Fits 2020-2025 Chevrolet Silverado and GMC Sierra 2500/3500 HD (6.6L L5P Duramax).

Upgrade your engine bay and eliminate the unreliable factory plastic reservoir with the WCFab Fabricated Aluminum Coolant Tank Kit. Engineered to bolt directly into the OEM coolant tank location, this kit replaces the original clear plastic reservoir with a durable, custom powder-coated aluminum unit. It features an integrated sight glass, allowing for quick and accurate fluid level checks without needing to open the system.

This kit is a complete bolt-on solution for stock or modified trucks, requiring no additional modifications. It includes a premium CNC machined billet aluminum cap with a black anodized finish, a new low coolant level sensor, and all necessary mounting hardware for a clean, professional installation using factory mounting points.

• Fabricated aluminum construction for superior heat resistance and durability
• Integrated coolant level sight glass for easy monitoring
• Includes black anodized CNC machined billet aluminum cap
• Custom WCFab Red powder coat finish
• Complete with low coolant level sensor, overflow hose, and mounting hardware
• Replaces GM Part Numbers: 23394082, 84622147
• Supersedes WCF100679
• Manufacturer Part Number: WCF100268-RED

Fits select 1999-2023 GM vehicles including Chevrolet Silverado and GMC Sierra 1500, 2500 HD, 3500 HD, Suburban, Tahoe, Yukon, Cadillac Escalade, and Hummer H2.

The factory plastic heater core firewall fitting is a notorious failure point on GM trucks and SUVs, often becoming brittle and cracking due to constant heat cycles and engine vibration. This Wehrli Custom Fabrication (WCF) billet aluminum fitting provides a permanent, professional-grade solution. This direct-fit upgrade replaces the fragile OEM plastic component with a precision-machined part designed to handle high cooling system pressures without the risk of sudden failure.

Each fitting is CNC-machined from high-grade aluminum and features a 5/8" hose barb and a double O-ring seal to ensure a positive, leak-free connection at the firewall. The clear anodized finish adds an extra layer of protection against corrosion, making it an essential cooling system upgrade for both Duramax diesel and gasoline GM engines.

• Manufacturer Part Number: WCF100155
• Replaces GM/AC Delco Part Number: 15032062
• Material: CNC-machined billet aluminum
• Finish: Clear anodized for superior corrosion resistance
• Connection: 5/8" hose barb
• Sealing: Double O-ring design for maximum leak protection
• Installation: Easy direct-fit replacement for the factory plastic fitting
• Origin: Made in the USA

Fits select 2024-2026 Toyota Tacoma, 4Runner, and Land Cruiser.

Replace the failure-prone factory plastic expansion tank with the Mishimoto Aluminum Expansion Tank. While stock plastic units are susceptible to fatigue and cracking from heat cycles and off-road vibration, this fully aluminum design features durable TIG welds for long-term reliability in harsh conditions. Internal baffles keep coolant near the overflow port during aggressive driving or steep inclines, preventing air from entering the cooling system.

This tank features a sleek black powdercoat finish and an integrated sight glass for instant fluid level checks without removing the cap. The kit includes a 1.3 Bar high-pressure radiator cap to optimize cooling efficiency and comes with all necessary hardware for a direct-fit, DIY-friendly installation.

• Direct-fit for 2024-2026 Toyota Tacoma, 4Runner, and Land Cruiser
• Full aluminum construction with precision TIG welds
• Internal baffles prevent sloshing and air ingestion
• Integrated sight glass for quick fluid level inspection
• Includes 1.3 Bar high-pressure radiator cap
• Black powdercoat finish for engine bay aesthetics
• Installation time approximately 1 hour
• Backed by the Mishimoto Lifetime Warranty
• Manufacturer Part Number: MMRT-TAC-24BK

Fits select 2006-2013 Porsche 911 (997.1 / 997.2) Turbo, GT2, and GT2RS models.

