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

Fits select 2015-2017 Ford Mustang models, including V6, GT, EcoBoost, and Shelby GT350/GT350R.

The Radium Engineering Coolant Tank Kit (20-0286) is a performance-oriented replacement for the factory plastic expansion tank in the S550 Mustang. Designed to withstand the increased pressures and temperatures of performance driving, this kit ensures cooling system reliability while improving engine bay aesthetics. This direct-fit solution installs using factory mounting points for a clean, professional finish.

• Manufacturer Part Number: 20-0286
• High-performance replacement for the factory plastic coolant expansion tank
• Direct bolt-on installation using factory mounting points
• Specifically engineered for the 2015-2017 S550 Mustang chassis
• Includes necessary hardware for a complete installation

Fits 2011-2014 Ford Mustang GT.

The Radium Engineering Coolant Tank Kit (MPN: 20-0285) is a performance-oriented replacement for the factory plastic expansion tank. Over time, original equipment plastic reservoirs are prone to fatigue and failure due to constant heat cycling. This kit solves that reliability issue by utilizing a robust aluminum tank designed to withstand higher pressures and extreme engine bay temperatures while providing a premium, professional finish to the cooling system.

Constructed with precision, the tank features internal baffling to prevent coolant aeration and ensure stable fluid levels during spirited driving. The system is designed as a direct bolt-on, mounting to the factory locations for a seamless installation without the need for permanent vehicle modifications.

• Direct replacement for the factory 2011-2014 Ford Mustang GT coolant reservoir
• TIG-welded aluminum construction for superior durability over plastic
• Internal baffling controls fluid slosh and aeration
• Bolts directly to factory mounting points
• Includes all necessary hardware for a complete installation
• Manufacturer Part Number: 20-0285

Fits 2005-2011 Lotus Elise and Exige models equipped with the 2ZZ-GE engine.

The Radium Engineering coolant expansion tank is a direct-fit performance upgrade for the Lotus S2 chassis. Designed specifically to replace the failure-prone factory plastic reservoir, this tank mounts directly into the OEM location using original mounting points. It provides a more robust solution for containing pressurized coolant, which is critical for both high-performance street driving and track applications where heat soak can fatigue factory plastic components.

This tank is engineered for the 2ZZ-GE powertrain only and ensures cooling system reliability by eliminating the common leak points associated with aged OE units. It maintains the factory engine bay layout while providing the durability of high-grade construction.

• Direct replacement for the factory plastic expansion tank
• Installs in the original OEM location
• Designed specifically for the 2ZZ-GE engine platform
• Engineered for high-pressure cooling system environments
• Manufacturer Part Number: 20-0270-01

The Radium Engineering Universal Coolant Expansion Tank (20-0270-00) provides a robust solution for air separation and pressure management within performance cooling systems. Unlike standard non-pressurized overflow bottles, this expansion tank is designed to act as a high-point bleed for the cooling circuit, effectively purging trapped air and preventing localized hot spots that can lead to engine damage.

Its universal design is ideal for custom builds and race applications where factory cooling components have been removed or relocated. By maintaining a consistent volume of coolant and providing a space for thermal expansion, this tank ensures the system remains pressurized and efficient under high-heat conditions.

• Function: Pressurized air-separation expansion tank
• Application: Universal (requires custom mounting and plumbing)
• Included Hardware: Tank assembly and integrated bracket
• Manufacturer Part Number: 20-0270-00

Refer to Radium Engineering for specific plumbing diagrams and installation instructions to ensure optimal cooling performance.

Fits 2002-2026 Subaru WRX, 2004-2021 STI, and 2013-2026 Subaru BRZ, Scion FR-S, and Toyota 86/GR86.

Replace the factory plastic reservoir with the PERRIN Coolant Overflow Tank. Over time, OEM plastic tanks can become brittle and prone to cracking due to constant heat cycles. This CNC-machined aluminum alternative provides a durable, leak-proof solution that significantly improves engine bay aesthetics and longevity.

This tank is designed to mount securely while maintaining the correct volume for coolant expansion. The precision-machined construction ensures a perfect fit, and the vibrant red finish adds a custom look to your performance build.

