21516476 Volvo VHD D13 Twin Cylinder Compressor

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 designed to provide consistent air pressure required for reliable braking performance and auxiliary air functions. Built with high-strength components, it ensures durability under continuous operating thermal loads.

Vehicle and engine compatibility

This specific unit is compatible with Volvo VHD trucks equipped with D13 engines. It is engineered to meet the exacting requirements of the vehicle's air system, ensuring seamless integration with existing pneumatic components. Check the compatibility list.

Technical specifications

Technical specifications include a Ø85.00 mm cylinder bore and a 56 mm stroke, providing a swept volume of 636cm³. The unit features an M26x1,5 air outlet port, an M12x1,5 unloader port, and M16x1,5 water inlet and outlet ports for effective liquid cooling. The through drive design facilitates efficient mechanical coupling.

Installation and maintenance

For optimal performance, technicians should verify all port connections and cooling line integrity during installation. Regular inspection of the water-cooled valve plate and unloader ports is recommended to prevent system pressure fluctuations.

OE cross-reference

1300 240 001 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21516476.