The Torque Solution Engine Coolant Pipe Kit (TS-POR-871) addresses one of the most critical weak points in the Porsche 997 cooling system. The factory coolant pipes are originally held in place with adhesive that can fail over time due to heat cycling and pressure, leading to catastrophic coolant loss. This kit is designed to replace those vulnerable fittings with a permanent solution for both street and track-driven vehicles.

• Replaces failure-prone factory glued-in coolant fittings
• Precision CNC machined from high-grade billet aluminum
• Engineered for a precise fit within the engine housings
• Essential reliability upgrade for high-horsepower and track-used Mezger engines
• Manufacturer Part Number: TS-POR-871

Fits 2017-2019 Chevrolet Silverado and GMC Sierra 2500 HD / 3500 HD (6.6L L5P Duramax).

Upgrade your engine bay's reliability and aesthetics with the WCFab fabricated aluminum coolant tank kit. The factory plastic reservoirs on L5P Duramax trucks are prone to yellowing and clouding over time. More critically, the OE sensors are non-replaceable; when the sensor fails, it triggers a false low-coolant warning that requires the replacement of the entire tank assembly. Wehrli Custom Fab solves this with a durable aluminum design featuring a high-quality, cost-effective float-type sensor that is easily serviceable for the life of the vehicle.

This kit mounts directly into the OEM location using provided hardware and includes a billet aluminum sight glass for quick fluid level checks. Each tank is finished in a durable Bengal Red powder coat and topped with a black anodized billet aluminum cap. Made in the USA, this kit is the definitive fix for common cooling system headaches.

• Manufacturer Part Number: WCF100433-BR
• Fabricated aluminum construction with Bengal Red powder coat finish
• Serviceable low coolant level sensor eliminates permanent sensor failure issues
• Integrated billet aluminum coolant level sight glass
• Includes black anodized billet aluminum cap and overflow hose
• Direct replacement for GM part numbers: 84257137, 84214124, 84138913, 84174037
• Made in the USA

Designed for select GM vehicles, the Wehrli Custom Fabrication Billet Heater Core Fitting Kit (WCF100699) provides a robust solution to the common failure point of brittle, leak-prone plastic OEM heater core connectors.

This kit features a precision-machined billet aluminum quick-connect fitting that utilizes a wire retainer clip for secure, tool-free installation and removal. The internal serviceable O-ring seals ensure a leak-proof connection when installed with appropriate lubricant. Included is a preformed 1/2-inch universal heater hose assembly, engineered to maintain its shape and provide reliable coolant flow in demanding engine bay environments.

• Precision billet aluminum construction replaces fragile plastic factory fittings
• Preformed universal 1/2-inch heater hose assembly included
• Serviceable internal O-ring seals for long-term reliability
• Wire retainer clip allows for easy removal and installation without special tools
• Manufacturer Part Number: WCF100699

Fits select 2011-2016 Chevrolet Silverado and GMC Sierra 2500 HD/3500 HD models (6.6L).

The Wehrli Custom Fabrication (WCFab) OEM Placement Coolant Tank Kit provides a durable and aesthetically superior alternative to the fragile, factory-installed plastic reservoir. Engineered as a direct bolt-on replacement, this kit mounts to the factory locations using OEM mounting points, requiring no modifications to your truck. The fabricated aluminum construction eliminates the risk of cracks and leaks common with aged plastic units while the sight glass allows for immediate fluid level verification.

This kit is finished in a durable WCFab Red powder coat and features a black anodized CNC-machined billet aluminum cap. For full functionality, WCFab includes a new low coolant level sensor and overflow hose, ensuring a complete, professional installation that integrates perfectly with your Duramax engine bay.

