20850846 Compressor for Volvo FE D9B Engines

What does a twin cylinder compressor do?

This twin cylinder compressor is a critical component for the pneumatic braking system of heavy commercial vehicles. It is engineered to provide reliable air pressure through high-strength components, ensuring consistent operation under demanding service conditions. The unit utilizes a water-cooling system to manage thermal loads effectively during continuous operation.

Vehicle and engine compatibility

This specific model is designed for use in Volvo FE trucks equipped with D9B engines. It functions as a direct replacement for the original equipment, maintaining the required pneumatic output and mounting specifications for the engine's air brake system. This ensures seamless integration into the existing heavy-duty air supply network.

Installation and maintenance guidance

Installation requires attention to the water inlet and outlet ports, which utilize M16x1,5 connections. Technicians should verify that the air outlet port (M26x1,5) and unloader port (M16x1,5) match the vehicle's existing lines. Regular checks of the cooling water flow and port seals are recommended to maintain optimal pressure levels.

Replacement considerations

When replacing this unit, it is essential to verify that all mounting flanges and drive connections are identical to the removed component to avoid system mismatching.

OE cross-reference

1300 180 003 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20850846.