NTA855 Cummins Cooler Core 3412285 Parts Catalog Ref No. Part Name Part No. Required 　 Lubricating Oil Filter LF1250 　 　 Cooler , Lubrication Oil Mounting 3031956 1 1 Oil Cooler Support Gasket 3008017 1 2 Captive Washer Cap Screw 3010596 3 3 Captive Washer Cap Screw 3010597 3 4 Captive Washer Cap Screw 3044901 2 5 Lubricating Oil Filter …