Fortpro Piston Ring Set in Standard Size for Cummins 6C 8.3 / ISC / ISL / QSC Engines is designed to maximize the performance and efficiency of your engine. This set offers a perfect fit that ensures effective sealing and optimal compression, resulting in reduced oil consumption and minimized emissions. Manufactured from high quality materials, the Fortpro piston ring set ensures durability and reliability in demanding applications. Compatible with OEM part numbers 3802429 and 505090, this set is the ideal choice to keep your engine running at its maximum capacity, ensuring exceptional performance and long life. Specifications: Brand: Fortpro Vehicle Type: Semi-Trucks / Heavy Trucks Product Department: Engine Product category : Cummins Parts Part Type: Piston Ring Set OEM Reference #: 3802429 Material: Steel Alloy Size: STD Bore Diameter: 4.488 in. Ring Count: 3 Applications: Cummins 6C 8.3 EngineCummins ISC EngineCummins ISL EngineCummins QSC Engine CrossReference: Cummins: 3802429 PAI: 505090