20773343 SP1 Volvo FM9 D9B Twin Cylinder Compressor

What does a twin cylinder compressor do?

This twin cylinder compressor is a critical component of the pneumatic braking system, designed to provide consistent air pressure for heavy commercial vehicle operations. Built with high-strength components, this water-cooled unit ensures thermal stability during sustained high-demand cycles, making it suitable for demanding transport environments.

Compatibility with Volvo FM9 engines

This specific model is engineered for Volvo FM9 vehicles equipped with D9B engines. It features a through-drive configuration and is compatible with the engine's cooling circuit via M16x1,5 water inlet and outlet ports. For precise fitment, ensure the M26x1,5 air outlet and M16x1,5 unloader port configurations match the existing installation.

Installation and maintenance guidance

Technicians should verify that the drive gear and mounting flange align perfectly with the engine interface before installation. When replacing the unit, check that the water-cooled valve plate and ESS features are consistent with the original equipment to maintain system integrity and prevent air leaks.

Technical verification for fitment

Consult your authorized distributor.

OE cross-reference

1300 180 002 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20773343SP1.