20774294 SP2 Compatible Compressor for Volvo FMX D11B

What does a twin cylinder compressor do?

This twin cylinder compressor provides essential air pressure for the pneumatic braking systems in heavy commercial vehicles. Designed to handle demanding service conditions, it ensures consistent air delivery through its robust internal architecture. The unit features a through-drive design and is specifically optimized for high-pressure stability.

Vehicle and engine compatibility

This component is fitted to Volvo FMX trucks equipped with D11B engines. It serves as a reliable replacement for original equipment, maintaining the required air flow and pressure for the vehicle's pneumatic circuits. It is essential to ensure the mounting flange and drive gear match the original installation.

Installation and maintenance

Maintenance technicians should verify the water inlet and outlet ports (M16x1,5) during installation to ensure proper cooling. This water-cooled model includes a water-cooled valve plate and an ESS feature to support advanced electronic control systems. Always check the Ø35 air inlet and M26x1,5 outlet ports to ensure correct fitment.

Selection guidance

To ensure correct selection, technicians should compare the physical dimensions, including the 636cm³ swept volume, against the removed unit. Matching the cylinder diameter and cooling type is critical for maintaining system integrity.

OE cross-reference

1300 190 004 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20774294SP2.