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

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

July 18, 2025
5 min read

What Are The Differences In Off-Roading A Wrangler TJ, JK and JL

July 18, 2025
4 min read

Seven Slot Dispatch — 7.18.2025

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

July 17, 2025
2 min read

From Warhorse To Workhorse – Jeep’s CJ-2A Celebrates 80 Years

Eighty years ago, the CJ-2A rolled off the line and into history—transforming from a battlefield workhorse to a symbol of American grit, freedom, and four-wheel drive adventure.

July 16, 2025
4 min read

Expert Review: Quadratec Hardrock 2 Alloy Wheels

Discover the redesigned Hardrock 2 Alloy Wheels—built for larger tires, bold style, and trail-proven durability on your Jeep Wrangler or Gladiator.

July 15, 2025

July 2025 — New Jersey Jeep Invasion

Annual event, right on the Wildwood, New Jersey beach, involved plenty of sun, games, products, fun and, yeah, Jeeps of all kinds.

July 11, 2025
4 min read

How To Install Jeep Tubular Doors

Eliminate any misfitting or rattling issues with these simple steps.

July 11, 2025
3 min read

Seven Slot Dispatch — 7.11.2025

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

July 9, 2025
11 min read

Top Off, Gear Up: The Must Have Summer Accessories to Keep Your Jeep Cool, Clean & Trail Ready

Gear up for summer with our top product picks to keep your Jeep cooler, cleaner, safer, and adventure-ready—whether you're cruising the coast or crawling a trail.