1100 025 001 Twin Cylinder Air Compressor for Mercedes-Benz

What does a twin cylinder compressor do?

This twin cylinder compressor serves as a critical engine-driven component within the air brake system of heavy commercial vehicles. By utilizing two piston-cylinder assemblies, it generates a higher volume of compressed air compared to single-cylinder units, ensuring rapid reservoir replenishment during heavy braking or high-demand pneumatic operations. It is constructed from high-strength components to withstand continuous high-pressure cycles.

Vehicle compatibility and technical specifications

This specific unit is compatible with Mercedes-Benz vehicles and is suitable for heavy commercial applications such as tractor units and buses. The design incorporates water cooling to manage thermal loads effectively during operation. The component features a 636cm³ swept volume and an M26x1.5 thread for both air inlet and outlet ports.

Installation and maintenance guidance

For proper installation, technicians should ensure the water inlet and outlet ports (M16x1.5) are correctly connected to the cooling circuit to prevent overheating. Regular inspection of the water-cooled valve plate and connection seals is recommended to maintain optimal compression efficiency and prevent pressure drops in the pneumatic circuit.

System integration and troubleshooting

When replacing this unit, verify that the mounting interface and through drive configuration match the existing system requirements to ensure seamless integration into the vehicle's air brake network.

OE cross-reference

1100 025 001 (Twin Cylinder Compressor) is the equivalent of the Mercedes-Benz and WABCO OE numbers. This part directly replaces Mercedes-Benz OE number 4571304715. It also replaces WABCO OE number 9115532030.