8171720 Volvo FM 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 and effortless gear changes for the driver. Built with high-strength components, it provides the necessary force to overcome clutch spring tension, maintaining system reliability even under demanding heavy commercial vehicle operations.

Vehicle and engine compatibility

This part is specifically compatible with Volvo FM models, including the FM 360, 370, 380, 390, 400, 410, 420, 430, 440, and 450 variants. It is also fitted to Volvo FM II models such as the FM 370, 410, 420, 450, and 500. This ensures precise fitment across these specific heavy-duty truck series.

Installation and maintenance

For optimal performance, technicians should inspect the mounting points and connection ports during every service interval. Ensuring that the system is free of contaminants helps prevent premature wear of internal seals. If engagement feels heavy or inconsistent, a thorough inspection of the servo unit is recommended.

Troubleshooting guidance

Consult your authorized distributor to ensure correct application for your specific vehicle requirements.

OE cross-reference

306.01.0002 (Clutch Servo) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 8171720.