20866605 Volvo B9L D9B Twin Cylinder Compressor

What does a twin cylinder compressor do?

This twin cylinder compressor plays a critical role in the pneumatic braking system, ensuring consistent air pressure generation for heavy commercial vehicle operations. Designed for high-capacity output, this component utilizes a water-cooled mechanism to maintain optimal operating temperatures during sustained heavy-duty use, preventing overheating in the air circuit.

Vehicle and engine compatibility

This specific model is engineered to fit Volvo B9L vehicles equipped with D9B engines. Its robust construction is suitable for demanding professional environments where high air demand and rapid pressure recovery are essential for safety and performance.

Installation and maintenance

Technicians should note the technical specifications including the M26x1,5 air outlet port and M16x1,5 water inlet/outlet ports. This through-drive unit includes an ESS feature and a water-cooled valve plate to enhance operational longevity. When performing maintenance, ensure all connections to the engine cooling circuit are secure to maintain the integrity of the cooling process.

Selection guidance

Proper selection ensures seamless integration with existing pneumatic systems. For optimal performance, always verify that the swept volume and port sizes align with existing installation requirements. Consult your authorized distributor.

OE cross-reference

1300 185 001 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20866605.