LP4957 KNORR-BREMSE Twin Cylinder, Air Compressor

This heavy-duty twin cylinder air compressor is engineered to provide reliable pneumatic pressure within heavy commercial vehicle braking systems. Featuring a robust construction, the unit operates with a 608cm³ swept volume and is specifically designed for water-cooled environments to ensure optimal thermal management during operation. The integration of high-strength components ensures long-term durability in demanding workshop environments.

LP4957 is the OE-equivalent of the KNORR-BREMSE LP4957 Twin Cylinder, Air Compressor used in KNORR-BREMSE systems. This component is precision-engineered to meet strict technical requirements, ensuring seamless integration with existing pneumatic architectures. The unit features a cylinder bore of Ø88.00 mm and a 50 mm stroke, maintaining consistent performance under heavy load conditions.

For workshop technicians, this unit provides straightforward installation through its standardized port sizes, including M26x1,5 for the air inlet and M22x1,5 for the outlet and unloader. The water cooling system utilizes M18x1,5 ports for both inlet and outlet to maintain stable operating temperatures. Regular inspection of the water-cooled valve plate and connection points is recommended during routine vehicle maintenance to ensure system longevity.

This technical component is built to withstand the rigors of the heavy commercial vehicle sector, providing stable air supply for critical braking functions. Its design focuses on precision and reliability for professional fleet maintenance.