Buy 2020 Porsche 718 Boxster Radiator Cap. 2.9 LITER. 3.0 LITER, W/E-HYBRID. 4.0 LITER W/E-HYBRID LITER, E-HYBRID - OEM Porsche Part # PAB121321A (PAB-121-321-A)

End Cap. Radiator Cap. Reservoir Cap.
Location-Reservoir. Radiator Cap.

Engine Coolant Reservoir Cap

Fits Cayenne

2.9 LITER. 3.0 LITER, W/E-HYBRID. 4.0 LITER W/E-HYBRID. EXPANSION TANK CAP; Cayenne.
Engine Coolant Expansion Tank - Repair or Replace
A failed expansion tank can cause the cooling system in your 2020 Porsche 718 Boxster to leak antifreeze, or it can cause your engine to overheat. If you're losing coolant, contact our service department to avoid engine damage.