3A0 121 063 : Coolant hose for Volkswagen Passat B4

This coolant hose is a replacement part intended for the Volkswagen Passat B4. It ensures the circulation of coolant between the expansion tank, the regulation housing and the supplementary coolant pump. As part of the restoration or maintenance of a classic vehicle, replacing this type of hose is an essential step to prevent any engine overheating and maintain the cooling circuit in perfect working order. A new and compliant part to preserve the reliability of your Passat B4.