9521675 Compatible Twin Cylinder Compressor for Volvo NL12

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 reliable heavy commercial vehicle operation. Built with high-strength components, it ensures consistent air delivery even under demanding duty cycles.

Vehicle and engine compatibility

This specific unit is engineered to fit Volvo NL12 trucks equipped with D12A engines. It is compatible with Volvo systems and meets the rigorous performance standards required for heavy commercial vehicle service.

Technical specifications and maintenance

The unit features a water-cooled design with a water-cooled valve plate to maintain optimal operating temperatures. Technical specifications include an air inlet port of Ø29, an air outlet port of M26x1,5, and an air unloader port of M22x1,5. The assembly includes through-drive capabilities and ESS feature integration for advanced system control.

System performance and installation

To ensure longevity, technicians should regularly inspect the water inlet and outlet ports (M16x1,5) and check the integrity of the cooling lines. Proper maintenance of the cooling system is essential for maintaining the performance of this 22.5 KG component.

OE cross-reference

1300 050 003 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 9521675.