPDM rubber perimeter seals and tight-fit clamps for weather resistance
• Extra-long dual-action tailgate seal simplifies operation
• Folds against the cab for full bed access with secure prop rods
• Simple no-drill installation with all-new click-in design
• Assembled in Missouri with a 5-year manufacturer warranty
• MPN: 448204

Fits select 2002-2024 Dodge/Ram 1500, 2500, and 3500 models equipped with a 6ft 4in bed and the Ram Box Cargo Management System.

The BAKFlip MX4 (GEN 3) is the next evolution of the industry's most popular hard folding truck bed cover. Re-engineered for superior durability and security, this low-profile cover features heavy-duty aluminum top panels reinforced with high-density polymer cores, offering a 22% increase in strength over previous generations. The textured matte black finish provides a sleek, scratch-resistant look that sits flush with your bed rails for a clean OE-style appearance.

Functionality is at the core of the MX4 design. The patented auto-latching system allows for secure closing, while the re-engineered perimeter seals and extra-long dual-action tailgate seal provide enhanced weather protection. When you need full bed access, the panels fold upright against the cab, protected by premium rubber bumpers and held securely by improved prop rod clips.

• Heavy-duty aluminum panels with high-density polymer cores
• 400 lbs. weight capacity (evenly distributed)
• 100% bed access without removing the cover
• Sleek, low-profile matte black finish across all components
• Re-engineered automatic latching system for improved security
• Integrated water drainage system with EPDM rubber seals
• Drill-free installation with click-in design
• Assembled in Missouri, USA
• Manufacturer Part Number: 448203RB
• 5-year warranty included

Fits select 2002-2024 Dodge/Ram 1500, 2500, and 3500 models with a 6'4" bed and without the Ram Box cargo management system.

The BAKFlip MX4 (GEN 3) is the next evolution of the industry's most popular hard folding truck bed cover. This generation features high-density polymer-reinforced aluminum panels that are 22% stronger than the original design, providing a 400-lb evenly distributed weight capacity. The matte black textured finish offers a sleek, low-profile look that sits flush with your truck's bed rails while providing superior resistance to UV damage, scratches, and fingerprints.

Security and weather protection are at the core of the MX4 design. The patented auto-latching system secures the cover automatically as each panel is closed, and the re-engineered lock components offer increased resistance to forced entry. To keep your cargo dry, the cover utilizes revised EPDM rubber perimeter seals and tight-fit clamps, complemented by an integrated water drainage system. The extra-long dual-action tailgate seal allows you to close the tailgate regardless of whether the cover is open or closed, maintaining full factory functionality.

• Heavy-duty aluminum panels with high-density polymer cores (22% stronger than previous models)
• Matte black textured finish for enhanced durability and UV resistance
• 400 lbs. evenly distributed weight capacity
• Folds against the cab for 100% bed access with premium rubber bumpers to protect the paint
• Integrated water drainage system with re-engineered EPDM perimeter seals
• 12% quicker installation with a new click-in design; no drilling required
• Precision-engineered aluminum side rails and frame
• Assembled in Missouri, USA
• MPN: 448203
• 5-Year Warranty

Fits 2023-2026 Chevrolet Colorado and GMC Canyon models with a 5.2ft bed, including LT, Trail Boss, WT, Z71, ZR2, AT4, AT4X, Denali, and Elevation trims.

The BAKFlip MX4 (GEN 3) is a heavy-duty, hard-folding truck bed cover designed for maximum security and utility. Built with high-density polymer-reinforced aluminum top panels, this third-generation evolution is 22 percent stronger than previous models, capable of supporting up to 400 lbs of evenly distributed weight. Its matte-finished panels sit flush within the bed rails for a low-profile aesthetic while providing 100 percent bed access when folded against the cab.

Weather protection is managed through re-engineered EPDM rubber perimeter seals and tight-fit clamps that prevent moisture intrusion. An integrated water drainage system channels runoff away from your cargo, while the dual-action tailgate seal ensures full functionality of the factory tailgate regardless of whether the cover is open or closed. Installation is streamlined with a click-in design that is 12 percent faster than earlier versions.

