A0002959406 Clutch Master Cylinder for Mercedes-Benz

What does a clutch master cylinder do?

This clutch master cylinder serves as the critical component in the hydraulic clutch system, converting the mechanical force applied to the clutch pedal into hydraulic pressure. This pressure is then transmitted through the hydraulic lines to the slave cylinder to facilitate smooth gear engagement. Built with high-strength components, this unit ensures consistent performance under heavy-duty operating conditions.

Vehicle compatibility and fitment

This part is compatible with Mercedes-Benz vehicles. It is specifically designed to meet the rigorous demands of heavy commercial vehicle systems, ensuring that the mechanical-to-hydraulic transition remains precise and durable throughout its service life.

Installation and maintenance guidance

For proper installation, technicians should verify that the Ø 23.81 mm port matches the existing hydraulic line specifications. When replacing the unit, it is essential to ensure the mounting hardware is secure and that no air remains trapped in the hydraulic circuit to prevent spongy pedal feel.

Troubleshooting and selection

If you notice a decrease in pedal resistance or fluid leaks around the push rod, it may be time to inspect the entire hydraulic circuit. Consult your authorized distributor to confirm exact fitment for your specific vehicle model.

OE cross-reference

306.02.0046 (Master Cylinder) is the equivalent of the Mercedes-Benz OE number. This part directly replaces Mercedes-Benz OE number A0002959406.