2015 Audi A3 1.8L A/T FWD Prestige Convertible Cap. Reservoir. Cover. Drive Motor Inverter - 5Q0121321

Cap. Reservoir. Cover. Drive Motor Inverter Coolant. Radiator.

Part Number: 5Q0121321
Supersession(s): 3C0121321; 5Q0-121-321

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Cap for the Hybrid Inverter Coolant Reservoir. From 12/23/2015. Inverter Cooling. Location-Reservoir. Radiator Cap. To 03/13/2017. To 05/25/2017.

Radiator CapEngine Coolant Reservoir CapDrive Motor Inverter Coolant Reservoir Cap

Fits A3, A3 Sportback e-tron, A8, Q3, RS3, S3, S7 Sportback, S8, TT, TTS

Engine Coolant Expansion Tank - Repair or Replace
A failed expansion tank can cause the cooling system in your 2015 Audi A3 to leak antifreeze, or it can cause your engine to overheat. If you're losing coolant, contact our service department to avoid engine damage.