The 203310 Plain Washer is precision-engineered for compatibility with Cummins engines, including models 4B3.9, 6B5.9, B3.3, K19, K38, K50, QSK, V28, GTA855, G28, ISM, QSM, M11, NH, NT855, N14, QSN14, ISX, QSX15, QST30, and V903.
