LK4939 KNORR-BREMSE Twin Cylinder, Air Compressor

The high-strength components of this air compressor ensure reliable air supply for critical braking systems in heavy commercial vehicles. This unit is engineered to maintain consistent pressure and durability under demanding operating conditions.

LK4939 is the OE equivalent of the KNORR-BREMSE LK4939 Twin Cylinder, Air Compressor used in KNORR-BREMSE systems. This high-strength component features a cylinder bore of Ø88.00 and a 50 mm stroke, providing a swept volume of 608cm³. It is specifically designed for water-cooled applications with a M26x1,5 air outlet port and M16x1,5 water ports.

For workshop technicians, this part offers a direct fit for maintaining pneumatic systems in heavy commercial vehicles. The assembly includes a through drive design and a water-cooled valve plate to manage thermal loads effectively during operation. Regular inspection of the water inlet and outlet ports is recommended to ensure optimal cooling performance.

Technical maintenance for the air brake system should be performed by qualified professionals to ensure the longevity of the compressor and the safety of the vehicle's pneumatic circuit.