• Part Number: 448146
• Matte black textured finish for UV and scratch resistance
• Automatic latching system for enhanced security
• Aluminum side rails and frame for precision fitment
• Premium rubber bumpers protect the cab in the folded position
• Full 3rd brake light visibility when fully open
• Weight Capacity: 400 lbs (evenly distributed)
• Assembled in the USA (Missouri)
• 5-year manufacturer warranty

Fits select 2019-2026 GMC Sierra 1500 and 2026 Chevrolet Silverado 1500 models equipped with the 5ft 8in CarbonPro bed. This third-generation BAKFlip MX4 evolution features heavy-duty aluminum top panels reinforced with high-density polymer cores, offering a 22% increase in strength over previous iterations.

Designed for a flush-mount profile that sits inside the bed rails, the MX4 GEN 3 provides complete bed access by folding against the cab with protective rubber bumpers. Security is managed through a patented automatic latching system with re-engineered lock components for superior resistance to forced entry. The updated EPDM rubber perimeter seals and a 13% longer dual-action tailgate seal ensure maximum weather protection while allowing the tailgate to operate regardless of the cover's position.

• Manufacturer Part Number: 448135
• Heavy-duty aluminum panels with high-density polymer reinforcement
• Textured matte black finish is scratch and UV resistant
• 400 lbs. weight capacity (evenly distributed)
• Re-engineered perimeter seals and tight-fit clamps
• Click-in design reduces installation time by 12%
• Full 3rd brake light visibility when open
• Integrated water drainage system
• Assembled in the USA
• 5-year warranty

Fits 2020-2026 Chevrolet Silverado 2500 HD/3500 HD and GMC Sierra 2500 HD/3500 HD with 8ft beds.

The BAKFlip MX4 Gen 3 (MPN 448134) represents the evolution of the industry's most popular hard folding truck bed cover. This next-generation upgrade features heavy-duty aluminum top panels reinforced with high-density polymer cores, providing a 22 percent increase in overall strength compared to the original model. Designed to sit flush with your truck’s bed rails, the MX4 provides a sleek, low-profile appearance while maintaining a robust 400 lbs. weight capacity.

Security and weather resistance are paramount in the Gen 3 redesign. The patented auto-latching system now includes re-engineered lock components for superior protection against forced entry. For climate protection, revised EPDM rubber perimeter seals and tight-fit clamps work alongside a 13 percent longer dual-action tailgate seal to keep moisture out of the bed. The MX4 allows for 100 percent bed access by folding upright against the cab, secured by re-engineered prop rod clips and protected by premium rubber bumpers.

• Heavy-duty aluminum panels with polymer cores (22% stronger than Gen 1)
• Textured matte black finish on all surfaces for UV and scratch resistance
• 400 lbs. weight capacity (evenly distributed)
• Dual-action tailgate seal allows tailgate operation with cover open or closed
• Simple one-person installation with new 12% faster click-in design
• Integrated water drainage system with precision-engineered aluminum side rails
• Assembled in Missouri and backed by a 5-year warranty
• MPN: 448134

Fits 2020-2026 Chevrolet Silverado 2500/3500 HD and GMC Sierra 2500/3500 HD with the 6ft 9in bed.

The BAKFlip MX4 (GEN 3) represents the next evolution of the industry's most popular hard folding tonneau cover. Engineered with heavy-duty aluminum top panels reinforced by high-density polymer cores, this third-generation upgrade is 22 percent stronger than the original. Designed to sit flush with your truck's bed rails, the MX4 provides a low-profile aesthetic while maintaining maximum security through a re-engineered automatic latching system and enhanced lock components.

Weather protection is prioritized with revised EPDM rubber perimeter seals and a 13 percent longer dual-action tailgate seal that allows you to operate the tailgate regardless of the cover's position. When you need to transport oversized cargo, the panels fold upright against the cab, secured by prop rods to provide 100 percent bed access without obstructing the third brake light.

