20866605 SP1 Compressor compatible with Volvo FM9 D9B

What does a twin cylinder compressor do?

This twin cylinder compressor is a critical component within the pneumatic braking system, responsible for providing consistent air pressure for the vehicle's braking and auxiliary functions. Built with high-strength components, it ensures reliable performance even under the high thermal loads typical of heavy commercial vehicle operations.

Vehicle and engine compatibility

This specific unit is designed for use in Volvo FM9 trucks equipped with D9B engines. It features a water-cooled design to maintain thermal stability during long hauls and includes an integrated ESS feature. The unit provides a swept volume of 704cm³ and utilizes an M26x1,5 air outlet port to match original system requirements.

Installation and maintenance

For proper installation, technicians should verify that the water inlet and outlet ports (M16x1,5) align with the engine's coolant circuit. It is essential to confirm that the through-drive mechanism and the M12x1,5 air unloader port match the existing installation to prevent system leaks or mechanical misalignment.

Selection guidance

When replacing this unit, always cross-reference the existing component's identification to ensure exact fitment regarding port locations and drive gear compatibility.

OE cross-reference

1300 185 002 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20866605SP1.