20842990 SP1 Compatible Twin Cylinder Compressor for Volvo FM9

What does a twin cylinder compressor do?

This twin cylinder compressor serves as a critical component in the pneumatic braking system of heavy commercial vehicles, providing the necessary compressed air for safe operation. Engineered with high-strength components, this unit is specifically designed to maintain thermal stability through its water-cooled design, making it suitable for demanding long-haul applications where consistent air pressure is vital.

Vehicle and engine compatibility

This specific model is compatible with Volvo FM9 trucks equipped with D9A engines. It features a through-drive mechanism and includes an ESS feature for optimized performance. The unit is characterized by an Ø85.00 mm cylinder bore, a 62 mm stroke, and a total swept volume of 704cm³, ensuring efficient air delivery.

Installation and maintenance

For successful installation, technicians should verify that the water inlet and outlet ports (M16x1,5) match the existing engine cooling circuit. The air inlet port is Ø35 and the air outlet port is M26x1,5. It is recommended to check all mounting interfaces and drive gear specifications to ensure a precise fitment during replacement.

Selection guidance

When replacing an existing unit, always cross-reference the removed compressor's technical specifications and mounting patterns to ensure seamless integration with the vehicle's air system.

OE cross-reference

1300 180 002 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20842990SP1.