Cummins 4955976 Piston Ring Kit / Ring Set - New

Genuine Cummins Piston Ring Kit, OEM P/N 4955976 — one single-cylinder ring set (top ring, 2nd ring, and 3-piece oil ring with expander) in original Cummins packaging. Application: Cummins QSX15 / ISX15 series 15L diesel engines (subject to CPL/serial verification). Condition: New, open box — rings unused, carton shows light shelf wear. Buyer must confirm fitment by part number, photos, dimensions, engine model, serial number, and application before purchase.