• Fabricated aluminum construction for maximum durability
• Durable WCFab Red powder coat finish
• Integrated coolant level sight glass
• Black anodized CNC-machined billet aluminum cap
• Includes low coolant level sensor and overflow hose
• Installs in factory location with basic hand tools
• Replaces GM part numbers: 22866587, 22769155, 22810003, 25869265, 22820166, 22957038, 23106015
• Manufacturer Part Number: WCF100647-RED

Fits select 2011-2016 Chevrolet Silverado and GMC Sierra 2500/3500 HD models (6.6L LML Duramax).

Replace the factory clear plastic coolant reservoir that is prone to yellowing and cracking with this Wehrli Custom Fabrication (WCFab) OEM Placement Coolant Tank Kit. Built from durable fabricated aluminum, this tank is a direct bolt-on upgrade that mounts to factory locations using basic hand tools. Finished in a high-gloss white powder coat, it provides a significant engine bay aesthetic upgrade while maintaining the utility of a built-in coolant level sight glass.

This comprehensive kit includes a black anodized CNC machined billet aluminum cap, a pre-installed low coolant level sensor, and all necessary hardware for a seamless installation on stock trucks. It is designed to be fully compatible with the 6.6L Duramax LML cooling system and requires no permanent modifications to the vehicle.

• Fabricated aluminum construction with Gloss White powder coat finish
• Integrated coolant level sight glass for easy fluid checks
• Black anodized billet aluminum cap and overflow hose included
• Pre-installed low coolant level sensor prevents dash warnings
• Direct replacement for GM part numbers: 22866587, 22769155, 22810003, 25869265, 22820166, 22957038, 23106015
• Manufacturer Part Number: WCF100647-GW

Fits 2011-2016 Chevrolet Silverado and GMC Sierra 2500 HD/3500 HD models equipped with the 6.6L LML Duramax diesel engine.

The Wehrli Custom Fabrication (WCFab) OEM Placement Coolant Tank Kit replaces the fragile, discolored factory plastic reservoir with a heavy-duty fabricated aluminum unit. Designed to bolt directly to the factory mounting points, this kit cleans up the engine bay while providing superior durability against the heat and pressure cycles of the cooling system. Each tank features a built-in sight glass for quick fluid level inspections and a custom powder-coated Gloss Black finish.

• Fabricated Aluminum Construction: TIG-welded for maximum strength and a precision fit.
• Complete Solution: Includes a black anodized CNC-machined billet aluminum cap, low coolant level sensor, and overflow hose.
• Installation: Direct bolt-on replacement; uses basic hand tools and factory mounting locations.
• Finish: Durable Gloss Black powder coat for a professional, long-lasting look.

• Manufacturer Part Number: WCF100647-GB
• Replaces OE GM Part Numbers: 22866587, 22769155, 22810003, 25869265, 22820166, 22957038, 23106015
• Included Hardware: Sight glass, low coolant sensor, billet cap, overflow hose, and mounting hardware

Fits 2013-2018 Ram 2500 and 3500 (6.7L Cummins) models.

Replace the failure-prone factory plastic reservoir with the Wehrli Custom Fabrication (WCFab) OEM Placement Coolant Tank Kit. This fabricated aluminum tank is designed to bolt directly into the factory mounting location using basic hand tools, offering a significant upgrade in both durability and engine bay aesthetics. Finished in a custom WCFab Red two-stage powder coat, this kit includes a CNC-machined black anodized billet aluminum cap and a built-in sight glass for quick coolant level checks.

Engineered for versatility, this tank is compatible with stock or drop-in turbochargers and is specially shaped to provide necessary clearance for larger aftermarket or compound turbocharger configurations. The kit includes a pre-installed low coolant sensor and all necessary mounting hardware for a seamless installation.

• Fabricated aluminum construction for superior durability
• Two-stage WCFab Red powder coat finish
• Black anodized CNC-machined billet aluminum cap
• Integrated coolant level sight glass
• Includes low coolant sensor and overflow hose
• Mounts to factory location with included hardware
• Manufacturer Part Number: WCF100628-RED

Fits 2013-2018 Ram 2500 and 3500 (6.7L Cummins).

