70330056 SP1 Compatible Twin Cylinder Compressor for Volvo FH12

What does a twin cylinder compressor do?

This twin cylinder compressor serves as a critical component within the pneumatic air brake system, providing the necessary pressurized air for braking and suspension operations. Engineered with high-strength components, it is designed to withstand the rigorous thermal and mechanical demands of heavy commercial vehicle service.

Vehicle and engine compatibility

This specific model is engineered for Volvo FH12 trucks equipped with D12C engines. It features a water-cooled design to maintain optimal operating temperatures, utilizing M16x1,5 water inlet and outlet ports. The unit includes an ESS feature and a water-cooled valve plate to ensure long-term reliability under continuous load.

Installation and maintenance guidance

For correct installation, technicians should verify that the drive gear, mounting flange, and port locations—specifically the M26x1,5 air outlet and M35 air inlet—match the existing unit exactly. Ensure all connections are tightened to specification to prevent pressure leaks within the pneumatic circuit.

System performance and selection

Consult your authorized distributor for detailed fitment verification.

OE cross-reference

1300 185 002 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 70330056SP1.