Bodystyle of Car. 1 – Hardtop, 2 – Two Door Hatchback Coupe, 3 – Two Door Convertible
2 (Seventh Digit)
Type of Restraint System. 2 – Passive Restraint System.
G (Eighth Digit)
Type of Engine. G – LS1: 5.7 Liter, 346CI Engine, S – LS6: 5.7 Liter, 346 CI Engine
3 (Ninth Digit)
Check Digit (varies)
4 (Tenth Digit)
The Model Year. 4 – 2004
5 (Eleventh Digit)
Location of the Assembly Plant. 5 – Bowling Green, Kentucky
1XXXXX (Twelfth thru Seventeenth Digits)
Production Sequence Numbers.
The last six digits begin at 100001 and run thru 135469. The pilot and prototype cars were given a VIN number in this VIN series. Each Vehicle Identification Number (VIN) is unique to an individual car.
For all 2004 Corvettes in the U.S. and Canada, the Vehicle Identification Number (VIN) was stamped on a plate on the inner vertical surface of the left windshield pillar visible through the windshield. (See Figure below)
For all 2004 Corvettes exported from the U.S. the Vehicle Identification Number (VIN) was stamped onto the vehicle frame rail. (See Figure below)
2004 Corvette Engine VIN Derivative
All engines are stamped or laser etched with a partial vehicle identification number (VIN), which was derived from the complete VIN.
145100001 – 1451134064
The engine VIN derivative contains the following nine positions:
1 (First Digit) – GM Division Identifier. 1 – Chevrolet
The 6-speed manual transmission, the Borg Warner Modified T-56 (RPO MM6), is stamped with a VIN Derivative, which will be located in either the primary or secondary location, as shown. (See Figure 5 above).
2004 Corvette Automatic Transmission Identification (ID) Number
The 4-speed overdrive automatic transmission, the Hydra-Matic 4L60-E (RPO M30), has an identification number with stick-on labels, laser etching, or stampings. (see Figure 6 below.)
The Automatic transmission ID Number contains the following nine positions
4 (First Digit) – Model Year. 4 – 2004
Y (Second and Third Digit) – Model. Y – Corvette
D (Fourth Digit) – Transmission Type. D – HYDRA-MATIC 4L60-E
4 (Fifth Digit) – Calendar Year. 4 – 2004
XXX (Sixth thru eighth Digit) – Julian Date (or Day of the Year)
X (Ninth Digit) – Shift Build
Hydra-Matic 4L60-E Transmission ID Label Location
The transmission identification number (Figure 6) indicates the transmission model type and when the unit was built.