V This ILLUSTRATION BOOK has been compiled to assist in the location and identification of service parts The illustrations herein may not always show the exact part re quired however for identification purposes the group number or noun name can be readily located from a view covering a similar illustration The layout of the information contained in this publication is such that the illustrations can be removed for combining with the Parts Book Sections by groups The single book concept can be main tained using this system or the separate Illustration Book and Parts Listings can be used L New or revised illustrations are mailed to dealers subscribing to the revision service as they are scheduled All specifications and illustrations contained in this publication are based on the latest product information available at the time of printing General Motors reserves the right to make changes at any time without notice in data specifications material and mod els Due to Engineering and or part number changes all part number application herein should be verified by referring to the Parts Book v WAFlEHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORFORATION LT TRUCK 51A 2 83 a