20835246 Clutch Master Cylinder for Volvo FH16

What does a clutch master cylinder do?

This clutch master cylinder acts as the primary unit in the hydraulic actuation system, converting pedal mechanical force into precise hydraulic pressure. It is engineered to transmit this pressure through the hydraulic line to the slave cylinder, ensuring smooth gear engagement and reliable clutch operation for heavy-duty applications.

Vehicle and engine compatibility

Specifically designed for Volvo FH16 trucks equipped with D16C engines, this unit maintains optimal pressure under high-load conditions. It is also compatible with other heavy commercial vehicle brands including Mercedes-Benz, MAN, Scania, DAF, Iveco, and Renault Trucks.

Installation and maintenance

Technicians should verify the Ø28.57 mm port size and mounting dimensions during installation to ensure correct fitment. It is recommended to inspect the hydraulic lines and seals whenever replacing the master cylinder to prevent premature wear of the new unit.

System troubleshooting

Proper maintenance of the hydraulic system helps prevent air ingress and pressure loss, which are common causes of clutch slippage or difficult shifting.

OE cross-reference

306.02.0020 (Master Cylinder) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20835246.