20775224 SP1 Twin Cylinder Compressor for Volvo B9TL

What does a twin cylinder compressor do?

This twin cylinder compressor serves as a vital component within the air brake system, providing the necessary compressed air for braking and pneumatic operations. Engineered with high-strength components, this unit is designed to maintain consistent pressure even under the demanding thermal loads typical of heavy commercial vehicle service.

Vehicle and engine compatibility

This specific model is compatible with Volvo B9TL vehicles equipped with D9B engines. It is designed to integrate seamlessly into the vehicle's existing pneumatic circuit, ensuring reliable performance for fleet managers and workshop technicians alike. Check the compatibility list to verify exact fitment.

Installation and maintenance

Technicians should note that this is a water-cooled unit with a through drive configuration. Installation requires connecting the M16x1,5 water inlet and outlet ports to the engine's coolant circuit to ensure proper thermal management. The unit features an M26x1,5 air outlet port and an M12x1,5 unloader port for precise system regulation.

Troubleshooting and selection

Regular inspection of the water connections and air ports is recommended to prevent leaks or overheating. When replacing, always verify that the drive gear and mounting interface match the original equipment specifications to ensure optimal performance.

OE cross-reference

1300 185 002 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20775224SP1.