1975 Corvette VIN Decoder & Specs

Unlock the secrets of your classic 1975 Corvette with our detailed VIN and trim tag decoder. Verify your car's originality and production history. The trim tag analysis will reveal the factory-applied interior and exterior colors, plus the exact build date, essential for accurate restoration. Decoders for other components can be found here.

In 1975, a total of 38,465 Corvettes were manufactured, comprising 31,972 Coupes and 6,493 Convertibles.

Table of Contents


1975 Corvette GM advertisement showcasing the iconic design and features of the 1975 Corvette model
1975 Corvette Advertisement – Showcasing the Classic Design

How to Decode Your 1975 Corvette VIN – Full Breakdown & Guide

Uncover the detailed specifications of your 1975 Corvette with our VIN and trim tag decoder. Input your VIN to learn about the engine, body, and transmission options. This tool helps confirm your car's authenticity and production details. The trim tag analysis provides original color codes and build date, crucial for historical preservation.

VIN
Trim tag
1968–1981

Having trouble with the VIN decoder? Whether it's an unusual code, missing data, or you need help verifying a numbers-matching car, contact. Happy to help.

1975 VIN range
1Z37J5S400001 – 1Z37J5S438465

1975 Corvette VIN Breakdown

Position Description Possible Values
1Make1 = Chevrolet
2SeriesZ = Corvette
3–4Body Style37 = Coupe
5EngineJ = L48
T = L82
6Model Year5 = 1975
7Assembly PlantS = St. Louis
8–13Unit Number400001 – 438465

All specifications and VIN decoding details on this page are sourced from the official 1975 Chevrolet Corvette Vehicle Information Kit (PDF) published by General Motors.


You can use the Corvette C3 Decoder to decode other Corvette 1975 codes and view Corvette 1975 charts on the Corvette C3 chart article. All specifications and VIN decoding details are based on official Chevrolet data from GM’s 1975 Corvette Vehicle Information Kit .

1975 Corvette Specifications

Verify the factory colors of your 1975 Corvette using this guide. Below is a comprehensive list of available exterior and interior colors, complete with color codes and visual examples. This resource helps ensure accuracy in confirming your 1975 Corvette’s original finish.

Exterior Colors

Code Color Color sample
10 Classic White  
13 Silver  
22 Bright Blue  
27 Steel Blue  
42 Bright Green  
56 Bright Yellow  
67 Medium Saddle  
70 Orange Flame  
74 Dark Red  
76 Mille Miglia Red  

Interior Colors

The 1975 Corvette offered buyers a choice of either leather or vinyl interior upholstery. Color options varied slightly depending on the chosen material.

Code Color Color sample
19V Black Vinyl  
192 Black Leather  
73V Dark Red Vinyl  
732 Dark Red Leather  
26V Dark Blue Vinyl  
262 Dark Blue Vinyl  
65V Medium Saddle Vinyl  
652 Medium Saddle Leather  
14V Silver Vinyl  
142 Silver Leather  
60V Neutral Vinyl  

Color combinations

For the 1975 Corvette, Chevrolet offered a selection of interior color options. Buyers could create custom combinations by choosing from leather and vinyl materials, allowing them to match their interior to their chosen exterior.

Exterior Colors Interior Colors
Silver Black Blue Neutral Saddle Red
Classic White X X X X X X
Silver Metallic X X X X X
Bright Blue Metallic X X X
Steel Blue Metallic X X X
Bright Green Metallic X X X X
Bright Yellow X X X
Medium Saddle Metallic X X X
Orange Flame X X X X X
Dark Red Metallic X X X X X

Chassis

Wheelbase Length Width Weight
98 in 185.2 in 69.0 in Coupe: Curb: 3,529 lb; Shipping: 3,433 lb
Convertible: Curb: 3,542 lb; Shipping: 3,446 lb

Curb weight: Weight of the empty vehicle ready to drive. Shipping weight plus the weight of gasoline and water.

Shipping weight: Weight of the basic vehicle with regular equipment, grease, and oil. Weight of gasoline and water not included.

1975 Corvettes were outfitted with GR70-15 radial tires. Learn more about the tires used on Corvettes in the article Corvette C3 RPM Calculator.


1975 Corvette Engine Options

Engine
Code
Order
Code
CI HP Equipment
CHA L48/Federal 350 165 4-Speed
CHB L48(Federal) 350 165 TH400
CHC L82(Federal) 350 205 4-Speed
CHR L82(Federal) & California 350 205 TH400
CHU L48(Federal) 350 165 4-Speed
CHZ L48(California) 350 165 TH400
CKC L82(Federal) 350 205 TH400
CRJ L48(Federal) 350 165 4-Speed
CRK L48(Federal) 350 165 TH400
CRL L82(Federal) 350 205 4-Speed
CRM L82(Federal) 350 205 TH400
CUA L48(Federal) 350 165 4-Speed
CUB L48(Federal) 350 165 4-Speed
CUD L82(Federal) 350 205 4-Speed
CUT L82(Federal) 350 205 4-Speed

You can read more from the Corvette C3 Engines article.


1975 Corvette Transmission Options

Code Type Transmission
W Manual Warner 4-Speed
CK Automatic Turbo Hydra-Matic 400 with L48 350 engine
CZ Automatic Turbo Hydra-Matic 400 with L82 350 engine

You can read more from the Corvette C3 Transmissions article.


1975 Corvette RPO Codes and Options

Chevrolet offered a number of options to allow buyers to customize their Corvette to their exact specifications.

Code Option Total
1YZ37 Corvette sport coupe 33,836
1YZ67 Corvette convertible 4,629
Base Vinyl trim -
- Leather trim -
A31 Power windows 28,745
A85 Deluxe shoulder harness 646
C07 Auxiliary hardtop 2,407
C08 Auxiliary hardtop vinyl 279
C50 Rear window defroster 13,760
C60 Air conditioning 31,914
FE7 Gymkhana suspension 3,194
J50 Power brakes 35,842
L48 350 165 hp engine 36,093
L82 350 205 hp engine 2,372
M20 4-speed standard manual transmission 8,935
M21 4-speed close-ratio manual transmission 1,057
M40 Turbo Hydra-Matic transmission 28,473
N37 Tilt and telescopic steering column 31,830
N40 Power steering 37,591
QRM GR70 x 15 white stripe radial tires 5,233
QRN GR70 x 15 blackwall radial tires 2,825
QRZ GR70 x 15 white lettered radial tires 30,407
U05 Dual horns 22,011
U58 AM-FM stereo radio 24,701
U69 AM-FM radio 12,902
UA1 Heavy-duty battery 16,778
UF1 Map light 21,676
UL5 Radio delete 862
YF5 California emissions 3,037
Z07 Off-road suspension and brakes 144


More Corvette C3 Articles



Share Your C3 Knowledge

Have insights to share? We welcome your expert feedback, technical discussions, and Corvette-related stories. Your contributions help keep this Corvette community thriving! Join the conversation below.

Page last updated: December 2025