QSX15 Cummins Oil Cooler Kit 4955831 Parts Catalog Ref No. Part Name Part No. Required 　 Engine Oil Cooler LC1751-02 　 1 Lubricating Oil Cooler Housing Gasket 3104232 1 2 Captive Washer Cap Screw 3417474 10 3 Studded Captive Washer Screw 3687127 10 　 Oil Filter Cooler Head 4965904 1 　 Male Union 3090400 1 4 Male Union 3090419 1 …