Fits select 2007-2017 Jeep Wrangler and Wrangler Unlimited models (Rubicon, Sahara, Sport, X, 70th/75th Anniversary) equipped with a Dana 44 rear differential.

The Yukon Gear Master Overhaul Kit (YK D44-JK-STD) is a comprehensive solution for professional differential service or gear installation. This kit is engineered to provide every component required to rebuild your rear axle housing, eliminating the need to source individual pieces. Yukon uses premium Timken bearings and races to ensure optimal rotational smoothness and longevity under the stress of off-road use or high-mileage commuting.

Every kit is the result of extensive application research, ensuring that all shims, seals, and fasteners meet the specific tolerances of the JK-generation Dana 44 housing. This ensures proper pinion depth and carrier backlash can be set accurately during assembly.

• Premium Timken carrier and pinion bearings and races
• High-quality pinion seal and new pinion nut
• Complete shim kit for precision adjustment
• New ring gear bolts and crush sleeve
• Oil baffles and slingers included
• Installation essentials: thread locker, marking compound with applicator brush, and differential gasket
• Manufacturer Part Number: YK D44-JK-STD

Fits 2007-2017 Jeep Wrangler and Wrangler Unlimited JK models with the Dana Spicer 44 Rubicon rear differential.

The Yukon Gear Master Overhaul Kit (MPN YK D44-JK-RUB) provides every component required for a professional-grade differential rebuild or gear ratio change. This kit is specifically engineered for the 2007-2017 JK Rubicon rear housing, ensuring all tolerances and fitments match factory specifications. At the core of this kit are premium Timken bearings and races, recognized for their superior longevity and heat dissipation compared to standard OE replacements.

Yukon performs extensive application research to ensure this kit is the most comprehensive on the market, eliminating the need to source individual small parts mid-installation. This complete package includes high-quality seals and a precision shim kit to help you achieve the perfect tooth contact pattern and pinion depth.

• Timken carrier bearings and races
• Timken pinion bearings and races
• Pinion seal and pinion nut
• Complete shim kit and crush sleeve
• Ring gear bolts and gasket
• Oil baffles and slingers
• Thread locker, marking compound, and applicator brush

Fits 2007-2017 Jeep Wrangler and Wrangler Unlimited models (JK) equipped with the Dana Spicer 44 reverse rotation front differential.

The Yukon Gear Master Overhaul Kit is a professional-grade solution for a complete differential rebuild or gear ratio change. Designed specifically for the JK Rubicon and related reverse rotation Dana 44 front axles, this kit eliminates the guesswork by providing every component required for a high-tolerance installation. Yukon utilizes premium Timken bearings and races to ensure optimal preload and long-term durability under heavy trail use.

• Timken Bearings: Includes industry-standard Timken bearings and races for the carrier and pinion.
• Comprehensive Hardware: Features a complete shim kit, ring gear bolts, and a new crush sleeve for precise mesh adjustment.
• Critical Seals: Includes high-quality pinion and axle seals to prevent fluid leaks and contaminant ingress.
• Installation Supplies: Ships with thread locker, marking compound with brush, and a gasket for a clean, leak-free finish.
• MPN: YK D44-JK-REV-RUB

Kit Includes: Carrier bearings and races, pinion bearings and races, pinion seal, axle seals, complete shim kit, ring gear bolts, pinion nut, crush sleeve, oil baffles and slingers, thread locker, marking compound, brush, and gasket.

The Yukon Gear Master Overhaul Kit (YK D44) is a comprehensive solution for rebuilding or re-gearing a Dana 44 standard rotation front differential. This kit is engineered to provide every component necessary for a professional-grade installation, utilizing premium Timken bearings and races to ensure long-term durability and precise gear mesh. By replacing worn OE components with this all-inclusive set, you restore the reliability and performance of your front drivetrain.

Fits select 1960-2002 Chevrolet, Dodge, Ford, GMC, International, and Jeep vehicles equipped with a 30-spline Dana 44 front axle.

• Timken carrier bearings and races
• Timken pinion bearings and races
• Pinion seal and axle seals
• Complete shim kit for precise depth and backlash adjustment
• Ring gear bolts and pinion nut
• Oil baffles and slingers
• Thread locker, marking compound with brush, and gasket
• Manufacturer Part Number: YK D44

Fits 2018-2024 Jeep Wrangler Sahara, Sport, Sport S, and Unlimited variants with the Dana 35 200mm rear differential.

