20774383 Volvo VNL D13 Twin Cylinder Compressor

What does a twin cylinder compressor do?

This twin cylinder compressor is 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, it ensures durability under intense thermal and mechanical stress.

Vehicle and engine compatibility

This specific unit is compatible with Volvo VNL models equipped with D13 engines. It is designed to meet the rigorous demands of long-haul transport and heavy-duty operations, ensuring seamless integration with existing engine configurations. The assembly features a water-cooled design to manage operating temperatures effectively.

Technical specifications and installation

The compressor features an air inlet port of Ø35 and an air outlet port of M26x1,5, facilitating efficient airflow. Maintenance technicians should verify the M16x1,5 water inlet and outlet ports during installation to ensure proper cooling flow. This through-drive model is optimized for stable performance in demanding environments.

Maintenance and troubleshooting

Regular inspection of the water-cooled valve plate and unloader ports is recommended to prevent system pressure drops. Maintaining clean coolant flow through the M16x1,5 ports ensures the longevity of the internal components during heavy-duty service cycles.

OE cross-reference

1300 190 011 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20774383.