Cummins 408973800 Engine Piston Kit Assembly

Technical specifications for Cummins part number 408973800 engine piston kit. This assembly comprises the piston crown, skirt, ring pack, piston pin, and retainer clips. Manufactured to OEM tolerances using high-silicon aluminum alloy for thermal stability and wear resistance. Designed for Dongfeng Cummins series diesel engines in commercial vehicle and construction machinery applications. Verify fitment using engine serial number prior to installation. Material composition includes aluminum alloy piston body with nickel-plated piston pin and chrome-faced top compression ring. Kit includes full ring set and circlips. Direct OEM replacement for Dongfeng Cummins engine overhaul procedures.