70330056 Compatible Twin Cylinder Compressor

What does a twin cylinder compressor do?

This twin cylinder compressor serves as a critical component in the pneumatic braking system, ensuring consistent air pressure for heavy commercial vehicle safety. Built with high-strength components, it utilizes a water-cooled design to manage operating temperatures effectively during continuous service. The unit features an M26x1,5 air outlet port and an M12x1,5 unloader port to maintain precise system regulation.

Compatible vehicles and engines

This specific model is engineered to fit Volvo FM12 trucks equipped with D12D engines. It is designed to meet the rigorous demands of heavy-duty operations, providing stable air supply through its 704cm³ swept volume and dual-cylinder configuration. Consult your authorized distributor for fitment verification.

Installation and maintenance

For optimal performance, technicians should inspect the water inlet and outlet ports (M16x1,5) for any signs of leakage or debris. Regular checks of the unloader port and through-drive alignment are recommended during scheduled maintenance intervals to prevent system pressure drops or mechanical wear.

Troubleshooting and service

Maintaining proper coolant flow through the water-cooled valve plate is essential for preventing overheating. Ensuring the air inlet port (Ø35) remains clear will help maintain the efficiency of the twin cylinder assembly throughout its service life.

OE cross-reference

1300 185 001 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 70330056.