TRANSMISSION PARTS
This category features carefully selected Komatsu aftermarket transmission parts from WQParts. Every component is chosen to deliver consistent fit, durability, and performance in tough working conditions. Whether you are rebuilding a specific system or refreshing high‑wear components, our Komatsu replacement parts help you reduce downtime without sacrificing quality or safety.
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1240120H91 Set, Crankshaft Thrust Brg - 100Mm Over - Fits Komatsu Equipment$134.22Komatsu 1240120H91 washer
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1241214H92 Kit, Front Gear Cover Service - Fits Komatsu Equipment$77.63Komatsu 1241214H92 Oil Seal
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23A-70-05010 Service Kit, Circle Reverse Gear - Fits Komatsu Equipment$20.17Komatsu 23A-70-05010 Service Kit