20733974 Volvo NH12 D12C Compressor Equivalent

What does a single cylinder compressor do?

This single cylinder compressor serves as a critical component within the pneumatic braking system, providing the necessary air pressure for heavy commercial vehicle operations. Engineered with high-strength components, it ensures consistent performance under demanding thermal and mechanical loads.

Vehicle and engine compatibility

This unit is specifically designed for use in Volvo NH12 trucks equipped with D12C engines. It maintains precise air delivery through its Ø35 air inlet port and M26x1,5 outlet port, ensuring seamless integration within the vehicle's air management system.

Installation and maintenance requirements

For professional installation, note that this is a water-cooled model featuring a water-cooled valve plate. The unit includes an M16x1,5 water inlet and outlet port, alongside an M12x1,5 air unloader port. Proper coolant circulation is essential to maintain the integrity of the internal components during continuous operation.

System performance and troubleshooting

Regular inspection of the unloader port and cooling lines is recommended to prevent pressure fluctuations. This compressor provides a reliable solution for maintaining optimal pneumatic system stability in heavy-duty applications.

OE cross-reference

1300 025 002 (Single Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20733974.