• CNC-machined from high-quality aluminum for maximum durability
• Direct replacement for the brittle OEM plastic overflow tank
• Corrosion-resistant red finish for enhanced engine bay styling
• Designed for easy installation on specific Subaru and Toyota platforms
• Manufacturer Part Number: ASM-ENG-505RD

Fits select 2002-2026 Subaru WRX, 2004-2021 STI, and 2013-2026 BRZ, GR86, FR-S, and 86 models.

The PERRIN Coolant Overflow Tank (ASM-ENG-505NY) replaces the factory plastic reservoir with a durable, precision-engineered alternative. This CNC-machined tank provides a significant aesthetic upgrade to your engine bay while eliminating the risk of cracks or yellowing common with aged OE plastic units.

• Precision CNC-machined construction for exact fitment
• Durable neon yellow powder-coated finish
• Direct replacement for the factory plastic overflow tank
• Eliminates vulnerable OE plastic components
• Manufacturer Part Number: ASM-ENG-505NY

Fits select 2002-2026 Subaru WRX, 2004-2021 STI, and 2013-2026 BRZ, GR86, FR-S, and 86.

Eliminate the fragile factory plastic reservoir and upgrade your engine bay with the PERRIN Coolant Overflow Tank. This precision-crafted component is CNC-machined for a perfect fit and significantly better durability than the OEM unit. The Hyper Pink finish provides a distinct custom aesthetic while maintaining the critical cooling system overflow function your vehicle requires.

• Precision CNC-machined construction for maximum durability
• Vibrant Hyper Pink finish for enhanced engine bay styling
• Direct replacement for the factory plastic overflow bottle
• Includes all necessary hardware for a clean installation
• Manufacturer Part Number: ASM-ENG-505HP

Fits 2002-2026 Subaru WRX, 2004-2021 STI, and 2013-2026 Subaru BRZ, Toyota GR86/86, and Scion FR-S.

Clean up your engine bay and eliminate the prone-to-yellowing factory plastic reservoir with the PERRIN Coolant Overflow Tank. This precision-engineered component replaces the unsightly OEM tank with a durable, CNC-machined alternative that resists heat soak and chemical degradation better than plastic. Designed for a direct-fit installation, it utilizes factory mounting points to ensure a secure fit while providing a custom, high-performance look.

• CNC-machined construction for superior durability and precise fitment
• Low-profile design improves engine bay clearance and aesthetics
• Corrosion-resistant black finish for long-lasting protection
• Includes necessary hardware for a straightforward installation
• Manufacturer Part Number: ASM-ENG-505BK

Fits select 2002-2019 Subaru WRX, STI, and Forester Turbo models.

The Moroso 63784 Turbo Intercooler Tank is designed as a high-performance, direct bolt-in replacement for the factory unit. Engineered for a precise fit, this tank addresses the common failure points of the original component by providing a more durable solution that utilizes factory mounting points and hardware for a straightforward installation.

• Direct bolt-in replacement for OE turbo intercooler tank
• Integrates with factory mounting locations and plumbing
• Fabricated construction for superior durability and heat management
• Fits 2002-2007 WRX, 2004-2019 STI, and 2004-2008 Forester Turbo
• Manufacturer Part Number: 63784

Fits select 2005-2014 Subaru Impreza WRX, Legacy GT, Outback XT, and Forester XT (2.5L Turbo).

The Mishimoto MMRT-WRX-08EBK Aluminum Coolant Expansion Tank is a durable, direct-fit replacement for the factory plastic unit. Stock plastic tanks are notorious for cracking or failing at the seams after years of repeated heat cycles. This Mishimoto upgrade is engineered from 100% aluminum with precision TIG welding to eliminate leak points and provide a permanent cooling solution.

• Provides 22-percent greater capacity than the factory plastic expansion tank
• Manufactured with all-aluminum, fully welded construction for maximum durability during hot and cold transitions
• Equipped with leak-free, CNC-machined barb fittings for secure hose connections
• Finished in a sleek black powder coat to enhance engine bay aesthetics
• Manufacturer Part Number: MMRT-WRX-08EBK

Fits select 2005-2014 Subaru Forester XT, Impreza WRX, Legacy GT, and Outback XT models.

