1973 Chevrolet Corvette VIN Numbers

VIN Range	1Z37J3S400001 – 1Z37J3S434464
1 (First Digit)	Make/Manufacturer. 1 – Chevrolet
Z (Second Digit)	Model series. Z – Corvette
37 (Third and Fourth Digits)	37- Corvette Coupe / 67 – Corvette Convertible
J (Fifth Digit)	Engine type. J – Base Engine / T – L82 / Z – LS4
3 (Sixth Digit)	Model Year. 3 – 1973
S (Seventh Digit)	Vehicle Assembly Location. S – St. Louis, Missouri
4XXXXX (Eighth thru Thirteenth Digits)	Plant Sequence Numbers.

The last six digits begin at 400001 and run thru 434464, accounting for 30,464 Corvette Coupes/Convertibles built in 1973. 4,000 serial numbers were unused for the 1973 model year. Each Vehicle Identification Number (VIN) is unique to an individual car.

1973 Corvette Vehicle Serial Number Plate

For all 1973 Corvettes, the location of the Vehicle Identification Number (VIN) is stamped on a plate attached to the left front body hinge pillar. (See Figure 1 below.)

1973 C3 Corvette Vehicle Serial Number Plate

1973 Corvette Body Number Trim & Point Plate

Location:
- On the driver’s side upper left-hand door hinge pillar.
Example

A01 – Body build date code.
- A – Designates the Month (See Chart Below).
  - A – Aug., 1972., B – Sep., 1972., C – Oct., 1972., D – Nov., 1972., E – Dec, 1972., F – Jan., 1973., G – Feb., 1973., H – Mar., 1973., I – Apr., 1973., J – May, 1973., K – June, 1973., L – Jul., 1973
  - 01 – Designates the Day of the Month.
  - 400 – Interior Trim code. 400 – Black (Vinyl)
  - 910 – Exterior Color Code. 910 – Classic White

1973 Corvette Engine Identification & Engine Number

Location:
- All engines are stamped on the top front of the right-hand bank of cylinder and case.
Engine Identification Example:
- V0127CKZ
  - V – Engine build location
  - T – Tonawanda, NY. (All big block engines.)
  - V – Flint, MI. (All small block engines.)
  - 0127 – Date Code. Month and Day. 0127 – January 27.
  - CKZ – Type Designation. CKZ – 350ci 190hp, manual transmission.
Engine Number Example:
- 13S400001
  - 1 – Division. 1 – Chevrolet
  - 3 – Model year. 3 – 1973
  - S – Assembly Plant Designation. S – St. Lo

1973 Corvette Transmission Identification & Transmission Number

Location:
- 4-Speed (Muncie) – Stamped on the top right side of the case at adapter.
- Turbo Hydra-matic Automatic – Name plate tag on right-hand side of case.
Transmission Identification Example:
- WDP2E01D
  - WD – Type Designation. WD – 4-Speed / CK – Turbo Hydra-matic
  - P – Source Designation.
  - P – Muncie
  - 3 – Year. 2 – 1973
  - E01D – Production Month and Date.
  - E – Designates Month (See Chart Below.)
    A – Jan. / B – Feb. / C – Mar. / D – Apr. / E – May / H – June / K – July / M – Aug. / P – Sept. / R – Oct. / S – Nov. / T – Dec.
  - 01 – Designates Day of the month.
  - D or N – Designates Day or Night Shift on Automatic only.