The 3014766 Captive Washer Cap Screw delivers secure, reliable fastening for Cummins engines, including models B3.3, G28, G5.9, G50, G855, GTA855, K19, K38, K50, QSK, NH, NT855, N14, QSN14, NT743, M11, V28, and V903. Built for durability and precision fit.