Replace the factory plastic reservoir with the Wehrli Fabricated Aluminum Coolant Tank Kit. This heavy-duty upgrade eliminates the brittle clear plastic OE tank that is prone to cracking and discoloration over time. Engineered for direct OEM placement, this tank bolts to factory mounting points and is compatible with stock trucks, drop-in turbos, or larger aftermarket and compound turbocharger configurations.

Finished in a durable Gloss Black powder coat, this kit includes a high-quality sight glass for quick fluid level checks and a CNC-machined black anodized billet aluminum cap. The kit is designed for a straightforward installation using basic hand tools and includes all necessary mounting hardware, an overflow hose, and a new low coolant sensor to ensure seamless integration with your Ram's monitoring system.

• Direct replacement for plastic OEM coolant reservoir
• Durable fabricated aluminum construction
• Gloss Black single-stage powder coat finish
• Integrated sight glass for easy level monitoring
• Includes black anodized CNC machined billet aluminum cap
• Compatible with stock, drop-in, and compound turbo setups
• Includes low coolant sensor and overflow hose
• Uses factory mounting points for easy installation
• Manufacturer Part Number: WCF100628-GB

Fits 2013-2018 Ram 2500 and 3500 (6.7L Cummins) trucks across all trim levels including Laramie, Tradesman, and SLT.

Replace the factory clear plastic reservoir in your engine bay with this Wehrli Custom Fabrication (WCFab) OEM Placement Coolant Tank Kit. This fabricated aluminum tank is designed to bolt directly to the factory mounting points, providing a durable and aesthetically superior solution to the prone-to-fail OE plastic tank. Finished in a durable Candy Red two-stage powder coat, this kit is compatible with stock or drop-in turbochargers and provides necessary clearance for larger aftermarket or compound turbocharger configurations.

The kit features a built-in coolant level sight glass for easy maintenance checks and includes a premium black anodized CNC machined billet aluminum cap. Installation is straightforward using basic hand tools and original mounting locations.

• Manufacturer Part Number: WCF100628-CR
• Fabricated aluminum coolant tank construction
• Two-stage Candy Red powder coat finish
• Black anodized CNC machined billet aluminum cap
• Integrated coolant level sight glass
• Includes low coolant sensor and overflow hose
• Mounting hardware included
• Compatible with factory mounting points

Fits select 2013-2018 Ram 2500 and 3500 trucks (6.7L).

Replace the failure-prone or unsightly clear plastic factory reservoir with this Wehrli Custom Fabrication (WCFab) heavy-duty fabricated aluminum coolant tank. Engineered as a direct bolt-on replacement, this kit mounts to the factory OEM locations and is designed to provide additional clearance for larger aftermarket or compound turbocharger setups while remaining compatible with stock trucks.

The kit features a durable Bengal Red single-stage powder-coated finish and includes a CNC-machined black anodized billet aluminum cap. A built-in sight glass allows for quick visual fluid level checks, and the kit comes complete with a low coolant sensor and necessary hardware to ensure a seamless installation using basic hand tools.

• Fabricated aluminum construction with Bengal Red powder-coated finish
• Black anodized CNC-machined billet aluminum cap
• Integrated coolant level sight glass for easy monitoring
• Includes low coolant sensor, overflow hose, and mounting hardware
• Provides clearance for large single and compound turbo setups
• Direct fit for OEM mounting points; no modifications required
• Manufacturer Part Number: WCF100628-BR

Fits 2017-2019 Chevrolet Silverado and GMC Sierra 2500HD / 3500HD (6.6L L5P Duramax).

The factory plastic coolant reservoirs on the L5P Duramax are prone to yellowing and becoming cloudy over time, which detracts from your engine bay's appearance. More critically, the OE units feature integrated, non-replaceable level sensors that frequently fail, triggering persistent false "low coolant" warnings that require the replacement of the entire tank assembly. The WCFab Fabricated Aluminum Coolant Tank Kit addresses these issues with a durable, American-made solution designed to mount in the factory location.

