20770303 SP1 Compatible Volvo VNL D13 Air Compressor

What does a twin cylinder compressor do?

This twin cylinder compressor is a critical component for the pneumatic braking system, ensuring consistent air pressure delivery for heavy commercial vehicles. Engineered with high-strength components, it is designed to withstand the rigorous thermal and mechanical stresses found in heavy-duty engine environments.

Vehicle and engine compatibility

This specific unit is designed to fit Volvo VNL trucks equipped with D13 engines. It features a water-cooled design to maintain optimal operating temperatures and includes an ESS feature to enhance system efficiency. The assembly utilizes a through-drive configuration to ensure reliable power transfer from the engine.

Installation and maintenance

Installation should be performed by a workshop technician to ensure correct alignment of the drive gear and port connections. The unit features an M26x1.5 air outlet port and M16x1.5 ports for water inlet/outlet and unloader functions. Regular inspection of the water cooling lines and air ports is recommended to prevent system leaks.

System reliability and selection

Maintaining the integrity of the air supply system helps prevent premature wear in braking components. Always verify that the port sizes and mounting flange match the original equipment requirements before installation.

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.