Coolant Reservoirs

Upgrade your engine bay by replacing the ugly OEM plastic coolant overflow tank with the precision-crafted, CNC-machined PERRIN Coolant Overflow Tank in black!

Coolant Overflow Tank: 1.25 qrt, Rectangular, Polished, Alumium, 3/8 " NPT Inlet, 1/2" NPT Outlet. Length: 3.00" (76.2mm), Width: 4.50" (114.3mm), Height: 7.00" (178mm) Includes Billet Neck and Cap with 1/4" nipple.

Upgrade your 2024+ Toyota Tacoma with reliable and high-performance aluminum expansion tank built for off-road reliability. Unlike stock plastic tanks, this fully aluminum design with TIG welds stands up to tough trails without risk of failure, ensuring...

Dodge and Chrysler have carefully crafted the 2015-2023 6.4L Dodge Charger, Challenger, and their 6.2L Hellcat variants with imposing exteriors that live up to their namesakes. One would expect the same attention to detail under the hood and, for the...

Add some reliability and engine bay styling to your Focus RS/ST with the Mishimoto RS/ST expansion tank. This tank features internal baffles to prevent coolant starvation from overflow ports on the engine. Also, during high speed cornering, braking, and...

It's only been four years since the first Ford Ranger 2.3L EcoBoost rolled off the assembly line, but those four years have been rough on some of the plastic parts under your Ranger's hood. Your coolant expansion tank is probably beginning to show its...

It's only been four years since the first Ford Ranger 2.3L EcoBoost rolled off the assembly line, but those four years have been rough on some of the plastic parts under your Ranger's hood. Your coolant expansion tank is probably beginning to show its...

The factory expansion tank on your 2019+ Ram 6.7L Cummins is a weak point in an otherwise durable cooling system. Made from plastic, the stock tank becomes brittle over time and is prone to cracking, discoloration, and internal degradation after...

The factory expansion tank on your 2019+ Ram 6.7L Cummins is a weak point in an otherwise durable cooling system. Made from plastic, the stock tank becomes brittle over time and is prone to cracking, discoloration, and internal degradation after...

Upgrade your Jeep Wrangler JL or Gladiator JT with an aluminum expansion tank built to withstand the toughest trails and daily driving. The stock plastic tanks in Wranglers are known for cracking and leaking at the seams. It is not a matter of if it will...

Introducing the Mishimoto Coolant Expansion Tank for the 2023+ Toyota GR Corolla. This direct-fit solution boasts all-aluminum construction that won’t yellow, crack, or leak with repeated heat cycles like the stock plastic tank will. Internal baffles...

Mishimoto has developed an aluminum expansion tank for the 2015-2020 Ford F-150 to replace the weak and unsightly plastic OEM tank. Anyone who's ever worked on an aging vehicle knows how brittle plastic pieces in the engine bay become. While the...