Constructed from high-quality aluminum and finished in a Gloss White powder coat, this kit features a serviceable float-type low coolant level sensor and a billet aluminum sight glass for easy fluid monitoring. This design ensures that if the sensor ever fails, it can be replaced individually without discarding the entire tank. The kit comes complete with a black anodized billet aluminum cap and all necessary installation hardware.

• Fabricated aluminum construction for superior durability
• Billet aluminum coolant level sight glass
• Serviceable low coolant level sensor eliminates common OE failure point
• Gloss White powder coat finish
• Includes black anodized billet aluminum cap and overflow hose
• Direct replacement for GM Part Numbers: 84257137, 84214124, 84138913, 84174037
• Made in USA
• Manufacturer Part Number: WCF100433-GW

Fits 2017-2019 Chevrolet Silverado and GMC Sierra 2500 HD / 3500 HD models (6.6L L5P Duramax).

The factory plastic coolant reservoirs on the L5P Duramax are prone to yellowing and clouding over time, making fluid levels difficult to read and detracting from the engine bay's appearance. More critically, the OE units feature non-replaceable sensors that often fail prematurely, triggering false low coolant warnings that require the replacement of the entire tank assembly. This Wehrli Custom Fabrication (WCFab) kit provides a permanent solution by mounting a durable, fabricated aluminum tank in the factory location.

This kit upgrades your cooling system with a high-quality float-type sensor that is fully serviceable, ensuring you never have to replace the whole tank due to a sensor malfunction again. Constructed in the USA and finished in a resilient gloss black powder coat, this kit includes a billet aluminum sight glass for quick level checks and a black anodized billet cap for a premium seal.

• Direct replacement for GM Part Numbers: 84257137, 84214124, 84138913, 84174037
• Fabricated aluminum construction with gloss black powder coat finish
• Integrated billet aluminum coolant level sight glass
• Serviceable low coolant level sensor eliminates common OE failure point
• Includes black anodized billet aluminum cap and overflow hose
• Complete with all necessary installation hardware
• Made in the USA
• Manufacturer Part Number: WCF100433-GB

Fits 2017-2019 Chevrolet Silverado and GMC Sierra 2500/3500 HD (6.6L).

The WCFab Fabricated Aluminum Coolant Tank Kit for the L5P Duramax provides a durable, professional-grade solution to the common issues found with factory plastic reservoirs. Over time, original equipment (OE) tanks are prone to yellowing and clouding, making it difficult to monitor fluid levels and detracting from the engine bay's appearance. More critically, the factory units feature non-replaceable sensors that often fail, triggering false low-coolant warnings and requiring the replacement of the entire reservoir assembly.

This Wehrli Custom Fabrication kit (MPN WCF100433-FB) mounts directly to the OEM location and utilizes a serviceable, high-quality float-type sensor for long-term reliability. Constructed from heavy-duty aluminum and finished in a flat black powder coat, the tank includes a billet aluminum sight glass for quick visual checks and a black anodized billet cap for a clean, finished look.

• Direct replacement for GM part numbers: 84257137, 84214124, 84138913, 84174037
• Fabricated aluminum coolant tank with flat black powder coat
• Billet aluminum coolant level sight glass for easy monitoring
• Serviceable low-coolant level sensor (float-type)
• Black anodized billet aluminum cap included
• Includes installation hardware and overflow hose
• Made in the USA

Fits 2020-2025 Chevrolet Silverado and GMC Sierra 2500 HD/3500 HD (6.6L L5P Duramax).

Replace the failure-prone factory plastic reservoir with a durable, high-performance solution. This Wehrli Custom Fabrication (WCFab) OEM Placement Coolant Tank Kit features a heavy-duty fabricated aluminum construction designed to mount directly in the factory location. The Gloss White powder-coated finish provides a clean, custom look in the engine bay while the integrated sight glass allows for quick, reliable coolant level checks at a glance.