• Heavy-duty aluminum panels with polymer-reinforced cores for 400 lbs. weight capacity (evenly distributed)
• Premium matte black textured finish provides scratch and UV resistance
• Flush-mount design for a sleek, aerodynamic profile
• Revised EPDM rubber seals and tight-fit clamps for superior weather shedding
• Integrated water drainage system channels liquid out of the bed
• Drill-free installation with an all-new 12 percent faster click-in design
• Includes a 5-year manufacturer warranty
• Manufacturer Part Number: 448133

Fits select 2019-2026 Chevrolet Silverado 1500 and GMC Sierra 1500 models with a 6ft 6in bed.

The BAKFlip MX4 (GEN 3) is a premium hard folding truck bed cover engineered for maximum durability and a sleek, low-profile appearance. Constructed with heavy-duty aluminum top panels reinforced by a high-density polymer core, this next-generation cover is 22% stronger than previous versions. Its textured matte black finish is UV and scratch-resistant, providing a flush-mount look that practically disappears into your truck's profile.

Security and weather protection are significantly enhanced in this generation. The MX4 features a patented automatic latching system with re-engineered lock components for better resistance against forced entry. Revised EPDM rubber perimeter seals and tight-fit clamps minimize water intrusion, while an extra-long dual-action tailgate seal allows you to close the tailgate regardless of the cover's position. When you need full bed access, the panels fold upright against the cab, secured by prop rods and protected by premium rubber bumpers.

• Manufacturer Part Number: 448131
• Construction: Polymer-reinforced aluminum panels
• Weight Capacity: 400 lbs (evenly distributed)
• Finish: Textured matte black
• Installation: Click-in design for 12% faster setup compared to Gen 2
• Bed Access: 100% bed access with panels folded against the cab
• Safety: Maintains 3rd brake light visibility
• Warranty: 5-year manufacturer warranty
• Origin: Assembled in Missouri, USA

Fits select 2019-2026 Chevrolet Silverado 1500 and GMC Sierra 1500 models (including LTD/Limited) with a 5' 8" bed.

The BAKFlip MX4 (GEN 3) is the next evolution of the industry's most popular hard folding tonneau cover. Engineered for maximum durability and security, this latest generation features high-density polymer-reinforced aluminum top panels that are 22 percent stronger than the original design. The heavy-duty panels and side rails support up to 400 lbs of evenly distributed weight while maintaining a sleek, flush-mount profile that sits level with your truck's bed rails.

Weather protection is enhanced through revised EPDM rubber perimeter seals and a 13 percent longer dual-action tailgate seal that allows you to close the tailgate regardless of the cover's position. Security is handled by a patented automatic latching system with re-engineered components to resist forced entry. The textured matte black finish provides a premium look that is scratch and UV-resistant.

• Manufacturer Part Number: 448130
• 400 lbs. weight capacity (evenly distributed)
• High-density polymer-reinforced aluminum panels
• Textured matte black finish on all surfaces
• EPDM rubber perimeter seals for superior weather resistance
• Folds against the cab for 100% bed access with protective bumpers
• Integrated water drainage system with precision-engineered rails
• Simple, one-person installation with all-new click-in design
• Assembled in the USA and backed by a 5-year warranty

Fits select 2015-2024 Chevrolet Colorado and GMC Canyon models with a 5ft bed.

The BAKFlip MX4 (GEN 3) is a heavy-duty hard folding tonneau cover designed to provide maximum security and utility without sacrificing style. This third-generation upgrade features reinforced high-density polymer cores within heavy-duty aluminum top panels, resulting in a 22% increase in strength over previous models. The flush-mount design sits level with your bed rails for a clean, aerodynamic profile, finished in a premium textured matte black that resists UV damage and scratches.

Security is handled by BAK's patented auto-latching system and re-engineered lock components for superior resistance to forced entry. For weather protection, the MX4 utilizes revised EPDM rubber perimeter seals and a 13% longer dual-action tailgate seal that allows you to close the tailgate regardless of the cover's position. When you need full bed access, the panels fold up against the cab, secured by prop rods to keep your cargo space clear.

• Part Number: 448126
• Construction: Aluminum panels with high-density polymer cores
• Load Rating: 400 lbs. (evenly distributed)
• Finish: Textured matte black
• Installation: Clamp-on design with no drilling required
• Accessibility: Folds against the cab for 100% bed access
• Features: Dual-action tailgate seal and integrated water drainage system
• Origin: Assembled in Missouri
• Warranty: 5-year manufacturer warranty

Fits 2014-2020 Chevrolet Silverado and GMC Sierra 1500, 2500 HD, and 3500 HD models with an 8ft bed.

