2019 Audi A4 2.0L A/T Quattro Engine Coolant Reservoir - 8W0121405L

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Engine Coolant Reservoir

Part Number: 8W0121405L
Supersession(s): 8W0-121-405-L; 8W0121405G

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Engine Coolant Reservoir. Expansion tank.
A container that holds Engine Coolant.

Fits A4, A4 allroad, A5, A5 Sportback

2.0 LITER. 2017-20. 2017-2019, AUTO TRANS. 2017-2019, MANUAL TRANS. 2021-24. 45 TSFI. A4. A4 Allroad. A4 Quattro. A5; 01/14/19 - 06/18/20. A5; From 06/18/20. A5; To 01/14/19. CONVERTIBLE, 2.0 LITER. Coupe, 2.0 LITER.
Engine Coolant Expansion Tank - Repair or Replace
A failed expansion tank can cause the cooling system in your 2019 Audi A4 to leak antifreeze, or it can cause your engine to overheat. If you're losing coolant, contact our service department to avoid engine damage.