The Mishimoto Aluminum Coolant Expansion Tank is engineered to eliminate a notorious failure point in the Subaru cooling system. While factory plastic expansion tanks are prone to becoming brittle, cracking, and leaking after years of heat cycling, this all-aluminum unit is fully TIG-welded for maximum durability. Beyond increased reliability, this tank offers a 22-percent greater capacity than the stock plastic component, providing additional coolant volume for more efficient thermal management.

• 100% brazed aluminum construction for superior heat and pressure resistance
• 22% greater capacity than the factory plastic expansion tank
• Precision-welded CNC barb fittings ensure leak-free performance and secure hose seating
• Direct-fit design replaces the OEM unit using factory mounting points
• Manufacturer Part Number: MMRT-WRX-08E

Fits select 2002-2008 Subaru Impreza WRX/STI, Forester XT, Baja Turbo, and 2005-2006 Saab 9-2X Aero.

Standard plastic coolant expansion tanks are notorious failure points in turbocharged Subaru cooling systems, often developing hairline cracks or leaking at the seams after years of thermal cycling. The Mishimoto Aluminum Coolant Expansion Tank (MMRT-WRX-01EBK) provides a heavy-duty solution, replacing the brittle factory unit with a 100-percent aluminum, TIG-welded reservoir designed for maximum durability and engine bay aesthetics.

This tank is engineered with a 50-percent increase in coolant capacity over the stock unit, providing better thermal management. It features leak-free welded barb fittings for a secure connection to your factory or aftermarket cooling lines. Finished in a durable anodized black, it is designed to bolt directly into the factory location and carries the Mishimoto Lifetime Warranty.

• 100% TIG-welded aluminum construction for superior heat and pressure resistance
• 50% greater capacity than the stock plastic expansion tank
• Durable anodized black finish for corrosion resistance and styling
• Direct fit using factory mounting points and barbed fittings
• Manufacturer Part Number: MMRT-WRX-01EBK
• Mishimoto Lifetime Warranty included

Fits select 2002-2008 Subaru WRX, STI, Baja Turbo, Forester XT, and Saab 9-2X Aero.

Standard plastic coolant expansion tanks are notorious failure points on EJ-series engines, often cracking or leaking at the seams after years of thermal cycling. The Mishimoto MMRT-WRX-01E replaces the fragile factory unit with a 100-percent TIG-welded aluminum tank designed for maximum durability and long-term reliability. This upgrade provides a 50-percent increase in coolant capacity over the original equipment, helping your cooling system manage heat more effectively during spirited driving or high-load conditions.

• Fully TIG-welded aluminum construction for superior strength under pressure
• 50-percent greater capacity than the stock plastic expansion tank
• Leak-free welded barb fittings for secure hose connections
• Engineered for direct, bolt-on fitment using factory mounting points
• Compatible with Mishimoto Performance Aluminum Radiators
• Manufacturer Part Number: MMRT-WRX-01E
• Includes Mishimoto Lifetime Warranty

Fits select 2008-2016 Subaru Impreza WRX, WRX STI, and WRX/STI models.

Replace the failure-prone factory plastic reservoir with the Mishimoto MMRT-STI-08BK Coolant Overflow Tank. Stock plastic tanks are notorious for cracking and leaking after years of repeated heat cycling. This Mishimoto upgrade is engineered from durable, TIG-welded aluminum to provide long-lasting reliability and a clean, professional look in your engine bay.

This overflow tank features an integrated CNC-machined dipstick, allowing you to quickly and accurately check coolant levels without guesswork. Designed for a direct-fit installation, it bolts into the factory location and is fully compatible with both the OEM radiator and Mishimoto performance aluminum radiators. The black anodized finish provides a sleek, stealthy appearance while resisting corrosion.

• Direct fit for 2008-2016 Subaru WRX and STI
• Durable TIG-welded aluminum construction
• CNC-machined dipstick for easy fluid level monitoring
• Anodized black finish for superior corrosion resistance
• Installation completed in under 30 minutes
• Includes Mishimoto Lifetime Warranty
• Manufacturer Part Number: MMRT-STI-08BK

Fits 2008-2016 Subaru WRX and WRX STI.

The factory plastic coolant overflow tank in the 2008-2016 Subaru WRX/STI is a common failure point. Over time, repeated thermal expansion and contraction cycles cause the stock plastic to become brittle, leading to cracks, leaks, and a yellowed, unsightly appearance in the engine bay. The Mishimoto MMRT-STI-08 Coolant Overflow Tank provides a permanent solution, replacing the failure-prone plastic unit with a durable, TIG-welded aluminum reservoir designed for longevity and performance.

