2007 Audi S4 Cap - 443121321 | Audi Huntsville, Huntsville AL

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Cap.
This Fits Your 2007 Audi S4

Part Number: 443121321
Supersession(s): 443-121-321

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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 2007 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.

RADIATOR & COMPONENTS.

Full Diagram

Required: 1

4 CYLINDER. auto trans. from pump. lower. manual trans. to oil cooler. to reservoir. upper.

4 CYLINDER. Cap.

RADIATOR & COMPONENTS.

Full Diagram

#21

Required: 1

1997-99. 4. 2 liter. Front. Rear. Reservoir to pipe. Side. To reservoir.

1997-99. 4.2 LITER. Reservoir cap.

RADIATOR & COMPONENTS.

Full Diagram

Required: 1

2. 8 liter. 6 cylinder. Auto TRANS. Center. From pump. Front. Lower. Manual TRANS. Rear. To oil cooler. To reservoir. Upper.

2.8 LITER. 6 CYLINDER. Cap.

RADIATOR & COMPONENTS.

Full Diagram

#21

Required: 1

3. 7 liter. Front. Rear. Reservoir to pipe. Side. To reservoir.

3.7 LITER. Reservoir cap.

RADIATOR & COMPONENTS.

Full Diagram

#16

Required: 1

2000-03. 4. 2 liter. At radiator. Oil cooler pipe. Radiator pipe. Reservoir lower. Reservoir upper. To oil cooler. To radiator. Type 1. Type 2. Water drain.

2000-03. 4.2 LITER. Reservoir cap.

FAN. RADIATOR.

Full Diagram