1975-1980 Jeep CJ Vehicle Identification Number (VIN) Decoder | Quadratec

1975-1980 Jeep CJ VIN numbers can be found in a few different places. They can be on the driver's side firewall near the brake master cylinder, on the driver's side dash or near the parking brake lever on the inside body panel.

Character

1st

J
(Jeep Corp.)

Make

2nd

5 = 1975
6 = 1976
7 = 1977
8 = 1978
9 = 1979
0 = 1980

Year

3rd

A = Auto
F = 3 speed
M = 4 speed

Transmission

4th & 5th

83 = CJ-5
84 = CJ-6
93 = CJ-7

Model

6th

A = 3,750 lbs
E = 4,150 lbs

GVW
(Gross Vehicle Weight)

7th

A = 258ci, 1 bbl
C = 258ci, 2 bbl
E = 232ci, 1 bbl
H = 304ci, 2 bbl

Engine

8th - 13th

######

SSN
(Sequential Serial Number)

Courtesy of Jeepfan.com

Tags:

Jeep CJ (Civilian Jeep)

Comments

Top Jeep Articles

January 9, 2026
4 min read

Seven Slot Dispatch 1.9.2026

Weekly Jeep-related news items from around the industry and community.

A Jeep Wrangler climbing rocks with a display of tire sizes

January 8, 2026
3 min read

Jeep Tire Size Calculator — Instant, Accurate Tire Fit Results

Instant Jeep Tire Size Calculator for Wrangler, Gladiator & More.

January 7, 2026
6 min read

Jeep Wheel Care & Maintenance: How to Keep Your Rims Looking Trail-Ready

A few minutes of wheel maintenance can help your Jeep’s style, performance, and resale value go the distance—on and off the trail.

January 5, 2026
6 min read

Top Five Jeep Seat Covers

Protective and stylish, Jeep seat covers are an excellent way to keep your factory seats in top shape while adding comfort and breathability.

January 2, 2026
4 min read

Seven Slot Dispatch 1.2.2026

Weekly Jeep-related news items from around the industry and community.

The front grille and headlight of a red Jeep Wrangler

December 30, 2025
10 min read

Top Products For Your Quadratec Gift Card

If you have a Quadratec gift card just asking to be redeemed, well, here are the most innovative ways to turn it into real Jeep upgrades. From power and lighting to recovery gear and trail-ready essentials.

December 26, 2025
4 min read

Seven Slot Dispatch 12.26.2025

Weekly Jeep-related news items from around the industry and community.

December 23, 2025
4 min read

Five Things You Didn’t Know About the Jeep Recon

Jeep’s first all-electric SUV blends Trail Rated capability, open-air design, and surprising performance in a bold new chapter for the brand.

Embedded thumbnail for Tactik JK to JL Style Fender Flares for 07-18 Jeep Wrangler JK | Features, Benefits &amp; Full Install

December 19, 2025

Tactik JK to JL Style Fender Flares for 07-18 Jeep Wrangler JK | Features, Benefits & Full Install