20773343 SP1 Twin Cylinder Compressor for Volvo B9R

What does a twin cylinder compressor do?

This twin cylinder compressor serves as a critical component within the pneumatic braking system, providing the necessary air pressure required for heavy commercial vehicle operations. Built with high-strength components, this water-cooled unit maintains thermal stability during sustained high demand, ensuring consistent performance for the air brake system.

Compatible vehicles and engines

This specific unit is designed for use in Volvo B9R trucks equipped with D9B engines. It is compatible with the required engine specifications and provides a direct fitment for the vehicle's air supply needs. Always verify the cooling type and port configurations against the original unit before installation.

Technical specifications and installation

The assembly features a 704cm³ swept volume and an Ø85.00mm cylinder bore to meet demanding service requirements. It includes an M26x1,5 air outlet port, an M16x1,5 unloader port, and M16x1,5 ports for water inlet and outlet to facilitate efficient heat dissipation. Maintenance should focus on ensuring clean coolant flow through the water ports to prevent overheating.

Selection and maintenance guidance

To ensure correct fitment, technicians should check the drive type and mounting flange against the removed component. This unit is engineered to handle heavy commercial duty cycles while maintaining precise pressure regulation through its integrated valve plate and unloader features.

OE cross-reference

1300 180 002 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20773343SP1.