The BAKFlip MX4 Gen 3 represents the next evolution of the industry's most popular hard folding truck bed cover. Re-engineered for maximum durability and security, this low-profile cover features heavy-duty aluminum panels reinforced with high-density polymer cores, making it 22% stronger than previous models. The sleek, textured matte black finish is designed to resist UV damage and scratches while maintaining a flush fit with your pickup's bed rails.

Functionality is at the core of the MX4 design. It provides 100% bed access by folding upright against the cab, secured by re-engineered prop rod clips. Weather protection is significantly enhanced with revised EPDM rubber perimeter seals and a 13% longer dual-action tailgate seal that allows you to close the tailgate regardless of the cover's position. Installation is faster than ever thanks to a new click-in design, and the integrated water drainage system keeps your cargo dry in any conditions.

• Heavy-duty aluminum panels with high-density polymer cores (22% stronger than original MX4)
• Patented automatic latching system with re-engineered lock components for improved security
• Textured matte black finish across all surfaces for a premium look and feel
• 100% bed access with 3rd brake light visibility in all positions
• Enhanced weather protection with EPDM seals and 13% longer dual-action tailgate seal
• Load rating of 400 lbs. (evenly distributed)
• 12% quicker installation with click-in design and precision-fit clamps
• Assembled in the USA (Missouri)

• Brand: BAK
• Series: BAKFlip MX4 (Gen 3)
• Part Number: 448122
• Bed Length: 8 Feet
• Finish: Textured Matte Black
• Warranty: 5 Years

Fits 2014-2020 Chevrolet Silverado and GMC Sierra 1500, 2500 HD, and 3500 HD models with a 6' 6" bed (including 1500 LD and 1500 Limited).

The BAKFlip MX4 (Gen 3) is an evolution of the industry-leading hard folding tonneau cover, re-engineered for increased durability and security. Constructed with heavy-duty aluminum top panels reinforced by high-density polymer cores, the MX4 is 22% stronger than previous models. Its sleek, flush-mount design sits level with your truck's bed rails, finished in a scratch-resistant, textured matte black for a premium appearance.

• 400 lbs. weight capacity (evenly distributed)
• High-density polymer-reinforced aluminum panels for maximum impact resistance
• Re-engineered automatic latching system for improved security against forced entry
• Revised EPDM rubber perimeter seals and tight-fit clamps for superior weather protection
• Extra-long dual-action tailgate seal allows for tailgate operation whether the cover is open or closed
• Folds 100% open against the cab with protective rubber bumpers and secure prop rods
• Integrated water drainage system channels moisture away from the bed
• Simple no-drill installation with all-new click-in rail design
• Manufacturer Part Number: 448121
• Assembled in the USA with a 5-year warranty

Fits select 2014-2020 Chevrolet Silverado 1500 and GMC Sierra 1500 with a 5ft 8in bed.

The BAKFlip MX4 (Gen 3) is a heavy-duty hard folding tonneau cover designed to blend high-end aesthetics with rugged utility. Featuring heavy-duty aluminum top panels reinforced with high-density polymer cores, this third-generation upgrade is 22% stronger than the original model. The sleek, low-profile design sits flush with your truck's bed rails, while the textured matte black finish provides superior scratch and UV resistance.

This cover is engineered for convenience and security. The patented auto-latching system allows you to secure the bed simply by closing the panels. For full bed access, the MX4 folds completely forward against the cab, secured by re-engineered prop rod clips. Weather protection is handled by revised EPDM rubber perimeter seals and a 13% longer dual-action tailgate seal that allows you to operate the tailgate regardless of whether the cover is open or closed.

• Heavy-duty aluminum panels with high-density polymer cores for 400 lbs. weight capacity
• Flush-mount, low-profile design with premium textured matte black finish
• Re-engineered automatic latching system for enhanced security
• 13% longer dual-action tailgate seal and EPDM rubber seals for weather protection
• Integrated water drainage system and prop rod storage clips
• 5-year manufacturer warranty
• Manufacturer Part Number: 448120
• Assembled in the USA

Fits 1988-2014 Chevrolet Silverado and GMC Sierra 1500, 2500, and 3500 HD models with a 6' 6" bed.