• TIG-welded aluminum construction for maximum durability through repeated heat cycles
• Integrated CNC-machined dipstick allows for quick and accurate coolant level checks
• Polished finish provides a significant aesthetic upgrade over factory plastic
• Direct-fit installation takes less than 30 minutes
• Compatible with both factory and Mishimoto performance radiators
• Manufacturer Part Number: MMRT-STI-08
• Mishimoto Lifetime Warranty

Includes: (1) Aluminum Tank with Polished Finish, (1) CNC-Machined Dipstick.

Fits select 2015-2023 Dodge Charger and Challenger models, including SRT Hellcat, Scat Pack, SRT 392, and Demon (6.2L / 6.4L).

The factory plastic expansion tank on modern Mopar platforms is a notorious weak point, often prone to yellowing, degrading, and eventual cracking after repeated heat cycles. The Mishimoto Aluminum Expansion Tank (MMRT-SRT-15BK) provides a durable, permanent solution. By replacing the fragile OE reservoir with 100% TIG-welded aluminum, this tank offers significantly improved resistance to temperature transitions while enhancing engine bay aesthetics.

To maintain a clean, high-performance look, Mishimoto engineered this tank with internal baffling that incorporates a cold-fill line. This clever design eliminates the need for an unsightly external sight glass or tube. The micro-wrinkle black finish provides a factory-plus appearance that stands up to the rigors of the engine compartment.

• 100-percent aluminum, TIG-welded construction for maximum durability
• Integrated cold-fill tab within internal baffling keeps exterior design sleek
• Direct-fit replacement for the failure-prone factory plastic tank
• Finish: Micro-wrinkle black
• Manufacturer Part Number: MMRT-SRT-15BK
• Mishimoto Lifetime Warranty included

Fits select 2013-2021 Ford Focus, Escape, and Transit Connect models (including Focus RS and ST trims).

Replace the failure-prone factory plastic coolant tank with the Mishimoto Aluminum Expansion Tank. Constructed from durable, TIG-welded aluminum, this tank is engineered to withstand the extreme temperature variations that cause OEM plastic units to crack and leak over time. The wrinkle red finish provides a significant aesthetic upgrade while offering superior longevity under hood.

This tank is designed for more than just looks; it features internal baffles to prevent coolant starvation during aggressive driving. By reducing coolant sloshing during high-speed cornering, braking, and acceleration, the baffles ensure air does not enter the cooling system. For easier maintenance, Mishimoto integrated a clear sight tube to allow for immediate observation of hot and cold coolant levels. The tank reuses the factory expansion tank cap and includes an overflow nipple on the fill neck for adding an additional coolant tank to meet NHRA requirements.

• Direct fit for 2013-2021 Ford Focus, Escape, and Transit Connect
• TIG-welded aluminum construction for maximum durability
• Internal baffles prevent aeration and coolant starvation
• Integrated sight tube for easy fluid level monitoring
• Wrinkle red finish for enhanced engine bay styling
• Reuses OEM expansion tank cap
• Includes overflow nipple for NHRA legality
• Mishimoto Lifetime Warranty
• MPN: MMRT-RS-16EWRD

Fits select 2013-2021 Ford Focus (including ST/RS/Electric), Ford Escape, and Ford Transit Connect. This Mishimoto aluminum expansion tank is a direct-fit upgrade for the failure-prone factory plastic tank, which is known to crack after years of heat cycling.

Constructed from TIG-welded aluminum for maximum durability, this tank features internal baffles to prevent coolant sloshing during high-speed cornering and braking. These baffles ensure coolant remains near the overflow ports, preventing air from entering the cooling system during aggressive driving. For ease of maintenance, a built-in sight tube allows you to check hot and cold levels at a glance without opening the system.

The tank reuses the factory expansion tank cap and includes an overflow nipple on the fill neck for adding an additional coolant tank, ensuring Focus RS models remain NHRA legal at the track. Finished in a durable wrinkle blue powder coat, it provides a significant aesthetic upgrade to the engine bay.

