Warner Gear Four and Five-Speed Manual Transmissions

The manual transmission code, part number and serial number, appears on a metal tag attached to an extension housing bolt on the left side (9 o'clock position).

Example Tag:


Customer P/N 14078525 WA2041 Source Code

Source P/N 13-52-062 21975 Sequential
Serial Number


Example:

W A 20 5 1

Shift
Source Code Month Day Year Code

W = Warner A=Jan. G=July 20=20th Day 5-1985 Shift
B=Feb. H=Aug. Produced
C=Mar. J=Sept.
D=Apr. K=Oct.
E=May L=Nov.
F=June M=Dec.