Buy 1986 Subaru RS Radiator Cap. Reserve Tank Cap. Engine Coolant Expansion Tank A failed expansion - OEM Subaru Part # 45153GA090 (45153GA070, 45153GA080)

CAP-RESERVE TANK Radiator Cap

Fits DL, GL, GL10, RS, RX

Engine Coolant Expansion Tank
A failed expansion tank can cause the cooling system in your 1986 Subaru RS to leak antifreeze, or it can cause your engine to overheat. If you're losing coolant, contact our service department to avoid engine damage.