20824559 SP1 Volvo FM11 D11A Twin Cylinder Compressor

What does a twin cylinder compressor do?

This twin cylinder compressor serves as a critical component within the pneumatic braking system, providing the necessary compressed air for vehicle operations. Built with heavy-duty grade materials, it is designed to withstand high-pressure environments and maintain consistent air supply under demanding duty cycles.

Vehicle and engine compatibility

This specific unit is engineered for compatibility with Volvo FM11 trucks equipped with D11A engines. It features a through-drive design, a 636cm³ swept volume, and a water-cooled configuration to manage thermal loads effectively during continuous operation. The component ensures seamless integration with the existing engine architecture.

Installation and maintenance guidance

For proper installation, technicians should verify the port dimensions, specifically the Ø35 air inlet and M26x1,5 air outlet. Given its water-cooled nature, ensuring correct connection of the M16x1,5 water inlet and outlet ports is vital for maintaining optimal operating temperatures and preventing premature wear of the internal components.

Troubleshooting and selection

Regular inspection of the unloader port and water connections can prevent system pressure drops. When replacing this unit, always ensure that the mounting flange and drive gear match the original equipment specifications to maintain system integrity.

OE cross-reference

1300 190 010 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20824559SP1.