Our 3681054 pin dowel is custom-designed for Cummins ISX, QSX, ISZ, and ISM series engines. Precision-machined from high-strength alloy steel with tight dimensional tolerances and a smooth surface finish, it ensures perfect component alignment, accurate positioning, and exceptional structural strength for the engine�s cylinder head, engine block, and other critical assemblies. The dowel�s precision-ground design ensures a tight, interference fit, preventing component movement and maintaining perfect alignment even under high thermal stress and engine vibration. It is the ideal direct-fit replacement for professional engine overhauls and component repairs.
