20842990 Volvo FM9 Twin Cylinder Compressor

What does a twin cylinder compressor do?

This twin cylinder compressor serves as a vital component within the pneumatic braking system, providing the necessary air pressure for heavy commercial vehicle operations. Designed for high-capacity air generation, this unit utilizes a water-cooled design to maintain optimal operating temperatures during sustained heavy-duty use, ensuring long-term reliability in demanding environments.

Vehicle compatibility and engine fitment

This specific model is compatible with Volvo FM9 trucks, including various configurations such as the FM 9/260, FM 9/340, FM 9/300, and FM 9/380. It is engineered to meet the rigorous requirements of these heavy commercial vehicles by delivering consistent air output through its high-strength components.

Installation and maintenance guidance

Technicians should note the technical specifications during installation, including the Ø35 air inlet port and the M26x1.5 air outlet port. The unit features a water-cooled valve plate and an M16x1.5 unloader port to facilitate precise system integration. Regular inspection of the cooling circuit and port connections is recommended to maintain peak performance.

System integration and troubleshooting

When replacing this unit, ensure the cooling lines are clear and the water inlet and outlet ports are properly secured to prevent leaks in the engine cooling circuit.

OE cross-reference

1300 180 001 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20842990.