303.01.0001.03 Volvo Relay Valve Repair Kit

What does a relay valve repair kit do?

This relay valve repair kit is engineered to restore the efficient operation of pneumatic braking systems in heavy commercial vehicles. By using high-strength components, this kit helps maintain optimal air pressure regulation within the braking circuit, ensuring safety and reliability during operation.

Compatible Volvo models and engines

This kit is specifically designed for Volvo vehicles, including models such as the F10, N12, B10M, F12, FL10, FL12, B10B, F7, NL10, B12, and NL12. It is also fitted to other heavy commercial vehicles such as Mercedes-Benz, MAN, Scania, DAF, Iveco, and Renault Trucks. This component is compatible with WABCO systems.

Installation and maintenance guidance

For optimal performance, technicians should inspect the valve body for wear before installation. Proper maintenance of the relay valve ensures consistent brake response times. Check the compatibility list for specific engine matches like TD120 or D10A to ensure a correct fit during service.

Troubleshooting and selection

Regular inspection of the pneumatic system can prevent unexpected downtime. When replacing components, always ensure that all seals are seated correctly to prevent air leaks within the braking system.

OE cross-reference

303.01.0001.03 (Relay Valve Repair Kit Relay Valves) is the equivalent of the DAF, Iveco, MAN, Mercedes-Benz, Renault Trucks, Volvo and WABCO OE numbers. This part directly replaces DAF OE number 802144. It also replaces Iveco OE numbers 2968774, 9982371, MAN OE numbers 81521166040, 99014360808, Mercedes-Benz OE number 0005865742, Renault Trucks OE numbers 5021170450, 7701004735, Volvo OE number 272517 and WABCO OE number 9730010002.