8A0 121 403 A : Coolant expansion tank for Audi 100

This coolant expansion tank is the original coolant reservoir specified for the Audi 100. As part of the restoration or routine maintenance of this classic vehicle, replacement is necessary as soon as the reservoir shows cracks, leaks or plastic degradation liable to compromise the tightness of the cooling circuit. This new part restores a reliable cooling circuit that complies with original specifications. Careful replacement helps preserve engine longevity and the heritage value of the vehicle.