2023 Subaru Legacy Radiator Cap. Cap Reserve Tank. Engine - 45155XC00A

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Radiator Cap. Cap Reserve Tank.

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 2023 Subaru Legacy to leak antifreeze, or it can cause your engine to overheat. If you're losing coolant, contact our service department to avoid engine damage.