• Direct fit for 2013-2021 Ford Focus, Escape, and Transit Connect
• Internal baffles prevent coolant starvation and aeration
• Durable TIG-welded aluminum construction replaces OE plastic
• Integrated sight tube for quick level checks
• Reuses factory expansion tank cap
• Includes overflow nipple for NHRA compliance
• Mishimoto Lifetime Warranty
• Manufacturer Part Number: MMRT-RS-16EWBL

Fits select 2013-2021 Ford Escape, Focus (ST/RS/S/SE/SEL/Electric), and Transit Connect. Replace the failure-prone plastic factory coolant tank with the Mishimoto TIG-welded aluminum expansion tank (MMRT-RS-16EBK) for superior durability and engine bay aesthetics.

Unlike the stock unit, which is prone to cracking after years of heat cycles, this Mishimoto tank is constructed from high-quality aluminum to handle constant temperature variations. It features internal baffles to reduce coolant sloshing during high-speed cornering and braking, preventing air from entering the cooling system. A built-in sight tube allows for quick, easy monitoring of hot and cold coolant levels without opening the system.

• Direct fit for select 2013-2021 Ford models
• TIG-welded aluminum construction for maximum longevity
• Internal baffles prevent coolant starvation and aeration
• External sight tube for easy fluid level monitoring
• Includes overflow nipple on the fill neck for NHRA compliance
• Reuses factory expansion tank cap
• Black powder-coated finish for corrosion resistance
• Manufacturer Part Number: MMRT-RS-16EBK
• Includes Mishimoto Lifetime Warranty

Fits 2013-2018 Ram 2500 and 3500 models equipped with the 6.7L Cummins engine.

The Mishimoto MMRT-RAM-13N Aluminum Degas Tank is a rugged upgrade designed to replace the brittle factory plastic expansion tank. Constructed from high-quality aluminum with precision TIG welds, this tank eliminates the risk of leaks and failure under pressure. For owners running larger single-turbo setups, this tank is specifically engineered to provide necessary clearance without requiring additional trimming or modification.

Engineered for performance and reliability, the tank features internal baffling to prevent coolant starvation and air pockets during heavy hauling or off-road use. It includes an OEM-quality coolant level sensor, ensuring seamless integration with your dashboard's low-coolant warning system. This direct-fit component bolts to factory mounting points for a straightforward installation.

• Full aluminum construction with durable, precision TIG-welded seams
• Internal baffles maintain consistent coolant supply and prevent aeration
• Integrated OEM-quality coolant level sensor for dash warning functionality
• Optimized shape provides clearance for large aftermarket single-turbo configurations
• Natural finish for a clean, professional engine bay aesthetic
• Direct-fit for the 2013-2018 Ram 6.7L Cummins
• Mishimoto Lifetime Warranty

Part Number: MMRT-RAM-13N

Upgrade your engine bay with the Mishimoto Aluminum Power Steering Reservoir Tank. This component provides a durable, heat-resistant alternative to brittle factory plastic reservoirs, making it an essential addition for custom builds or tucked engine bays. Manufactured from lightweight aluminum, this tank offers long-term reliability and a significant aesthetic improvement over dull OEM equipment.

This comprehensive kit includes a dedicated mounting bracket, fittings, and hardware to ensure a secure installation. The wrinkle red finish provides a professional, textured look that resists fingerprints and maintains its appearance under high-heat conditions. Whether you are replacing a cracked plastic tank or finishing a high-performance build, this reservoir offers a clean, functional solution.

• Lightweight aluminum construction for durability and weight savings
• Includes mounting bracket, fittings, and necessary hardware
• Replaces standard plastic OEM power steering tanks
• Durable wrinkle red finish for a custom engine bay appearance
• Manufacturer Part Number: MMRT-PSAWRD

The Mishimoto Aluminum Power Steering Reservoir Tank (MMRT-PSAWBK) provides a durable and aesthetically superior alternative to the factory plastic reservoir. Whether you are finishing a tucked engine bay or replacing a weathered OEM tank, this lightweight aluminum unit offers a clean, professional appearance and long-lasting performance.

Constructed from high-quality aluminum, this reservoir features a resilient wrinkle black finish designed to withstand the heat and chemicals of the engine bay environment. This comprehensive kit includes everything needed for a secure installation, ensuring a clean fitment in place of standard plastic housings.

