303.10.0003 Gearbox Valve for Volvo Trucks

What does a gearbox valve do?

This gearbox valve plays a critical role in the transmission system by managing fluid or air pressure to facilitate gear shifts. Built with high-strength components, it ensures reliable operation under the demanding conditions found in heavy commercial vehicle transmissions.

Compatible Volvo models and engines

This component is specifically designed for Volvo models including the F10, F12, F7, FL10, FL12, N10, N12, NL10, NL12, B10B, B10M, and B12 engines such as TD100, TD122, and D12A. It is also fitted to DAF, PACCAR, and Scania trucks.

Installation and maintenance

Installation requires precise alignment of the M10x1 ports to ensure a secure connection within the gearbox housing. Technicians should verify the lever length of 42 mm and check all seals during installation to maintain optimal system pressure.

Troubleshooting guidance

Maintaining regular inspections of transmission valves helps prevent shifting issues. Checking for leaks around the M10x1 threads can prevent pressure drops in the transmission system.

OE cross-reference

303.10.0003 (Gearbox Valve Transmission Valve) is the equivalent of the DAF, PACCAR, Scania, Volvo and WABCO OE numbers. This part directly replaces DAF OE number 642909. It also replaces PACCAR OE number 1505079, Scania OE number 1934912, Volvo OE numbers 267859, 268759 and WABCO OE number 4630220200.