31273188 Volvo FL12 Master Cylinder

What does a master cylinder do?

This master cylinder plays a critical role in the hydraulic clutch system by converting pedal pressure into hydraulic force. Built with heavy-duty grade materials, it ensures consistent pressure transmission to the slave cylinder, facilitating smooth gear transitions and preventing premature clutch wear.

Compatible vehicles and engines

This component is specifically designed to fit Volvo FL12 trucks featuring TD123 engines. It maintains optimal hydraulic performance under the high-stress conditions typical of heavy commercial vehicle operations.

Installation and maintenance

During installation, technicians should verify that the Ø23.81 mm port is free of debris and that all hydraulic lines are properly aligned. Regular inspections of the seals and piston movement are recommended to prevent spongy pedal feel or delayed engagement.

Troubleshooting and selection

To ensure system integrity, check for any signs of fluid leakage around the cylinder body or connection points during routine maintenance intervals.

OE cross-reference

306.02.0070 (Master Cylinder) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 31273188.