Engineered for compatibility, the 3010595 Captive Washer Cap Screw fits Cummins engines including G28, G5.9, G50, G855, GTA855, K19, K38, K50, QSK, QST30, M11, L10, NH, NT855, N14, QSN14, NT743, V28, V903, and QSX15. Reliable and built to last.