This kit is designed for a straightforward installation on stock trucks using basic hand tools and factory mounting points. It includes a CNC-machined billet aluminum cap with a black anodized finish, a new low coolant level sensor to maintain system monitoring, and all necessary mounting hardware and overflow hoses.

• Fabricated aluminum coolant tank with integrated sight glass
• Gloss White powder coat finish
• Black anodized billet aluminum cap
• Includes low coolant level sensor and overflow hose
• Uses factory mounting points; no modifications required
• Replaces GM Part Numbers: 23394082, 84622147
• Manufacturer Part Number: WCF100268-GW

Fits 2020-2025 Chevrolet Silverado and GMC Sierra 2500HD/3500HD (6.6L L5P Duramax).

Replace the failure-prone factory plastic reservoir with the Wehrli Custom Fabrication aluminum coolant tank kit. This fabricated aluminum tank is designed as a direct bolt-on replacement, mounting securely to the factory locations without requiring modifications. The Gloss Black powder-coated finish provides a durable, professional appearance while the integrated sight glass allows for quick and accurate fluid level checks at a glance.

This comprehensive kit features a black anodized CNC-machined billet aluminum cap and includes a new low coolant sensor to ensure full system functionality. It is designed for easy installation using basic hand tools, providing a significant upgrade in both engine bay aesthetics and long-term durability for heavy-duty applications.

• Fabricated aluminum construction with Gloss Black powder coat
• Integrated coolant level sight glass
• CNC-machined billet aluminum anodized cap
• Includes low coolant level sensor and overflow hose
• Mounts to OEM locations using included hardware
• Replaces GM Part Numbers: 23394082, 84622147
• Manufacturer Part Number: WCF100268-GB (Supersedes WCF100679)

Upgrade your engine bay and replace the prone-to-leak factory plastic unit with the Weapon R Power Steering Reservoir Tank. Designed specifically for the 2002-2007 Subaru Impreza WRX, this tank offers a durable alternative to the aging original equipment.

Constructed from high-quality aluminum, this reservoir provides superior resistance to heat and pressure compared to standard plastic tanks. It is engineered for a direct fit, utilizing factory mounting points to ensure a straightforward installation process that improves both component longevity and engine bay aesthetics.

• Fits 2002-2007 Subaru Impreza WRX (including Limited and TR models)
• Fabricated from high-strength aluminum for improved durability
• Direct-fit replacement for the factory plastic reservoir
• Enhances heat dissipation under high-performance driving conditions
• Manufacturer Part Number: 826-126-101

Fits 2002-2007 Subaru Impreza WRX, WRX Limited, and WRX TR.

The Weapon R Hybrid Coolant and Washer Tank (MPN: 826-124-101) is engineered to consolidate two separate factory reservoirs into a single, efficient unit. By combining the coolant overflow and windshield washer fluid storage, this tank helps clear valuable space within the engine bay, which is often required when installing front-mount intercooler (FMIC) piping or other performance-oriented forced induction upgrades.

• Direct fit for 2002-2007 Subaru Impreza WRX chassis
• Combines coolant overflow and windshield washer fluid reservoirs
• Optimizes engine bay clearance for aftermarket performance modifications
• Replaces bulky factory plastic overflow and washer bottles
• Manufacturer Part Number: 826-124-101

Fits 2003-2006 Infiniti G35 Base and X models.

Upgrade your engine bay with the Weapon R aluminum coolant overflow tank, designed to replace the fragile factory plastic reservoir. Over time, original equipment plastic tanks are prone to discoloration, brittleness, and eventual cracking due to constant heat cycles. This aluminum unit offers a durable, long-term solution that withstands high engine bay temperatures while providing a clean, performance-oriented aesthetic.

