1100 220 020 Mercedes-Benz Compatible Twin Cylinder Compressor

What does a twin cylinder compressor do?

This water-cooled 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, this unit delivers a higher air output compared to single-cylinder alternatives, ensuring rapid reservoir inflation and consistent pressure for demanding braking operations.

Vehicle and engine compatibility

Designed for high-performance requirements, this unit is compatible with Mercedes-Benz vehicles. It features a through-drive design, an air unloader port with M12x1,5 threading, and an integrated ESS feature for optimized system management. The construction utilizes heavy-duty grade materials to withstand the intense thermal and mechanical stresses encountered in heavy commercial vehicle service.

Installation and maintenance guidance

For professional installation, technicians should verify that the water inlet (M14x1,5) and outlet (M16x1,5) ports align with the existing cooling lines. Ensuring the M26x1,5 air outlet port is correctly torqued and the water-cooled valve plate is seated properly is essential for preventing pressure drops or leaks during operation.

Troubleshooting and system care

Maintaining proper coolant flow through the water jacket is vital to prevent overheating of the internal components. If air output decreases or pressure takes longer to build, inspect the unloader port and cooling connections to ensure the system remains efficient throughout its service life.

OE cross-reference

1100 220 020 (Twin Cylinder Compressor) is the equivalent of the Mercedes-Benz and WABCO OE numbers. This part directly replaces Mercedes-Benz OE number 9061301615SP2. It also replaces WABCO OE number 4126360010SP1.