20429339 Volvo B12 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 reliable deceleration. Built with high-strength components, it is engineered to withstand the rigorous thermal and mechanical stresses typical of heavy commercial vehicle operation.

Compatible vehicles and engines

Designed for use in Volvo B12 models, this unit features a water-cooled design to manage operating temperatures effectively. Technical specifications include a Ø88.00 mm cylinder bore, a 50 mm stroke, and an air outlet port measuring M26x1,5. It is compatible with Volvo systems and ensures consistent performance under heavy loads.

Installation and maintenance

For professional installation, technicians should verify all port connections, including the M22x1,5 air unloader port and the M16x1,5 water inlet/outlet ports. Maintaining correct water flow and checking the water-cooled valve plate is essential for preventing overheating and ensuring long-term service life.

Troubleshooting and selection

Regular inspection of the through drive and air inlet ports can help prevent premature system failure. Consult your authorized distributor to ensure precise fitment for your specific engine configuration.

OE cross-reference

1300 050 001 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20429339.