• Fabricated from high-quality aluminum for superior heat resistance and longevity
• Replaces prone-to-leak factory plastic overflow bottles
• Direct-fit design for the 2003-2006 G35 chassis
• Maintains proper cooling system pressure and fluid recovery
• Manufacturer Part Number: 826-123-102

Fits 2003-2006 Nissan 350Z (Base, Enthusiast, Performance, Touring, Track, Grand Touring, and 35th Anniversary Edition). Note: This unit does not fit models equipped with the HR motor.

Replace your brittle, factory plastic reservoir with the Weapon R Aluminum Coolant Overflow Tank. Over time, original equipment plastic tanks are prone to cracking and leaking due to constant heat cycling. This aluminum alternative provides a durable, long-lasting solution while cleaning up the appearance of your engine bay.

Designed as a direct replacement for the stock unit, this tank manages coolant expansion and recovery to ensure your cooling system remains pressurized and efficient during spirited driving or daily use.

• Construction: High-quality aluminum
• Application: Coolant expansion and overflow recovery
• Compatibility: Specific to 2003-2006 VQ35DE-equipped models
• Manufacturer Part Number: 826-123-101

Fits 2008-2011 Mitsubishi Lancer Evolution GSR, MR, and MR Touring (2.0L).

The Weapon R Aluminum Coolant Overflow Tank (826-122-102) provides a durable, performance-oriented replacement for the factory plastic reservoir. Original equipment plastic tanks are prone to yellowing, becoming brittle, and eventually cracking after repeated thermal cycles in a turbocharged engine bay. This aluminum tank is engineered to withstand these high-heat conditions while providing a more secure and professional-looking cooling system solution.

• Direct-fit replacement for the factory coolant recovery tank
• Heavy-duty aluminum construction eliminates the risk of cracks or leaks associated with aged plastic
• Corrosion-resistant material ensures long-lasting performance in the harsh engine bay environment
• Specifically designed for the Mitsubishi Lancer Evolution X chassis
• Manufacturer Part Number: 826-122-102

Fits select 2002-2007 Subaru WRX, 2004-2022 STI, and 2004-2008 Forester XT. The Torque Solution Coolant Expansion Tank (TS-SU-679S) is a performance-oriented cooling upgrade designed to replace the failure-prone factory plastic unit. Over time, original equipment tanks are susceptible to heat-induced fatigue, which can lead to hairline cracks and coolant leaks.

Fabricated from durable aluminum and finished in a corrosion-resistant silver coating, this expansion tank provides a significant increase in reliability and pressure resistance compared to plastic alternatives. It is designed to bolt directly to factory mounting locations, maintaining the integrity of the cooling system while enhancing the aesthetic of the EJ engine bay.

• Replaces brittle or cracked OE plastic expansion tanks
• Lightweight and durable aluminum construction
• Durable silver finish for corrosion protection and a clean look
• Precision TIG welds for maximum pressure handling
• Manufacturer Part Number: TS-SU-679S

Fits 2004-2022 Subaru WRX STI.

The Torque Solution Coolant Expansion Tank Pedestal is a precision-engineered mounting solution designed to secure the coolant expansion tank in your Subaru STI engine bay. By replacing the factory component, this pedestal ensures the expansion tank is properly supported, maintaining correct positioning and preventing vibration-related fatigue over time.

• Precision fitment for 2004-2022 Subaru STI models
• Durable black finish for a clean, integrated look in the engine bay
• Direct replacement for the factory pedestal mount
• Engineered to withstand the thermal cycles of the engine compartment
• Manufacturer Part Number: TS-SU-679BK-P

Fits select 2002-2007 Subaru WRX, 2004-2022 Subaru WRX STI, and 2004-2008 Subaru Forester XT.

The Torque Solution Coolant Expansion Tank is designed to replace the failure-prone factory plastic unit. Over time, original equipment plastic tanks are notorious for cracking and leaking at the seams due to the high-pressure environment and repeated heat cycles of the EJ-series engine. This tank provides a durable, leak-free solution that withstands the rigors of spirited driving and high-performance applications.