The Yukon Gear Master Overhaul Kit provides every component required for a professional-grade differential service or gear installation. This kit eliminates the guesswork of sourcing individual components by providing application-specific hardware and premium bearings tailored for the Jeep Wrangler JL rear axle. At the core of the kit are Timken bearings and races, recognized as the industry standard for durability and reduced friction in high-load driveline environments.

Yukon includes meticulously engineered shim stacks and super shims, allowing for precise backlash and pinion depth adjustments. These components ensure proper gear tooth contact and quiet operation. Every kit is assembled following extensive research to confirm exact fitment and contains high-quality seals and small parts to restore your rear end to factory-plus specifications.

• Fits Dana 35 200mm Rear Differential
• Premium Timken bearings and races for extended service life
• Comprehensive shim kit including super shims for precise setup
• Includes all necessary seals and mounting hardware
• Manufacturer Part Number: YK D35JL-REAR

Fits 1996-2006 Jeep Cherokee, Grand Cherokee, and Wrangler models equipped with a standard rotation Dana 30 short pinion front differential.

The Yukon Gear Master Overhaul Kit (YK D30-TJ) provides all the necessary high-quality components to perform a professional differential rebuild or gear installation. This kit is built around premium Timken bearings and races, ensuring long-term durability and proper tolerances within your front axle housing. Yukon Gear conducts extensive research to ensure every kit is comprehensive, eliminating the need to source individual hardware mid-installation.

This is the most complete overhaul solution available, specifically designed to handle the load requirements of the Dana 30 front axle. Whether you are replacing worn factory components or upgrading your gear ratio, this kit includes everything from the precision shim kit to the marking compound required for setting a proper contact pattern.

• Carrier bearings and races (Timken)
• Pinion bearings and races (Timken)
• Pinion seal and axle seals
• Complete shim kit
• Ring gear bolts and pinion nut
• Crush sleeve, oil baffles, and slingers
• Thread locker, marking compound with brush, and gasket
• Manufacturer Part Number: YK D30-TJ

Fits 2007-2017 Jeep Wrangler and Wrangler Unlimited (JK) models equipped with Dana 30 reverse rotation front differentials.

The Yukon Gear Master Overhaul Kit is a comprehensive solution designed for complete differential rebuilds or gear ratio changes. This kit replaces worn factory components with premium hardware, centered around high-performance Timken bearings and races to ensure precise tolerances and long-term reliability. Every component in the YK D30-JK kit is selected to provide a complete installation experience, eliminating the need to source individual small parts or seals mid-job.

• Includes premium Timken bearings and races for superior durability
• Comprehensive hardware set for professional-grade installation
• Designed specifically for Dana 30 reverse rotation JK applications
• Manufacturer Part Number: YK D30-JK

Kit Includes: Carrier bearings and races, pinion bearings and races, pinion seal, axle seals, complete shim kit, ring gear bolts, pinion nut, crush sleeve, oil baffles and slingers, thread locker, marking compound with brush, and gasket.

Fits select 2011-2020 Ram 1500 and Ram 1500 Classic models with the Chrysler 9.25-inch ZF rear axle.

The Yukon Gear & Axle Master Overhaul Kit (MPN: YK C9.25ZF) is a professional-grade solution for a complete differential rebuild or gear ratio change. Yukon conducts extensive research to ensure these kits are the most comprehensive on the market, providing every component required to finish the job without interruption. This kit features premium Timken bearings and races, known for meeting strict OE tolerances and delivering long-term reliability under heavy loads.

• Premium Timken carrier bearings and races
• Pinion bearings and races
• High-quality pinion seal and axle gasket
• Complete shim kit for precise pinion depth and backlash adjustment
• Essential hardware: ring gear bolts, pinion nut, and crush sleeve
• Installation supplies: thread locker, marking compound, and applicator brush

Whether you are addressing bearing noise or installing a new ring and pinion set, this kit provides the high-quality seals and small parts needed for a professional, leak-free installation on Chrysler 9.25" ZF rear ends.

Fits select 2001-2010 Chrysler Aspen, Dodge Dakota, Durango, Ram 1500, Ram Van, and Mitsubishi Raider with the Chrysler 9.25" rear differential.

