20842990 Volvo VNL D12 Twin Cylinder Compressor

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 for heavy commercial vehicle operations. Built with high-strength components, it is engineered to withstand rigorous thermal and mechanical stress during continuous service cycles.

Compatible vehicles and engines

This specific model is engineered for Volvo VNL trucks equipped with D12 engines. It features a water-cooled design to maintain optimal operating temperatures, ensuring consistent performance under heavy loads. Check the compatibility list.

Installation and maintenance

Technicians should note the technical specifications during installation, including the M26x1,5 air outlet port and M16x1,5 water inlet/outlet ports. The unit features a through-drive configuration and includes ESS features to enhance system reliability. Regular inspection of the water-cooled valve plate is recommended to prevent pressure drops.

Troubleshooting and maintenance

Monitoring air output and checking for leaks at the M16x1,5 unloader port can help identify early signs of wear. Maintaining clean coolant flow through the water ports is essential for the longevity of this twin-cylinder unit.

OE cross-reference

1300 180 001 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20842990.