• Manufactured from lightweight, high-grade aluminum
• Durable wrinkle black finish for improved underhood aesthetics
• Direct replacement for dull or brittle plastic OEM tanks
• Includes mounting bracket, fittings, and hardware
• Manufacturer Part Number: MMRT-PSAWBK

Replace your brittle or unsightly factory plastic tank with the Mishimoto Aluminum Power Steering Reservoir Tank (MMRT-PSA). This reservoir provides a durable, lightweight solution for those looking to improve engine bay aesthetics or complete a tucked bay setup. Constructed from high-quality aluminum, it offers a significant visual upgrade over dull OE components.

• Replaces standard plastic power steering tanks for improved durability
• Manufactured from lightweight aluminum for a clean, professional look
• Includes universal mounting bracket, fittings, and installation hardware
• Available in polished aluminum, wrinkle black, or wrinkle red finishes
• Part Number: MMRT-PSA

This comprehensive kit is designed for straightforward integration, providing the necessary hardware to secure the tank and connect your lines, making it an essential component for any custom cooling or engine bay overhaul project.

Fits 2024-2026 Ford Mustang EcoBoost, GT, and Dark Horse models (2.3L / V8).

Replace the failure-prone factory plastic reservoir with the Mishimoto all-aluminum coolant expansion tank. Engineered specifically for the 2024+ Mustang, this direct-fit solution eliminates the risks of yellowing, cracking, or leaking associated with repeated heat cycles. This tank features a 55% increase in coolant capacity over the stock unit, significantly improving heat dissipation for both street and track use.

The internal baffles are designed to keep coolant near the overflow port during high-G cornering, preventing air from entering the cooling system. For convenience, it includes a high-visibility sight glass and a stamped cold-fill line for rapid level checks. This polished aluminum tank also includes a dedicated coolant overflow port, making it compatible with NHRA-mandated overflow tanks. Installation can be completed in approximately one hour using factory mounting points.

• Direct-fit for 2024-2026 Ford Mustang
• All-aluminum construction for long-term durability
• 55% increase in coolant capacity over OE tank
• Internal baffles prevent air entry during aggressive driving
• High-visibility sight glass and stamped cold-fill line
• NHRA-mandated overflow port compatibility
• Polished finish for enhanced engine bay aesthetics
• Manufacturer Part Number: MMRT-MUS-24P
• Mishimoto Lifetime Warranty

Fits 2024-2026 Ford Mustang Dark Horse, EcoBoost, and GT models (2.3L).

Replace the failure-prone factory plastic tank with the Mishimoto Aluminum Coolant Expansion Tank. Unlike the OE reservoir, which can yellow, crack, and leak after repeated heat cycles, this all-aluminum tank is engineered for long-term durability and performance. It features a 55% increase in coolant capacity to improve heat dissipation and maintain stable operating temperatures during spirited driving.

Inside, internal baffles prevent air from entering the cooling system during high-G maneuvers. The exterior includes a high-visibility sight glass and a stamped cold-fill line for rapid level checks without opening the system. For track enthusiasts, a dedicated overflow port allows for the installation of an NHRA-mandated overflow reservoir. This direct-fit component installs in approximately one hour using factory mounting points and the stock overflow tank cap.

• Direct-fit for 2024-2026 Ford Mustang
• All-aluminum construction with micro-wrinkle black powder coated finish
• 55% increase in coolant capacity over stock
• Internal baffles prevent air entry during aggressive driving
• Includes high-visibility sight glass and stamped cold-fill line
• NHRA-mandated overflow port included
• Manufacturer Part Number: MMRT-MUS-24MWBK
• Mishimoto Lifetime Warranty

Fits 2015-2023 Ford Mustang (EcoBoost, V6, GT, Bullitt, Mach 1, and Shelby GT350/GT500).

Replace the failure-prone factory plastic reservoir with the Mishimoto Aluminum Coolant Expansion Tank. Engineered as a direct-fit upgrade, this tank is constructed from durable, TIG-welded aluminum to withstand the constant temperature cycles that cause OEM plastic units to crack and leak. The internal baffled design ensures coolant stays near the overflow ports during high-G cornering, braking, and acceleration, preventing air from entering the cooling system.

This tank features a built-in sight glass for quick, accurate hot and cold level checks and includes an overflow nipple on the fill neck to facilitate additional tank plumbing for NHRA legality. It is designed for a simple installation in under one hour using the factory mounting points and is compatible with the stock expansion tank cap.

