KTA50 Cummins Filter Head Gasket 3629387 Parts Catalog Ref No. Part Name Part No. Required 　 Lubricating Oil Filter LF6026-04 　 1 Plain Washer 127362 12 2 Twelve Point Cap Screw 191772 12 3 Filter Head Gasket 3629387 1 4 Filter Head Gasket 3177108 1 5 Compression Spring 205659 2 6 Pressure Regulator Plunger 3021618 1 7 Bypass Valve Body …