Buy OEM 1985 Audi Part # 443121321 (443-121-321). Cap. 3.7 LITER. 4 CYLINDER. 4.2 LITER, 1997-99. 4.2 LITER, 2000-03. 5 CYLINDER, cap. 6 CYLINDER, 2.8 LITER. W/o AC. Engine Coolant

A cover that prevents foreign debris from entering the container. Exc.Air Cond. Location-Reservoir. Mexico Built Vehicle. Radiator Cap. To Chassis/VIN 1G-L-006 600. To Chassis/VIN 8D-T-308 000. To Chassis/VIN 8D-T-309 402. Closure. Cover. Engine Coolant Reservoir. Expansion tank. Radiator.

Radiator CapEngine Coolant Reservoir Cap

3.7 LITER. 4 CYLINDER. 4.2 LITER, 1997-99. 4.2 LITER, 2000-03. 5 CYLINDER, cap. 6 CYLINDER, 2.8 LITER. W/o AC.
Engine Coolant Expansion Tank - Repair or Replace
A failed expansion tank can cause the cooling system in your 1985 Audi to leak antifreeze, or it can cause your engine to overheat. If you're losing coolant, contact our service department to avoid engine damage.