The BAKFlip MX4 (Gen 3) is the next evolution of the industry's most popular hard folding tonneau cover. Engineered with heavy-duty aluminum top panels reinforced by high-density polymer cores, this third-generation upgrade provides a 22 percent increase in overall panel strength compared to previous models. The MX4 sits flush with your truck's bed rails, offering a sleek, low-profile appearance while maintaining a robust 400-pound weight capacity.

For superior weather protection, the MX4 features revised EPDM rubber perimeter seals and tight-fit clamps designed to minimize water intrusion. The updated dual-action tailgate seal is 13 percent longer than previous iterations, allowing the tailgate to be closed with the cover either open or shut. Security is handled by a re-engineered automatic latching system that secures each panel as it is closed, while upgraded lock components provide enhanced resistance to forced entry.

• Premium textured matte black finish on all surfaces
• Heavy-duty aluminum construction with high-density polymer cores
• Supports up to 400 lbs. of evenly distributed weight
• Folds against the cab for 100% bed access with updated prop rod clips
• Revised EPDM rubber perimeter seals for superior weather resistance
• Dual-action tailgate seal enables factory tailgate operation in any position
• Simple, one-person installation with a new click-in design
• Assembled in Missouri, USA
• Manufacturer Part Number: 448101
• 5-year warranty

The best-selling truck bed cover in the world just got better.Introducing the new and improved RealTruck BAKFlip® MX4 (GEN 3)—an evolution of RealTruck's most popular tonneau cover. This next-generation upgrade builds on everything truck owners already love about MX4, now enhanced with improved functionality, greater durability, and elevated security.The new and improved BAKFlip MX4 is constructed primarily from alloy materials, including heavy-duty aluminum top panels and side rails. Reinforced with high-density polymer cores, each panel delivers a 22 percent increase in overall strength compared to the original model.Security is also enhanced. In addition to BAK's patented auto-latching system, which automatically secures the cover when closed, the BAKFlip MX4 (GEN 3) features re-engineered lock components for improved resistance to forced entry compared to the GEN 2. No matter the cargo you're transporting, you can rest assured knowing your gear's protected.When the weather turns, the BAKFlip MX4 (GEN 3) holds strong. Revised EPDM rubber perimeter seals and tight-fit clamps provide our best seal yet, preventing seepage between the bed cover and bed rails. At the rear of the cover, a 13 percent longer dual-action tailgate seal provides weather protection for the tailgate. This innovative design also improves operation, maintaining factory tailgate functionality regardless of the cover's position.The BAKFlip MX4 isn't only durable, it's also sleek and stylish. Unlike competitors, the BAKFlip MX4 sits flush with your pickup's bed rails, practically disappearing into your truck's profile. And with a sleek, textured matte black finish across all surfaces, the MX4 looks great whether open or closed.

• High-density polymer-reinforced aluminum top panels are 22 percent stronger than the original MX4
• Re-engineered automatic latching panels offer improved security over the GEN 2 design
• Re-engineered perimeter seals and tight-fit clamps for superior weather protection
• Premium rubber bumpers protect the cab when folded into the upright position
• Extra-long, dual-action tailgate seal available on most applications
• Extra Long Dual Action Tailgate Seal Available On Most Applications
• 12 percent quicker installation with all-new click-in design
• 12 Percent Quicker Installation With All New Click In Design
• Comprehensive 3rd brake light visibility in all positions
• Striking textured black finish across all components
• Precision-engineered aluminum side rails and frame
• Precision Engineered Aluminum Side Rails And Frame
• Folds against the cab for 100 percent bed access
• Re-engineered prop rod clips for a secure hold
• Re Engineered Prop Rod Clips For A Secure Hold
• 400 lbs. weight capacity (evenly distributed)
• Integrated Water Drainage System
• Simple one-person installation
• 400 Lbs Weight Capacity
• Assembled in Missouri
• 5-year warranty
• 5 Year Warranty

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