303.01.0019.01 WABCO Repair Kit, Relay Valve

This specialized repair kit is essential for maintaining the optimal performance of relay valve systems within heavy commercial vehicle brake systems. It is engineered to ensure precision and durability during operation, providing a reliable solution for workshop technicians and fleet managers facing component wear.

The 303.01.0019.01 is the OE equivalent of the WABCO 4730170000S1 relay valve used in heavy-duty vehicle systems such as RENAULT TRUCKS, MAN, SCANIA, and VOLVO. This high-strength component ensures seamless integration within the pneumatic braking system of the vehicle.

Maintenance of the relay valve with this kit helps prevent pressure drops and ensures consistent braking response. It is designed for professional installation by workshop technicians to maintain the integrity of the braking circuit under heavy-duty loads.

This product is fully compatible with several major manufacturers including IVECO, DAF, NEOPLAN, and MERCEDES BENZ, as well as specialized systems from WABCO and LIEBHERR or O&K equipment.