KTA38 Cummins Cooler Core 3635074 Parts Catalog Ref No. Part Name Part No. Required 　 Lubricating Oil Cooler BP6141 　 1 Cooler Core 3635074 3 2 O-Ring Seal 212161 12 3 Lubricating Oil Cooler Cover Gasket 3637730 6 4 Lock Nut 3645029 6 Above is the introduction of the Cummins Cooler Core 3635074, while if you need Cooler Core 3635074, …