20845313 Volvo B9L D9B Twin Cylinder Compressor

What does a twin cylinder compressor do?

This water-cooled twin cylinder compressor plays a vital role in the pneumatic braking system of heavy commercial vehicles. By utilizing a dual-cylinder design, it delivers a higher air output to meet the high-capacity demands of intensive operations. Built with heavy-duty grade materials, it ensures reliable performance and long-term durability under sustained engine load.

Compatibility with Volvo B9L

This specific unit is compatible with Volvo B9L trucks equipped with D9B engines. It is designed to integrate seamlessly into the engine's cooling circuit to manage thermal loads effectively during heavy-duty use.

Installation and maintenance

For correct installation, technicians should verify the M26x1.5 outlet port and M16x1.5 water inlet/outlet ports. This model includes an ESS feature and a water-cooled valve plate to maintain optimal operating temperatures and pressure stability.

System performance and selection

Regular inspection of the air inlet port and unloader port is recommended to prevent system contamination and ensure efficient air delivery throughout the braking circuit.

OE cross-reference

1300 180 003 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20845313.