Buy Audi R8 Engine Coolant Reservoir. GAS, MAIN. Q7. R8. Engine Coolant Expansion Tank - Repair or - OEM Audi Part # 420121403 (420-121-403)

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

Engine Coolant Reservoir

Fits R8 (2008 - 2015)

GAS, MAIN. Q7. R8.
Engine Coolant Expansion Tank - Repair or Replace
A failed expansion tank can cause the cooling system in your Audi R8 to leak antifreeze, or it can cause your engine to overheat. If you're losing coolant, contact our service department to avoid engine damage.