21965253 S3 Clutch Servo Repair Kit for Volvo FMX

What does a clutch servo repair kit do?

This clutch servo repair kit is engineered to restore the efficiency of the clutch actuation system in heavy commercial vehicles. By replacing worn internal components, it helps maintain consistent pressure and smooth gear transitions, preventing premature system failure under heavy loads.

Vehicle and engine compatibility

This specific kit is compatible with Volvo FMX models equipped with D13C engines, as well as a wide range of Volvo FM models including the FM 460, FM 480, and FM 440. It serves as a precise solution for maintaining the clutch servo assembly within these heavy-duty vehicle architectures.

Installation and maintenance guidance

For optimal performance, technicians should inspect the cylinder bore and piston surface during installation. If the piston surface is scored, a complete kit including the piston and pushrod may be required instead of a standard sealing kit. Ensuring all seals and O-rings are seated correctly is vital for maintaining pneumatic or hydraulic pressure.

Troubleshooting and selection

Regular inspection of the clutch servo assembly can prevent unexpected downtime in fleet operations. Consult your authorized distributor to ensure correct fitment for your specific engine configuration.

OE cross-reference

306.01.0012.03 (Clutch Servo Repair Kit) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21965253S3.