Shop 2019 Audi A5 Radiator Cap. 3.0 LITER, W/O E-HYBRID. 4.0 LITER W/O E-HYBRID. 4.0 LITER, 4.0 LITER W LITER, E-HYBRID - OEM Audi Part # PAB121321B (PAB-121-321-B, PAB12132100)

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

Radiator CapEngine Coolant Reservoir Cap

Fits Cayenne

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