For 1990-2009 cars

The manual transmission identification is located on the top of the upper case directly behind the clutch housing.

(1) | Vehicle Identification Number
(2) | Wheel Base
(3) | Part Number Location
(4) | Model Designation
(5) | Order Number
(6) | Exterior Color
(7) | Paint Technology

This seven digit number is stamped into the upper case and refers to the model year and the serial number sequence. Additional transmission identification can be found on the service parts identification label.

This label contains information on the regular productions options (RPO) as well as the standard and mandatory options. This label is affixed to the inside of the glove box door of each vehicle at the assembly plant.