• Direct fit for 2015-2023 Ford Mustang (all trims)
• Internal baffles prevent coolant sloshing and starvation
• Durable TIG-welded aluminum construction in a black anodized finish
• Integrated sight glass for easy fluid level monitoring
• Compatible with OEM expansion tank cap
• Includes overflow nipple for NHRA-legal requirements
• Manufacturer Part Number: MMRT-MUS-15EBK
• Mishimoto Lifetime Warranty

Improve your engine bay's reliability and styling with the Mishimoto Polished Aluminum Coolant Expansion Tank. Factory plastic tanks are prone to failure over time due to constant temperature fluctuations. This Mishimoto tank is constructed from durable, TIG-welded aluminum to provide a permanent solution that withstands the rigors of high-performance driving.

The interior of the tank features precision baffles that keep coolant near the overflow ports during aggressive cornering, braking, and acceleration, preventing air from entering the cooling system. An integrated sight glass allows for immediate confirmation of hot and cold coolant levels. This tank is a direct-fit replacement that installs in under one hour, utilizes the stock expansion tank cap, and includes an overflow nipple for NHRA track legality.

• Direct fit for 2015-2023 Ford Mustang models
• Internal baffles prevent coolant starvation during aggressive driving
• Integrated sight glass for easy fluid level monitoring
• 100% TIG-welded aluminum construction for maximum durability
• Includes overflow nipple for NHRA compliance
• Polished finish for a clean, custom engine bay look
• Manufacturer Part Number: MMRT-MUS-15E
• Mishimoto Lifetime Warranty

Fits 2011-2023 Dodge Challenger, Charger, and Chrysler 300 models (All trims including SRT Hellcat, Scat Pack, and R/T).

The factory plastic expansion tank on modern Mopar platforms is a notorious failure point, often yellowing or cracking over time due to constant heat cycles. The Mishimoto Aluminum Expansion Tank solves this by replacing the OE plastic unit with 100-percent TIG-welded aluminum for significantly improved durability and a professional engine bay aesthetic. This tank eliminates the failure-prone plastic seams that lead to coolant leaks.

Designed with a sleek exterior, Mishimoto incorporated an internal cold-fill line within the baffling, removing the need for an external sight glass or tube that can cloud or leak. The natural finish provides a perfect canvas for enthusiasts looking to customize their cooling system through powder-coating, anodizing, or hydro-dipping to match their vehicle's theme.

• Full 100-percent aluminum, TIG-welded construction for maximum reliability during temperature transitions.
• Internal baffling with integrated cold-fill tab maintains clean exterior lines.
• Direct fit for 2011-2023 Dodge/Chrysler LX/LD/LA platforms.
• Natural finish allows for easy custom paint or coating.
• Includes Mishimoto Lifetime Warranty.
• Manufacturer Part Number: MMRT-MOP-11EN

Fits select 2011-2023 Dodge Charger, Dodge Challenger, and Chrysler 300 models across various trims including R/T, SRT Hellcat, Scat Pack, and SXT.

Replace the unsightly and failure-prone factory plastic coolant reservoir in your Mopar with the Mishimoto Aluminum Expansion Tank. While the stock plastic tanks are known to yellow, degrade, and eventually leak due to repeated heat cycles, this Mishimoto tank is engineered for long-term durability and a significant engine bay aesthetic upgrade. Constructed from 100% TIG-welded aluminum, it provides maximum resistance to temperature transitions and pressure.

This tank features a sleek exterior design that eliminates the need for an external sight glass or tube. Instead, it utilizes an internal baffle with an integrated cold-fill line to ensure accurate coolant levels without cluttering the engine bay. Finished in a micro-wrinkle black powder coat, it provides a clean, custom look that complements the aggressive styling of the Charger, Challenger, and 300 series.

• 100% aluminum, fully welded construction for superior durability
• Micro-wrinkle black finish resists corrosion and enhances engine bay aesthetics
• Internal baffling with integrated cold-fill tab maintains a clean exterior profile
• Direct fit replacement for the factory plastic expansion tank
• Manufacturer Part Number: MMRT-MOP-11EMWBK
• Mishimoto Lifetime Warranty included