A4701303815 Compatible Mercedes-Benz AROCS Air Compressor

What does a twin cylinder compressor do?

This twin cylinder compressor is a critical component within the air brake system of heavy commercial vehicles, designed to generate compressed air through two piston-cylinder assemblies. By utilizing two cylinders, this unit delivers higher air output than single-cylinder alternatives at the same engine speed, meeting the high air consumption demands of modern heavy-duty applications.

Compatibility and engine fitment

This specific model is designed for Mercedes-Benz AROCS trucks, specifically compatible with the OM 470 LA engine variants. The unit features a water-cooled design to manage thermal loads effectively during operation, ensuring consistent performance under heavy service conditions. It is compatible with Mercedes-Benz systems.

Technical specifications and features

Technical specifications include a cylinder bore of Ø92 / Ø60 mm, a stroke of 60 / 30 mm, and a swept volume of 490cm³. The assembly includes an M26x1.5 air outlet port, an M18x1.5 water inlet and outlet port, and is equipped with an ESS feature and a water-cooled valve plate to enhance system reliability.

Maintenance and installation guidance

For optimal service life, technicians should ensure that the intake filter and cooling system are maintained according to manufacturer intervals. When replacing the unit, verify that the drive type and mounting flange match the original equipment to ensure seamless integration into the vehicle's pneumatic system.

OE cross-reference

1100 390 001 (Twin Cylinder Compressor) is the equivalent of the Mercedes-Benz OE number. This part directly replaces Mercedes-Benz OE number A4701303815.