493.02.0008 Exhaust Brake Cylinder for MAN, Mercedes-Benz, Scania

What does an exhaust brake cylinder do?

This exhaust brake cylinder functions as a critical component within the engine's exhaust-restriction braking system. By regulating exhaust gas flow to increase in-cylinder pressure, it assists in slowing down heavy commercial vehicles during long descents or when driving under heavy loads. This component is manufactured using high-strength components to withstand demanding operating conditions.

Compatible vehicle brands

The part is designed for compatibility with MAN, Mercedes-Benz, and Scania trucks. It serves as an essential part of the engine brake system to ensure safety and efficiency in tractor units and buses. Check the compatibility list to confirm fitment.

Installation and maintenance

For proper maintenance, technicians should inspect the cylinder during routine engine service intervals. Ensuring the seals and actuator mechanisms are free from debris helps maintain consistent braking performance. Proper installation ensures the component integrates seamlessly with the existing exhaust brake valve assembly.

Troubleshooting guidance

Regular monitoring of the exhaust system helps prevent premature wear of engine braking components. If braking performance diminishes during descents, inspecting this cylinder for leaks or mechanical resistance is a recommended diagnostic step.

OE cross-reference

493.02.0008 (Exhaust Brake Cylinder) is the equivalent of the MAN, Mercedes-Benz and Scania OE numbers. This part directly replaces MAN OE number 85500014556. It also replaces Mercedes-Benz OE number 0003001261 and Scania OE number 1335960.