2003 Subaru WRX Cap Reserve Tank. Engine, Cooling, Expansion - 45155XC00A

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2003 WRX: All Products
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Cap Reserve Tank
This Fits Your 2003 Subaru WRX

Part Number: 45155XC00A

CAP-RESERVE TANK Radiator Cap

Fits Ascent, Legacy, Outback

Engine Coolant Expansion Tank
A failed expansion tank can cause the cooling system in your 2003 Subaru WRX to leak antifreeze, or it can cause your engine to overheat. If you're losing coolant, contact our service department to avoid engine damage.