20478151 SP1 Twin Cylinder Compressor for Volvo FM9

What does a twin cylinder compressor do?

This twin cylinder compressor plays a critical role in the pneumatic braking system of heavy commercial vehicles by generating the necessary compressed air pressure. Designed with high-strength components, this unit ensures consistent performance under demanding operating conditions. The water-cooled design allows the unit to maintain thermal stability during sustained high-demand cycles, making it ideal for heavy-duty service.

Vehicle and engine compatibility

This specific compressor is compatible with Volvo FM9 trucks equipped with D9A engines. It is engineered to meet the requirements of the engine's cooling circuit and drive mechanism, ensuring seamless integration within the vehicle's existing air system architecture.

Installation and technical specifications

Technicians should note that this is a water-cooled unit featuring a water inlet and outlet port size of M16x1,5. The air outlet port is M26x1,5, and the air inlet port measures Ø35. For correct installation, verify that the through-drive gear and mounting flange align perfectly with the engine's specifications.

Maintenance and selection guidance

To ensure proper system longevity, always check that the unloader port (M16x1,5) and ESS features match the original equipment requirements during replacement.

OE cross-reference

1300 180 002 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20478151SP1.