20574763 SP1 Compressor compatible with Volvo B9R D9B

What does a twin cylinder compressor do?

This twin cylinder compressor serves as a critical component within the air brake system of heavy commercial vehicles, utilizing two piston-cylinder assemblies to provide high-volume air output. Engineered with heavy-duty grade materials, it ensures efficient air reservoir replenishment for demanding operational cycles. The unit features a water-cooled design to maintain thermal stability during sustained heavy-duty operation.

Vehicle and engine compatibility

This specific compressor is compatible with Volvo B9R vehicles equipped with D9B engines. It is designed to match the specific requirements of the vehicle's pneumatic system, ensuring seamless integration with existing engine cooling circuits and drive configurations.

Installation and maintenance guidance

Installation requires careful attention to the water inlet and outlet ports, which feature M16x1.5 connections. Technicians should verify that the water cooling lines and the M26x1.5 air outlet port are correctly aligned with the vehicle's existing plumbing to prevent leaks or pressure drops during operation.

Maintenance and troubleshooting

To ensure optimal performance, check the water-cooled valve plate and unloader port during routine maintenance intervals. Proper mounting of the through-drive assembly is essential for maintaining consistent compression cycles without vibration issues.

OE cross-reference

1300 185 002 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20574763SP1.