Cummins 3694066F Piston Assembly

The Cummins 3694066F piston is engineered for the ISG series 11L and 12L heavy-duty inline six-cylinder diesel engines. Manufactured to OEM specifications, this standard-size (STD) piston assembly is designed for high compression ratios and thermal loads typical of long-haul transportation and construction machinery duty cycles. The component features a gallery-cooled aluminum alloy construction with a nickel-iron ring carrier insert for enhanced durability and wear resistance. It serves as a direct replacement for OEM part numbers 3697229, 3697230, 3697230F, and 3697698. Applications include Foton Cummins powered heavy-duty trucks and industrial power units utilizing the ISG platform.