LK4939 KNORR-BREMSE Twin Cylinder, Air Compressor

The twin cylinder air compressor is a vital component in heavy commercial vehicle braking systems, ensuring consistent and reliable air pressure generation. This specific unit is engineered to handle high-demand operational cycles while maintaining structural integrity through its water-cooled design. By providing a stable air supply, it serves as a core element for the pneumatic system's efficiency and overall vehicle safety.

LK4939 is the OE-equivalent of the KNORR-BREMSE Twin Cylinder, Air Compressor used in KNORR-BREMSE systems. This high-strength component features a cylinder bore of Ø88.00 and a stroke of 50 mm, delivering a swept volume of 608cm³. It is designed for seamless integration into professional heavy vehicle maintenance workflows where precision and compatibility are paramount.

For workshop technicians, the installation process is streamlined by the specific port dimensions, including the M26x1,5 air outlet and M16x1,5 water ports. Regular maintenance checks on the water cooling connections and the through-drive mechanism are recommended to ensure long-term performance. This part is engineered to meet the rigorous demands of heavy commercial vehicle service environments.

This product belongs to the Air Brake Compressors category and is specifically developed to meet technical requirements for heavy-duty duty cycles. The design incorporates a water-cooled valve plate to manage thermal loads effectively during operation.