21206430 Volvo FMX D11K Clutch Servo

What does a clutch servo do?

This clutch servo plays a critical role in the pneumatic or hydraulic actuation of the clutch system, ensuring smooth gear transitions and reduced driver fatigue. Built with high-strength components, it is designed to withstand the intense pressure and thermal cycles encountered in heavy commercial vehicle operation.

Vehicle and engine compatibility

This component is specifically fitted to Volvo FMX trucks utilizing D11K engines. It also serves various Volvo FM series models including the FM 300, FM 340, FM 360, FM 370, FM 390, FM 400, FM 410, FM 420, FM 430, FM 440, FM 450, FM 460, and FM 480, as well as the FM 500 model. Consult your authorized distributor for exact fitment.

Installation and maintenance guidance

During installation, technicians should ensure that all connection points are free of debris and that the mounting surface is perfectly flush to prevent leaks. Regular inspection of the seals and air/fluid lines is recommended to maintain optimal pedal feel and prevent sudden loss of pressure.

Troubleshooting guidance

If the clutch engagement feels inconsistent or if there is a noticeable drop in pressure within the system, it may indicate internal wear within the servo mechanism.

OE cross-reference

306.01.0012 (Clutch Servo) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21206430.