Cummins Piston Ring Set (B-Series) 3802230

The Cummins Piston Ring Set (Part No. 3802230) is an OEM-quality replacement kit designed for use in Cummins B-Series diesel engines, including the 4BT and 6BT models. The set typically consists of three rings per cylinder—compression rings and an oil control ring—crafted for optimal sealing, engine compression, and oil control. Made from high-durability materials and finished for precision fit, these rings help reduce blow-by gases and oil consumption, ensuring reliable performance and engine longevity.