The Yukon Gear Master Overhaul Kit is a professional-grade solution for a complete differential rebuild or ring and pinion installation. This kit (MPN: YK C9.25-R-B) centers on premium Timken bearings and races, the industry standard for durability and precise tolerances under heavy axial and radial loads. By providing all necessary hardware in a single package, Yukon eliminates the downtime associated with sourcing individual small parts for your 9.25" rear end.

• Premium Timken carrier bearings and races
• Premium Timken pinion bearings and races
• High-quality pinion seal and gasket/silicone
• Complete shim kit for precise pinion depth and carrier backlash adjustment
• New ring gear bolts, pinion nut, and crush sleeve
• Installation essentials: thread locker, marking compound, and applicator brush

Fits select 2003-2018 Dodge and Ram 1500, 2500, and 3500 trucks equipped with the Chrysler 9.25-inch front differential.

The Yukon Gear Master Overhaul Kit (YK C9.25-F) is the most comprehensive solution for a professional differential rebuild. Yukon performs extensive application research to ensure every necessary component is included, eliminating the guesswork of sourcing individual parts. This kit features premium Timken bearings and races, which are the industry standard for maintaining strict tolerances and long-term reliability under heavy load.

• Premium Timken carrier bearings and races
• Timken pinion bearings and races
• Pinion seal and axle seals
• Complete shim kit for precise ring and pinion setup
• Ring gear bolts and pinion nut
• Crush sleeve, oil baffles, and slingers
• Installation essentials: thread locker, marking compound with brush, and silicone

Fits select 2018-2026 Chevrolet Silverado 2500 HD/3500 HD, GMC Sierra 2500 HD/3500 HD, and Ram 2500/3500 with the AAM 11.5" rear differential.

The Yukon Gear Master Overhaul Kit is the most comprehensive solution for a professional differential rebuild or gear installation. Engineered to provide all the necessary components in a single package, this kit eliminates the guesswork and downtime of sourcing individual parts. Featuring premium Timken and Koyo bearings and races, this kit ensures proper tolerances and long-term durability under heavy-duty towing and hauling conditions.

• Technical Note: Head bearing measures 2.267 in. inside diameter.
• Premium Components: Includes Timken/Koyo bearings and races for superior load-carrying capacity.
• Complete Installation Hardware: Comes with a comprehensive shim kit, pinion seal, and ring gear bolts to achieve the perfect gear pattern and preload.
• Included in Kit: Carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve, thread locker, marking compound with brush, and gasket.
• Manufacturer Part Number: YK AAM11.5-E

Fits select 1972-2002 Cadillac, Chevrolet, and GMC vehicles with the GM 8.5-inch rear differential using 5/16-inch cover bolts.

The Yukon Gear Hardcore Differential Cover is engineered to protect your lockers, gears, and axles from heavy impacts during extreme off-road use. Cast from thick-walled nodular iron, this cover (MPN: YHCC-GM8.5-S) significantly increases the structural rigidity of the differential housing. This added strength reduces deflection during high-torque situations, ensuring internal components stay aligned under severe loads.

Beyond impact protection, the internal geometry is designed with contoured surfaces that aid in rapid oil circulation for more efficient cooling. This bolt-on upgrade features a durable black powder coat finish and comes complete with high-strength steel fasteners for a reliable installation.

• Manufactured from high-strength nodular iron for maximum impact resistance
• Contoured inner surfaces circulate gear oil rapidly for improved cooling
• Thick-walled construction promotes housing rigidity and reduces deflection
• Durable black powder coat finish with a contrasting stainless-steel accent plate
• Compatible with both standard and reverse rotation GM 8.5-inch differentials
• Includes high-strength steel 5/16-inch fasteners
• Part Number: YHCC-GM8.5-S

Fits select 1999-2019 Cadillac Escalade, Chevrolet Silverado/Suburban/Tahoe, and GMC Sierra/Yukon with GM 8.5 or 8.6-inch rear differentials.

Protect your drivetrain from impact and housing deflection with the Yukon Hardcore differential cover. Engineered from thick-walled nodular iron, this cover provides significantly more protection than factory stamped-steel units. The increased structural rigidity helps minimize gear deflection under high-torque loads, preserving the life of your lockers, ring and pinion sets, and bearings. The interior is specifically contoured to improve oil circulation and heat dissipation during heavy use.

