the clamp portion is formed with a partial molding die 5 a 4 a corrugate portion without the clamp portion is formed with a partial molding die 5 a 6 or 5 a 7 a straight portion having the other end without the clamp portion is formed with a partial molding die 5 a 8 by changing the order and the number of the partial molding dies various semi cylindrical members having the camp portions and composing the clamp integrated wiring harness protector for assembling can be formed in this embodiment the number of the semi cylindrical member having the clamp is two however the number may be one or six at a maximum in a molding die 5 b a combination of the partial molding die can be changed according to the combination of the molding die 5 a so as to form a semi cylindrical member of a straight tube portion having no clamp portion corresponding to the straight tube portion of the molding die 5 a with or without the clamp portion and form a semi cylindrical member of a corrugate tube portion having no clamp portion corresponding to the corrugate tube portion of the molding die 5 a with or without the clamp portion incidentally an intake.