303.05.0009.01 Trailer Control Valve Repair Kit for Volvo

What does a trailer control valve repair kit do?

This trailer control valve repair kit serves as an essential component for maintaining the integrity of the pneumatic braking system. By renewing internal sealing elements, this kit helps ensure consistent braking performance and prevents air leaks within the system. It is engineered to withstand the high-pressure environments typical of heavy commercial vehicle operation.

Compatible Volvo models and engines

This kit is designed to fit various Volvo models, including the F10, F12, F7, FL10, FL12, N10, N12, NL10, NL12, B10B, B10M, and B12 engines. It is also fitted to DAF, Iveco, MAN, Mercedes-Benz, and Scania trucks. For optimal performance, ensure the kit matches the specific valve type installed on the vehicle.

Installation and maintenance guidance

To ensure a proper fit during installation, technicians should evaluate the valve source and current symptoms such as air leaks or pressure drops. Replacing internal components like diaphragms or o-rings can extend the service life of the entire valve assembly. Always consult your authorized distributor to confirm exact compatibility before installation.

Troubleshooting and selection

Regular maintenance of control valves helps prevent sudden brake system failures in heavy commercial vehicles. Identifying the correct kit based on the valve's origin—such as WABCO systems—is critical for successful servicing.

OE cross-reference

303.05.0009.01 (Trailer Control Valve Repair Kit) is the equivalent of the DAF, Iveco, MAN, Mercedes-Benz, Scania, Volvo and WABCO OE numbers. This part directly replaces DAF OE number 1519330. It also replaces Iveco OE number 42542719, MAN OE number 81523016193, Mercedes-Benz OE number 0004303706, Scania OE numbers 1338893, 1464579, Volvo OE number 8127856 and WABCO OE number 9730090002.