The Standard GM Grouping System has been
used throughtout this catalog. All group
numbers are shown in numerical sequence.
Headings are listed in alphabetical order
within each group.
Right hand and left hand part numbers are
often listed on one line, if the model
application and description are identical.
SUPPORT, TAIL PIPE
||1968-69 344 w/DUAL EXHAUST
In such cases, the first number on the
line always refers to the right hand part
and the other number refers to the left hand part.
The number in brackets at the end of the description
line (if included) refers to the old or
superseded part. For example:
U BOLT, TAIL PIPE and MUFFLER TO HANGER
||1966 ALL 6 CYL - INCLUDES CLAMP
1-7/8 IN [SUP 381782]
The old and new numbers are not always
fully interchangeable. Rework is sometimes
required. Be sure to check model
Items peculiar to export vehicles are
designated by an X.
0.033 ― BLOCK AND PISTON
ASSEMBLY /WITH RINGS, CRANK AND CAM BEARINGS, LESS
||1968-71 ALL 6 CYL - EXPORT ONLY
All new part numbers are identified in the
data section by a special symbol:
PARTS REVISION #1)
% (NEW PARTS REVISION #2)