2006 Audi S4 Cap. Reservoir. Cover. Engine Coolant - 8E0121321

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Cap. Reservoir. Cover. Engine Coolant. Radiator.
This Fits Your 2006 Audi S4

Part Number: 8E0121321
Supersession(s): 8E0-121-321

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A Cover that prevents foreign debris from entering the container. Location-Reservoir. Radiator Cap.

Radiator CapEngine Coolant Reservoir Cap

Fits A4, A6, A7, A7 Sportback, A8, allroad, S4, S6, S8

1.8 LITER. 2.7 LITER V6. 3.0 LITER. 3.0 LITER V6. 3.2 LITER. 4.2 LITER, 2004-06. 4.2 LITER, 2007-10. 4.2 LITER, MAIN. 5.2 LITER, MAIN. 6.0 LITER, PRIMARY. A8. EXPANSION TANK CAP; A6. EXPANSION TANK CAP; S6. S8.
Engine Coolant Expansion Tank - Repair or Replace
A failed expansion tank can cause the cooling system in your 2006 Audi S4 to leak antifreeze, or it can cause your engine to overheat. If you're losing coolant, contact our service department to avoid engine damage.