20773343 SP1 Volvo NH12 D12C Twin Cylinder Compressor

What does a twin cylinder compressor do?

This twin cylinder compressor is a vital component within the pneumatic braking system, providing the necessary air pressure for reliable vehicle braking and auxiliary pneumatic functions. Built with heavy-duty grade materials, it is engineered to withstand the high-temperature and high-pressure environments typical of heavy commercial vehicle operations.

Compatibility and engine fitment

This specific model is designed for use in Volvo NH12 trucks equipped with D12C engines. It features a through-drive configuration and is specifically optimized for water-cooled engine systems to maintain stable thermal performance during extended operation.

Technical specifications and installation

Technical specifications include a Ø85.00 mm cylinder bore, a 62 mm stroke, and a swept volume of 704cm³. The unit is equipped with an M26x1,5 air outlet port and an M16x1,5 air unloader port, ensuring precise pressure regulation. Maintenance technicians should verify the water inlet and outlet port connections (M16x1,5) during installation to prevent leaks.

Maintenance and selection guidance

When replacing this unit, it is essential to match the technical specifications such as the cylinder diameter and cooling type to the existing system requirements. For precise fitment, always consult your authorized distributor.

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.