PURPOSE: To provide a connector block for an injector which shortens a bus bar and moreover simplifies the shape of the bus bar and improves the yield of material.

CONSTITUTION: A connector block 10 has a connector block body 11 which is molded of resin into a slender shape. The connector block body 11 is provided with a plurality of injector connection parts 12 where the injectors are connected at fixed spaces in the longitudinal direction of the connector block body 11. The connector block body 11 is provided with a harness connection part 13 which is located at its longitudinal middle part and opposite to the injector connection part 12. The bus bars 17 extending from each injector connection part 12 to the harness connection part 13 are severally buriedly provided. The bus bar 17 severally has a male tab 17a arranged in the harness connection part 13, a male tab 17b arranged in the injector connection part 12 and a connecting part 17c for connecting both the male tabs 17a, 17b.