70330056 SP1 Twin Cylinder Compressor for Volvo FM9

What does a twin cylinder compressor do?

This twin cylinder compressor serves as a critical component within the pneumatic braking system of heavy commercial vehicles. By utilizing a dual-cylinder configuration, it provides the necessary air pressure required for consistent and reliable brake operation under heavy loads. The unit is engineered with high-strength components to withstand the demanding thermal and mechanical stresses found in heavy-duty engine environments.

Vehicle and engine compatibility

This specific model is designed for compatibility with Volvo FM9 trucks equipped with D9A engines. The unit features a water-cooled design, utilizing the engine's coolant circuit to maintain thermal stability during sustained operation. It is specifically engineered to match the requirements of Volvo engine configurations, ensuring precise integration into the existing pneumatic circuit.

Installation and maintenance guidance

For successful installation, technicians should verify that the water inlet and outlet ports (M16x1,5) match the vehicle's existing cooling lines. This through-drive unit includes an ESS feature and a water-cooled valve plate to optimize airflow and temperature regulation. It is essential to check that the air inlet (Ø35) and air outlet (M26x1,5) connections align with the current system setup.

Troubleshooting and selection

Always ensure that the drive gear and mounting flange are inspected prior to installation to guarantee exact fitment. If any discrepancy in port sizes or cooling connections is found, consult your authorized distributor.

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.