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Reservoir, Overflow, and Expansion Tanks

Direct-fit and universal options
Aluminum construction
Multiple color and finish options
Lifetime Warranty

Shop all Reservoir, Overflow, and Expansion Tanks

Reservoir, Overflow, and Expansion Tanks

Direct-fit kits

Mishimoto direct-fit expansion tanks are designed for a bolt-in install.

Multiple colors and finishes

Mishimoto reservoir, overflow, and expansion tanks are available in a variety of colors and finishes to spice up your engine bay.

Aluminum construction

Mishimoto overflow, reservoir, and expansion tanks are 100% aluminum and TIG-welded where applicable for increased durability.

Lifetime Warranty

All Mishimoto products carry a lifetime warranty including accident protection.

Click to Mishimoto Lifetime Warranty