20845313 Volvo FM Twin Cylinder Compressor

What does a twin cylinder compressor do?

This twin cylinder compressor serves as a vital component within the pneumatic braking system of heavy commercial vehicles. It is engineered to provide consistent air pressure through high-strength components, ensuring reliable operation under demanding service conditions. The unit features a water-cooled design to manage thermal loads during continuous operation.

Vehicle and engine compatibility

This specific model is compatible with Volvo FM series trucks, including variants such as the FM 390, FM 460, and FM 500. It is specifically designed for use with Volvo FM11 models equipped with D11A engines. The unit is built to meet the rigorous requirements of the heavy vehicle sector.

Installation and maintenance

The assembly features a through drive mechanism and includes an ESS feature for optimized performance. Installation requires attention to the water inlet and outlet ports (M16x1.5) and the air outlet port (M26x1.5). Technicians should verify the existing mounting flange and drive gear configuration to ensure seamless integration into the engine system.

System performance and troubleshooting

Regular inspection of the water cooling lines and air ports is recommended to prevent system contamination or overheating. Maintaining correct pressure levels within the pneumatic circuit ensures optimal braking performance for the vehicle.

OE cross-reference

1300 190 005 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20845313.