Collection: Expansion Tanks

Expansion Tanks – Replacement Coolant Reservoirs & Components

Shop replacement coolant expansion tanks and related cooling system components at Shop4AllParts. Explore vehicle-specific coolant reservoirs, breather hoses and mounting parts for compatible cars, SUVs, vans and commercial vehicles.

A coolant expansion tank accommodates changes in coolant volume as the engine heats up and cools down. Depending on the vehicle’s cooling system design, the tank may also provide a coolant filling point or a way to monitor the coolant level.

Our collection includes replacement coolant expansion tanks, expansion-tank breather hoses and selected mounting components from automotive parts manufacturers.