Car engine compartment front wall wiring harness protecting shell

The utility model relates to a car engine compartment front wall wiring harness protecting shell which comprises a wiring harness base shell with the outer contour in a zigzag shape. The wiring harness base shell comprises an upper cover and a lower cover which are provided with clamping buckles matched with each other. A wiring harness is arranged in the wiring harness base shell in a buckling mode. Wire outlets are formed in the head and the tail of the wiring harness base shell respectively. A lead-out groove is formed in each wire outlet. A fixing support is arranged on each of the wiring harness base shell positions beside the two wire outlets. The protecting shell outer contour is in the zigzag shape, so that the wiring harness is buckled, the wiring harness is subjected to wiring according to an ideal position in a small space, the applicability is improved, the buckling mode of the upper cover and the lower cover of the whole wiring harness is used, mounting is easy, and wiring harness stability is kept.