The S121B Hexagon Head Cap Screw is engineered for reliable compatibility with Cummins engines, including G5.9, G50, G855, GTA855, K19, K38, K50, QSK, NH, NT855, N14, QSN14, NT743, M11, V28, V903, QSL, QST30, and ISC models.
Condition:New / OEM Quality
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