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such as dash panel, doors, instrument panel, floor, rear seat, etc.
Sections
Both Chassis and Body Groups are then further divided into Sections which relate to a general
category of parts. For example, Front Suspension components are in Section 30; Rear Axle is
Section 40; etc. The applicable exploded illustrations for a component are generally contained in
the corresponding section of the Illustration catalog. For example, if Front Suspension part
numbers are in Section 30 of the Text Catalog, then the corresponding illustrations are generally
found in Section 30 of the Illustration Catalog. In addition, a Section contains the group numbers
(part numbers) for the entire group. That is, Section 20 would contain all numbers from 2001-
2995.
Click on the bookmark on the left to link to the quick reference list of sections. Or, for a detailed
list of sections go to page 4,5 or 6 of the Chassis General Information.
Group Numbers (Chassis)
Each Section is organized by the “Group Number” in sequential order. The Group Number should
not be confused with the Chassis Group and Body Group which are simply categories of parts and
not part numbers. As you will see later, the Group Number is an integral part of the “basic part
number” and overall part number.
The “Section numbers” are the leading numbers of the “Group number”. So, for example, if you
are in Section 20, the first two Group Numbers will be 20, 21, 22, …to 29. If you are in Section
150, the first three numbers will be 150, 151, 152,… to 159. Following the first two (or three)
numbers will be two additional numbers to uniquely identify the part. Therefore, the group number
can quickly help determine which section of the catalog the part number can be found. For
example,
2440 = Section 20 of the catalog because the first two digits “24” are between 20-29
2B450 = Section 20 of the catalog because the first two
digits “24” (ignore the letter B) are
between 20-29
4374 = Section 40 because 43 is between 40-49.
13404-5 = Section 130 because 134 is between 130-139.
“Expanded Numbers” - Letters (A, B, C) may be included in the standard Group Number to make
them “expanded numbers”. Letters were added to the group number to accommodate new part
number into the system. For example, if Ford produced a new part or a variation to a part, they
might assign a “letter” to the group number. If a letter is added to a group number, the expanded
numbers will be considered to follow the same sequence as the regular basic numbers from which
they are expanded and are arranged in Catalogs as follows. This would be the sequential order with
expanded group numbers from Section 35 and 36:
3538
3C538
3634
3A635
Group Number (Body)
Body Group numbers contain two additional numbers to identify the body style. Therefore, the
“Body Type Code” are the first two digits signify the body style (2 door sedan, 4 door sedan, etc).
Body Type Codes are found on pages 31-34 of the Chassis General Information.