Parts Information

Parts required to complete this campaign will be shipped directly to involved dealers by Chevrolet Motor Division on a no charge basis via next day delivery. Any questions pertaining to parts shortages, etc. should be directed to the Chevrolet Dealer Assistance Center.

DO NOT ORDER FROM GENERAL MOTORS SERVICE PARTS OPERATION (GMSPO).

Quantity/
Part Number Description Vehicle Application

12088249 Wiring Harness 1 K 3500 (1 Ton) &

MT1 (4L80E)

12088250 "" "" 1 K 2500 (3/4 Ton) &

MT1 (4L80E)

12088262 "" "" 1 K 1500-2500 (1/2 &
3/4 Ton) &

MD8, MG5, MT8 or M20


Quantity/
Part Number Description Vehicle Application

12088263 Wiring Harness 1 K 3500 (1 Ton) &
MT8 or M20

15552842 Front Axle 1 K 1500-2500 (1/2 &
Engagement Switch 3/4 Ton)

15638264 "" "" 1 K 3500 (1 Ton)