A3882950706 Mercedes-Benz Clutch Master Cylinder

What does a clutch master cylinder do?

The clutch master cylinder is a critical component in the hydraulic clutch system of heavy commercial vehicles. It converts the mechanical force applied to the clutch pedal into hydraulic pressure, which is then transmitted through the hydraulic lines to the slave cylinder to facilitate smooth gear engagement. This unit is manufactured with high-strength components to withstand the demanding operating conditions of heavy-duty vehicles.

Compatibility and fitment

This specific master cylinder is designed for compatibility with Mercedes-Benz vehicles. It serves as a complete replacement unit, including the housing, piston, sealing group, spring, and push rod. Utilizing a complete unit ensures factory-standard assembly and reliable performance compared to simple repair kits.

Installation and maintenance

For proper maintenance, technicians should inspect the hydraulic lines and seals during every clutch system service. When replacing this component, ensure that the mounting-hole spacing and port connections match the original requirements to prevent leaks or pressure drops in the hydraulic circuit.

Troubleshooting and replacement

If the pedal feels spongy or gear shifting becomes difficult, it may indicate internal seal wear or air in the system. Replacing the master cylinder as a complete assembly is often more efficient than attempting to overhaul individual seals in high-usage environments.

OE cross-reference

306.02.0029 (Master Cylinder) is the equivalent of the Mercedes-Benz OE number. This part directly replaces Mercedes-Benz OE number A3882950706.