20770303 SP1 Volvo FM13 D13B 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 pressure for reliable operation. Engineered for heavy-duty performance, this water-cooled unit utilizes high-strength components to withstand intense thermal and mechanical stress during continuous engine operation.

Vehicle and engine compatibility

Specifically designed for Volvo FM13 trucks equipped with D13B engines, this compressor ensures precise air delivery. It is compatible with Volvo OE specifications, featuring an Ø85.00 mm bore and a 56 mm stroke to meet the high air demand of heavy commercial vehicles. Consult your authorized distributor.

Installation and maintenance

For successful installation, technicians should verify that the water inlet and outlet ports (M16x1.5) match the existing cooling lines. This through-drive model includes an integrated ESS feature and a water-cooled valve plate to maintain optimal thermal management during service intervals.

Selection guidance

When replacing this unit, it is essential to ensure the drive gear and port sizes—including the M26x1.5 air outlet—align perfectly with the original equipment to prevent system leaks or pressure drops.

OE cross-reference

1300 190 009 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20770303SP1.