VW Golf Mk5 2003-2010 Brake Fluid Reservoir Expansion Header Tank Vehicle Model_Volt are an important safety and

are an important safety and convenience feature on your Audi R8

E Number (4H0919275A

are an important safety and convenience feature on your VW Passat

Designed for serious motorsport performance on heavily-driven Fiat Seicento vehicles

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VW Golf Mk5 2003-2010 Brake Fluid Reservoir Expansion Header Tank Vehicle Model_Volt are an important safety andOne of the lesser known parts on your VW Golf is the coolant expansion tank. This component is responsible for catching and storing coolant overspill from the vehicle's radiator. The coolant in your vehicle is designed to prevent the engine from overheating. As it reaches its optimal operating temperature, it expands and can overflow. The expansion reservoir collects this excess fluid and stores it safely instead of letting it spill onto the road. How