Shop 2021 Audi A5 Cap. Reservoir. Cover. Engine Coolant. Radiator. 3.0 LITER, MAIN. 3.6 LITER. DIESEL MAIN, LITER, Cooling - OEM Audi Part # 1J0121321B (1J0-121-321-B)

A Cover that prevents foreign debris from entering the container. From Chassis/VIN 8D-T-308 001. From Chassis/VIN 8D-T-309 403. Location-Reservoir. Radiator Cap.

Radiator CapEngine Coolant Reservoir Cap

3.0 LITER, MAIN. 3.6 LITER. DIESEL, MAIN. GAS, MAIN. Touareg.
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.