21379906 SP2 Twin Cylinder Compressor for Volvo VHD

What does a twin cylinder compressor do?

This twin cylinder compressor serves as a critical component within the pneumatic braking system of heavy commercial vehicles. It is engineered to provide consistent air pressure required for reliable braking performance and system actuation. Built with high-strength components, this unit ensures durability under demanding operational cycles in heavy-duty environments.

Compatibility with Volvo VHD engines

This specific model is designed for use in Volvo VHD trucks equipped with D13 engines. The unit features a Ø85.00 cylinder bore, a 62 mm stroke, and a swept volume of 704cm³. It is a water-cooled (W) assembly featuring an M26x1,5 air outlet port and M16x1,5 water ports to manage thermal loads effectively.

Installation and maintenance guidance

For proper installation, technicians should verify the through-drive configuration and ensure the water inlet and outlet ports align with the existing engine cooling circuit. Maintenance should include regular checks of the unloader port (M16x1,5) and valve plate integrity to prevent pressure drops in the pneumatic circuit.

System integration and selection

When selecting replacement parts, always confirm that the cooling type and port dimensions match the original equipment specifications to ensure seamless integration with the vehicle's air management system.

OE cross-reference

1300 190 007 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21379906SP2.