LK4921 KNORR-BREMSE Twin Cylinder, Air Compressor

The LK4921 Twin Cylinder, Air Compressor is engineered to provide consistent air pressure and long-term reliability within the pneumatic braking system. This component utilizes high-strength components to withstand the rigorous demands of heavy commercial vehicle operations. By maintaining optimal swept volume and thermal regulation, it ensures the stability of the air supply across various driving conditions.

LK4921 is the OE-equivalent Twin Cylinder, Air Compressor used in KNORR-BREMSE systems. This technical component is specifically designed for compatibility with KNORR-BREMSE hardware, ensuring seamless integration into existing heavy-duty pneumatic circuits. The unit features a dual-cylinder configuration with a Ø88.00 mm bore and a 50 mm stroke to meet precise industrial specifications.

For workshop technicians, the installation process is streamlined by the standardized M26x1,5 air outlet and M22x1,5 unloader port. The unit is water-cooled (W) with inlet/outlet ports measuring M16x1,5, facilitating effective heat dissipation during continuous operation. Regular maintenance of the water cooling lines and inspection of the ESS feature functionality are recommended to ensure peak system performance and prevent downtime in fleet operations.