Cummins 4939580 Air Cleaner Assembly

The Cummins 4939580 air cleaner assembly integrates housing and filtration components to deliver clean intake air for diesel engines operating in demanding environments. The unit features a robust housing construction with high-efficiency filter media designed to remove dust, dirt, and airborne contaminants before they enter the intake system. This assembly may include a pre-cleaner stage to extend primary filter life in harsh operating conditions. The component is engineered to meet OEM specifications for fit, form, and function on Dongfeng Cummins Engine Company (DCEC) platforms. Cross-reference interchangeability includes part numbers 4938598, 5366461, C4938598, KW1524X, and 91NL131. The assembly serves multiple engine families within the Cummins B, C, L, and QSB series. Installation aligns with preset engine interfaces to maintain intake system integrity and engine performance.