Genuine Cummins Main Bearing 50mm or .020 for 5.9L/6.7L 12v & 24v Cummins 1989-2012
This is a 50mm or .020 undersize main bearing.
1 required per vehicle. This is a complete set to include thrust bearing.
NOTE: This part replaces Cummins Part # 3802072
*** Cummins Part # 4955861 ***