Main Bearing Set 0.010” Cummins Engine M11 – Engine ISM – Engine QSM
Main crankshaft bearings 0.010” undersize, equivalente a 0,25 mm; Cummins lists part number 4025121 primarily for non-certified 11-liter M11 engines; other catalogs also list it for the L10, ISM, and QSM11 families.
Exact compatibility must be confirmed with the ESN/CPL, as it may vary depending on the crankshaft configuration.