Precision-made cover parts for the standard-size windshield washer fluid reservoir deliver a neater appearance, a reliable seal, and leak prevention. Material and protection The protective design blocks dirt from entering and shields the inner components of the radiator cover. The surface coating simplifies daily cleaning and maintenance, helping keep the components clean and organized. Installation The cover mounts directly on the windshield washer reservoir. Simply place it on to secure it. No heavy or complicated tools are required. Function The radiator cap provides a seal under normal operating conditions and helps prevent coolant leaks. Use scenarios - Routine vehicle maintenance: install to improve appearance and protect the reservoir and radiator area during servicing. - Aftermarket upgrade or replacement: a practical fit for upgrading or replacing worn covers to maintain seal integrity. - Seasonal protection: helps maintain sealing performance in varying temperatures and conditions, reducing the risk of leaks.