Buy 2006 Audi A3 Engine Coolant Reservoir. Engine Coolant Expansion Tank - Repair or Replace A failed - OEM Audi Part # 1K0121407F (1K0-121-407-F, 1K0121407A)

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

Engine Coolant Reservoir

Fits A3, Q3, TT, TTS

Engine Coolant Expansion Tank - Repair or Replace
A failed expansion tank can cause the cooling system in your 2006 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.