Genuine Cummins Main Bearing 100mm or .040 for 5.9L/6.7L 12v & 24v Cummins 1989-2012
This is a 100mm or .040 undersize main bearing.
1 required per vehicle. This is a complete set to include thrust bearing.
NOTE: This part replaces Cummins Part # 3802074
*** Cummins Part # 4955863 ***