LK4979 KNORR-BREMSE Twin Cylinder Air Compressor

The Twin Cylinder Air Compressor serves as a critical component within the pneumatic braking system of heavy commercial vehicles, ensuring consistent air pressure delivery. This high-strength component is engineered to maintain peak operational performance under demanding industrial conditions. By utilizing heavy-duty grade materials, the unit provides exceptional durability and reliable air compression for long-term service.

LK4979 is the OE-equivalent of the KNORR-BREMSE LK4979 Twin Cylinder Air Compressor used in heavy commercial vehicle systems. This product is fully compatible with KNORR-BREMSE hardware and meets strict technical requirements for seamless integration. It features a dual-cylinder configuration with a 720cm³ swept volume and a specialized water-cooled design to prevent overheating during continuous operation.

For workshop technicians, this unit offers straightforward installation thanks to its standardized port dimensions, including an M10x1 Air Unloader Port and M18x1,5 water ports. Maintenance teams should ensure the water cooling lines are correctly connected to maintain the thermal stability of the valve plate. Regular inspections of the M26x1,5 inlet and M22x1,5 outlet connections are recommended to ensure system integrity and prevent pressure drops in the pneumatic circuit.