For 1990-2009 cars

The VIN plate (1) is the legal identifier of the vehicle. The VIN plate is located on the upper left corner of the instrument panel (I/P) and can be seen through the windshield from the outside of the vehicle:

#### Vehicle Identification Number (VIN) System

Position | Definition | Character | Description
--- | --- | --- | ---
1 | Country of Origin | 1,4 | U.S. Built
2 | Manufacturer | G | General Motors
3 | Make | C K N T | Chevrolet Truck GMC MPV Chevrolet MPV GMC Truck
4 | GVWR/Brake System | C D | 4001-5000/Hydraulic 5001-6000/Hydraulic
5 | Truck Line/Chassis Type | S T | Sm Conventional Cab - 4x2 Sm Conventional Cab - 4x4
6 | Series | 1 6 | ½ Ton Nominal ½ Ton Luxury
7 | Body Type | 4 9 8 3 | Two Door Cab Two Door Extended Cab Two Door Utility Four Door Utility or Crew Cab
8 | Engine Type | 9 E | 2.9L (LLV) Gas, 4 cyl., MFI, L4, Alum., VVT, DOHC, GM 3.7L (LLR) Gas, 5 cyl. MFI, L5 Alum., VVT, DOHC, GM
9 | Check Digit | -- | Check Digit
10 | Model Year | 7 | 2007
11 | Plant Location | 8 | Shreveport, LA
12-17 | Plant Sequence Number | -- | Plant Sequence Number

All engines and transmissions are stamped or laser etched with a partial VIN, which was derived from the complete VIN. A VIN derivative contains the following 9 positions:

#### VIN Derivative

Position | Definition | Character | Description
--- | --- | --- | ---
1 | GM Division Identifier | C K N T | Chevrolet Truck GMC MPV Chevrolet MPV GMC Truck
2 | Model Year | 7 | 2007
3 | Assembly Plant | 8 | Shreveport, LA
4-9 | Plant Sequence Number | -- | Plant Sequence Number

A VIN derivative can be used to determine if a vehicle contains the original engine or transmission, by matching the VIN derivative positions to their accompanying positions in the complete VIN:

#### VIN Derivative Equivalent

VIN Derivative Position | Equivalent VIN Position
--- | ---
1 | 3
2 | 10
3 | 11
4-9 | 12-17

#### 2.9L LLV Engine ID and VIN Derivative Location

Refer to Engine Identification .

#### 3.7L LLR Engine ID and VIN Derivative Location

Refer to Engine Identification .

#### 4L60-E/4L65-E Transmission ID and VIN Derivative Location

Refer to Transmission Identification Information .