LK4939 KNORR-BREMSE Twin Cylinder, Air Compressor

This high-strength component is engineered to provide reliable air compression within heavy commercial vehicle braking systems. As a twin cylinder air compressor, it is designed to maintain consistent pressure through a robust two-cylinder architecture, ensuring the pneumatic stability required for heavy-duty operations.

LK4939 is the OE-equivalent of the KNORR-BREMSE Twin Cylinder, Air Compressor used in KNORR-BREMSE systems. This part features a cylinder bore of Ø88.00 and a stroke of 50 mm, delivering a swept volume of 608cm³. It is specifically designed for compatibility with high-performance pneumatic systems in the heavy commercial vehicle sector.

For workshop technicians performing maintenance or repairs, this unit features a water-cooled design with M16x1,5 inlet and outlet ports to manage thermal loads effectively. The assembly includes a water-cooled valve plate and an air outlet port of M26x1,5. Proper installation ensures optimal integration with the existing air brake compressor system to maintain service intervals and system pressure.

The unit's technical specifications are optimized for durability in demanding environments. With a weight of 19.9 KG and specialized porting for both air and water management, it serves as a critical component for maintaining the integrity of the vehicle's pneumatic circuit.