The 4380750 Lock Nut is designed for Cummins Engine models K38, K50, and QSK, replacing part number 3626804. Engineered for durability and precise fit, it ensures reliable performance and secure engine assembly in demanding applications.

Supersedes:3626804

similar parts

    • Fast Delivery

      Fast shipping. Global reach.

    • 30 days return policy

      Order without worry

    • Professional support

      Expert support for every part you need.