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A properly functioning car expansion tank plays a vital role in your engine’s cooling system by providing space for coolant to expand and contract as temperatures change. If an expansion tank becomes cracked, discoloured, or starts leaking, it can lead to loss of coolant, overheating, and longer‑term engine damage. Replacing a worn or damaged tank with a quality part helps maintain correct coolant levels and keeps your engine operating at its best.
The coolant expansion tank replacements in this range are designed for durability and performance. With options for a wide range of cars, including VW, Fiat 500, and BMW expansion tanks, you’re sure to find what you need in this range. Simply use the car reg lookup tool above to find the right fit for your vehicle, or get in touch for a recommendation — we’re always happy to help.
While you’re here, why not explore our wider range of cooling and heating products? As well as our engine essentials, we stock a variety of air conditioning and heater parts.
Buy a coolant expansion tank for your car from Opie Oils today and benefit from free UK delivery on orders over £80, with car parts you can trust.
