The S167A Hexagon Head Cap Screw is engineered for durability and precision, fitting Cummins engine models 4B3.9, 6B5.9, 6C8.3, G28, G5.9, G50, G855, GTA855, K19, K38, K50, QSK, NH, NT855, N14, QSN14, NT743, M11, V28, and V903.