Fabricated from high-quality aluminum and finished in a sleek black coating, this tank offers superior strength and a professional look under the hood. It utilizes factory mounting points for a straightforward, direct bolt-on installation without the need for custom fabrication.

• Replaces factory plastic tank to prevent common leaks and cracks
• Heavy-duty aluminum construction for long-term reliability
• Black finish for enhanced engine bay aesthetics
• Direct-fit design for easy installation using OEM mounting points
• Manufacturer Part Number: TS-SU-679BK

Fits 2017-2025 Honda Civic Type R (FK8 and FL5).

The Radium Engineering Coolant Expansion Tank Kit is a performance-oriented replacement for the factory plastic coolant reservoir. Designed as a direct bolt-in solution, this kit (MPN 20-0827) eliminates the reliability concerns associated with the original equipment plastic tank, which is prone to fatigue and failure under the high-temperature conditions of spirited driving or track use.

• Direct replacement for the OEM plastic coolant tank
• Simplified bolt-in installation using factory mounting points
• Specifically engineered for the FK8 and FL5 chassis
• Manufacturer Part Number: 20-0827

Fits 2023+ Toyota GR Corolla models.

Upgrade your cooling system's reliability and aesthetics with the Radium Engineering Billet Aluminum Coolant Tank Kit. This precision-engineered kit replaces the factory plastic expansion tank, which is prone to fatigue and yellowing over time, with a durable CNC-machined aluminum alternative. Designed for high-performance use, it provides a robust solution that withstands the elevated heat and pressure found in modified or track-driven G16E-GTS engines.

This kit (MPN 20-0767) is a direct bolt-on replacement that utilizes factory mounting points, ensuring a clean installation without the need for permanent vehicle modifications. It retains all OEM functionality, maintaining the proper expansion and ventilation required for the factory cooling system to operate at peak efficiency.

• Precision CNC-machined billet aluminum construction
• Direct replacement for the factory plastic coolant expansion tank
• Retains all OEM coolant system functionality and pressure regulation
• Bolts to factory chassis mounting points
• Includes all necessary installation hardware
• Manufacturer Part Number: 20-0767

Fits 2009-2021 Nissan GT-R R35 (Base, Premium, Black Edition, Track Edition, Nismo, Pure, and 50th Anniversary Edition).

The Radium Engineering coolant expansion tank kit for the R35 Nissan GT-R provides a durable, high-performance replacement for the factory plastic unit, which often becomes brittle and prone to cracking under high heat cycles. This precision CNC-machined solution offers superior longevity and a professional finish for your engine bay. Designed for a true direct-fit installation, the tank utilizes the factory mounting holes and OEM fasteners for a straightforward bolt-on process.

This kit is engineered to integrate seamlessly with the GT-R cooling system, ensuring reliability during street and track use. Note that a pressure cap is not included; you may reuse your factory cap or install a compatible high-pressure radiator cap.

• Manufacturer Part Number: 20-0557
• Material: CNC machined aluminum construction
• Fitment: Direct bolt-on to OEM mounting points
• Compatibility: Replaces factory plastic coolant expansion tank
• Note: Pressure cap not included

Fits 2013-2018 Ford Focus ST and 2016-2018 Ford Focus RS.

The Radium Engineering Coolant Tank Kit (MPN: 20-0318) provides a robust aluminum alternative to the factory plastic expansion tank. Engineered for performance, this kit features a specialized two-chamber design with two internal crossover passages to manage fluid movement during aggressive driving. The tank incorporates an internal swirl feature designed to de-aerate the coolant, preventing air pockets and improving the overall efficiency of the cooling system.

• Advanced two-chamber design with internal crossover passages
• Integrated swirl feature for coolant de-aeration
• Direct replacement for the factory expansion tank
• Durable construction for high-performance and track use
• Manufacturer Part Number: 20-0318