This pump does not include the idiot light switch or pressure gauge sender. These should be reused or purchased separately. Hole plugs are enclosed with the pump for engines that use either a switch or a sender (but not both). Gaskets are not included with the pump,use the appropriate gaskets as supplied in an engine gasket set, or order oil pump gasket #15066 AA000 and oil pump o-ring #80694 5020 separately. -