V Complete familiarity with the information contained on these pages as well the general layout of the Parts Catalogs will prove helpful in locating and ordering the desired parts The Chevrolet Parts and Accessories Catalogs are arranged in sections as follows V V I I V V V Q VV Model Series Identification I Y V V Alphabetical Index V Chassis Parts Listing groups 0 000 to 9 999 inclusive V V VPassenger Body Parts Listing qgroups 10 000 to 15 999 inclusive I Commercial Body Parts Listing groups 16 000 to 17 999 inclusive I V The Group System of listing parts is usedandbriefly is as follows V V Main units of the car are identified by the Numeral preceding the Decimal i e V Engine V 0 s Cooling and Oiling V V VQ 1 V Electrical V 2 I Fuel System I V 3 Individual Partsare assigned a Group Number the first Numeral identifying the main unit it is affiliated t V with andVfollowing the Decimal is the Sub Group Number under which all Parts of thesame name and function are listed For instance Group 0 033 0 indicates that it is an Engine Part 033 is the Location where all Part Numbers of Cylinder Blocks now being serviced may be found V I V For convenience List Price is shown where the Part is listed Some Parts may beVlisted elsewhere than in its V original or prime Group and in suchlistings the prime T Group is indicated in parentheses This procedure is necessary as a part can have but one identifying Group Number for ordering or bin location For example under Group Number 3 751 Part Number 7020926 is listed as Carburetor Choke Valve Screw and the prime Group 3 820 is shown in the description column V V V V V When using the dimensions and other data shown in the Description Column the parts manager should be V guided by the following s i V V I V V1 length overall refers to the total lengthof a part measured over the longest dimension An irregular I shaped piece is measured over the longest dimension regardless of contours and bends l V V 2 dev length refers to thetotal length of a part such as a tail pipe or gas pipe measured as though the V part were straightened out This measurement can be taken on formed pipes by using a string to follow V V the contours of the pipe and then measuring the length of string used V I I J 3 l D refers to insidediameter O D refers to outside diameter O S refers to oversize U S VV refers to undersize 1 A To locate thelisting of a Part determine the model vehicle and refer tothe Book under the Group Number identifyingit which may be determined by using any of the following three methods V V 1 Consult Alphabetical Index at front of book which lists Parts by noun and descriptivenames and refers V to the exact Group Number where all Parts of similar kind may be found More than one Group Number will be given where the same kind of part is shown in both Passenger and Commercial Body sections lf V I V Name of desired Part is not readily found in the index a correlated Part Name will suggest approximate location V V I I V V 2 o Consult Illustrations in this publication on which Group Numbers Part Numbers and Noun Name are V shown which will refer to the Part or Assembly wanted On Illustrations where both left and ri t part numbers are listed the first number willV always designate left hand side 3 Consult Dealer Parts and Accessories Price Schedule if a Part Number is known and use its Group Number to locate a similar Part or be directed to the approximate location of correlated Parts V The column headed No Used indicates the number of pieces required The term A Fl means As Required V V l V lf Body is not of Chevrolet manufacture place orders direct with the manufacturer whose name appears on the Body Name Plate I I V V V V t a i V UNION CITY BODY PARTS V V V Union City Body Parts are not listed in this catalog To assist in this area catalogs and price lists are now available on a no charge basis by contacting the Union City Body Company at the followingiaddress p V V V Service Parts Supervisor V S Union City Body C0 Inc V ie Drawer 190 V I I V V Union City Indiana 47390 i GM PARTS DIVISION GENERAL lV 0TO FlS COBPORATION CI lEvROLET 72TL 1