Sourced from the Halo Car Audi R8 this coolant cap add a unique styling touch that will give your engine bay a whole new character. Replace your blue coolant cap with this polished aluminum upgrade.
The coolant expansion tank cap keeps necessary pressure on your coolant to increase efficiency. If you have an overheating issue in your vehicle, a simple, quick, and inexpensive part to replace is this cap.
Often times, the coolant is not kept under enough pressure to keep it from boiling or expanding too much. This cap keeps all the heat and liquid inside the coolant system for maximum efficiency. Should be replaced each time major coolant system service is performed.
Dress up your engine bay and return functionality with a new coolant cap.
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