Main Bearing Set – AR12270 Parts Number AR12270(4 x 205112 + 5 x 205140 + 5 x 205150 + 2 x 205160 + 2 x 205170) Parts Name Main Bearing Std Brand Cummins Genuine Parts Models CCEC Cummins K19 Series Tags: CCEC, Cummins, Genuine Parts, K19, Main bearing| Related Posts TUBE,FUEL SUPPLY 3165728 Exhaust Manifold Gasket 3043097 COVER,LUB OIL PUMP 3009955 Lubricating Oil Cooler Core- 4095097 Over Size Main Bearing Kit 3945918