A4571306915 Mercedes-Benz O 403 OM 457 LA Compressor equivalent

What does a twin cylinder compressor do?

This twin cylinder compressor serves as a critical component in the pneumatic brake system of heavy commercial vehicles, ensuring rapid and reliable pressure buildup. Built with high-strength components, it is engineered to meet the high air consumption demands of specialized bus and truck applications. The unit features a water-cooled design to maintain optimal operating temperatures during continuous use.

Vehicle and engine compatibility

This specific model is compatible with Mercedes-Benz O 403 and O 403 SHD models equipped with the OM 457 LA engine. It is designed to integrate seamlessly with the existing engine mounting and cooling circuit, providing a direct replacement for original equipment requirements.

Installation and maintenance guidance

For proper installation, technicians should verify the M26x1.5 inlet and outlet port sizes and ensure the water inlet/outlet ports (M16x1.5) are correctly connected to the engine cooling loop. Maintaining the air dryer and ensuring clean air intake is essential for extending the service life of this water-cooled unit.

Selection and replacement advice

When replacing this compressor, it is vital to match the drive gear type and mounting interface exactly to avoid system mismatching. Consult your authorized distributor.

OE cross-reference

1100 255 001 (Twin Cylinder Compressor) is the equivalent of the Mercedes-Benz OE number. This part directly replaces Mercedes-Benz OE number A4571306915.