• Nodular iron construction for maximum impact resistance and housing rigidity
• Black powder coat finish for superior corrosion protection
• Contoured internal surfaces to optimize oil flow and cooling
• Includes high-strength 8mm steel fasteners and a stainless-steel accent plate
• Compatible with both standard and reverse rotation differentials
• Fits GM 8.5" and 8.6" ring gear applications
• Manufacturer Part Number: YHCC-GM8.5-M

Fits select 1973-2000 Chevrolet and GMC C20, C30, K20, K30, 2500, and 3500 series trucks and SUVs.

The Yukon Gear Hardcore Diff Cover (YHCC-GM14T-S) is engineered to provide superior protection for 14-bolt GM rear differentials. Cast from thick-walled nodular iron, this cover is designed to withstand extreme impacts that would crush or puncture a factory steel cover, shielding your gears, lockers, and axles from trail damage. The high-strength construction also increases the structural rigidity of the differential housing, reducing deflection during high-torque situations to help maintain precise gear alignment.

• High-strength nodular iron construction for maximum impact resistance
• Thick-walled design promotes housing rigidity and reduces internal component stress
• Contoured inner surfaces facilitate rapid oil circulation for improved thermal management
• Durable black powder coat finish with a contrasting stainless-steel accent plate
• Complete with high-strength 3/8-inch steel fasteners for a direct bolt-on installation
• Compatible with both standard and reverse rotation 14-bolt GM differentials
• Manufacturer Part Number: YHCC-GM14T-S

Fits select 2000-2019 Chevrolet and GMC Avalanche, Silverado, Sierra, Suburban, and Yukon models with the GM 14-bolt rear differential using 8mm cover bolts.

The Yukon Gear Hardcore Diff Cover (YHCC-GM14T-M) is engineered to provide maximum protection for your lockers, gears, and axles against extreme off-road impacts. Constructed from thick-walled, high-strength nodular steel, this cover increases the structural rigidity of the differential housing. This added stiffness reduces housing deflection under high-torque loads, helping to maintain gear alignment and prevent premature wear on internal components.

• Thick-walled nodular iron construction for superior impact resistance and housing rigidity.
• Contoured inner surfaces facilitate rapid oil circulation for improved cooling.
• Durable black powder coat finish with a contrasting stainless-steel accent plate.
• Includes high-strength 8mm steel fasteners for a direct bolt-on installation.
• Fits both standard and reverse rotation differential configurations.
• Manufacturer Part Number: YHCC-GM14T-M

Fits select 1997-2017 Ford F-150, F-250, E-150, E-250, Expedition, Transit-150/250/350, and Lincoln Navigator with 9.75-inch rear differentials.

Yukon Hardcore Differential Covers are engineered to provide maximum protection for your lockers, gears, and axles during extreme off-road use. Cast from high-strength, thick-walled nodular iron, this cover shields vital internal components from impact damage while significantly increasing the structural rigidity of the differential housing. This added stiffness reduces housing deflection under high-torque loads, ensuring better gear alignment and longevity. The contoured internal surfaces are specifically designed to circulate gear oil more efficiently, promoting faster cooling during heavy-duty operation.

• Thick-walled nodular iron construction for superior impact resistance
• Black powder coat finish for long-lasting corrosion protection
• Contoured interior surfaces optimize oil circulation and cooling
• Includes high-strength steel fasteners for a secure bolt-on installation
• Features a contrasting stainless-steel accent plate and hardware
• Manufacturer Part Number: YHCC-F9.75

Fits 1980-2014 Ford Bronco, F-150, Mustang, Explorer, Ranger, Crown Victoria, and select Lincoln models with the 8.8-inch rear differential.

The Yukon Hardcore Differential Cover is engineered to protect your lockers, gear sets, and axle shafts from severe impact during off-road use. Cast from high-strength nodular iron, this thick-walled cover increases the structural rigidity of the differential housing. This added stiffness reduces housing deflection under high-torque loads, which helps maintain proper gear mesh and protects vital internal components from premature wear.

• Thick-walled nodular iron construction for maximum impact resistance and housing rigidity
• Contoured internal surfaces facilitate rapid oil circulation for improved cooling efficiency
• Durable black powder coat finish with a contrasting stainless-steel accent plate
• Compatible with both standard and reverse rotation Ford 8.8-inch differentials
• Direct bolt-on installation with included high-strength steel fasteners
• Manufacturer Part Number: YHCC-F8.8