Jeep VIN Decoder 1987–1990
Jeep VIN Decoder 1987–1990: Wrangler YJ, Cherokee XJ & Comanche MJ
Do you want to decode the Vehicle Identification Number (VIN), chassis number or serial number of your classic Jeep? This guide helps you identify Jeep models from 1987 to 1990 – an important transition period when AMC became part of Chrysler and the first Jeep Wrangler YJ entered the market.
This page focuses on the Jeep Wrangler YJ, the Jeep Cherokee XJ and the rare Jeep Comanche MJ pickup. Correct VIN decoding is especially important for these models because engine type, fuel injection system, brake components, axles, transmission, trim level and assembly plant can vary significantly depending on the exact model year.
The 17-character Vehicle Identification Number is the technical identity of your Jeep. It helps you select suitable Jeep spare parts, wear parts and accessories more reliably – especially for brake parts, sensors, fuel system components, suspension parts, engine parts, transmission parts and electrical components.
Quick Tip: Identify the Model Year by the 10th VIN Character
On a standardized 17-character Jeep VIN, the 10th character identifies the official model year. For this guide, the relevant codes are:
- H = 1987
- J = 1988
- K = 1989
- L = 1990
Important: For parts compatibility, the model year according to the VIN is often more important than the date of first registration.
Which Jeep Models Are Covered in This VIN Guide?
This guide is designed for owners, restorers, buyers and workshops who want to identify late-1980s Jeep vehicles more accurately. The most relevant model lines are the Wrangler YJ, Cherokee XJ and Comanche MJ.
| Jeep model | Relevant period | Why VIN identification matters | Relevant shop category |
|---|---|---|---|
| Jeep Wrangler YJ | from 1987 | First Wrangler generation with square headlights. Important for 2.5 L, 4.2 L, early trim levels and YJ-specific body and suspension parts. | Jeep Wrangler YJ spare parts & accessories |
| Jeep Cherokee XJ | 1984–2001 | Early XJ years with Renix-era technology, different engine codes, 2WD/4WD versions and body / trim code differences. | Jeep Cherokee XJ spare parts & accessories |
| Jeep Comanche MJ | 1986–1992 | Pickup based on the Cherokee XJ platform with its own wheelbase, 2WD/4WD, GVWR and body-style codes. | Search Jeep Comanche MJ parts |
Where Can I Find the VIN on My Jeep?
The 17-character Vehicle Identification Number can usually be found in the following locations on Jeep vehicles from this period:
- Vehicle registration documents or title: the first reference point for the registered VIN.
- Dashboard / windshield: usually visible from outside at the lower driver-side corner of the windshield.
- Data plate or sticker: depending on model, also on the door, firewall or inside the engine compartment.
- Frame / body markings: imported, restored or older vehicles may have additional stamped or tagged numbers.
How to Read the VIN Correctly
- 7th digit is a number → model range 1980–2009.
- 7th digit is a letter → model range 2010–2039.
- 10th character from the left → official model year.
Why Are VIN Codes from 1984 Included?
Although this page focuses on the years 1987 to 1990, the Jeep Cherokee XJ was introduced earlier, in 1984. The VIN logic used during these years is closely connected to AMC-era coding and overlaps with early XJ and MJ identification. For that reason, this guide includes relevant VIN codes from 1984 onward to help identify early Cherokee XJ and Comanche MJ vehicles more reliably.
What Does the 1987–1990 Jeep VIN Reveal?
Your VIN can provide important technical details that are relevant for maintenance, restoration and correct parts selection:
- Country and manufacturer: USA or Canada, Jeep Corporation, American Motors or Jeep Canada.
- Vehicle type: MPV, pickup truck, export model or incomplete vehicle.
- Engine code: for example 2.1 L turbo diesel, 2.5 L 4-cylinder, 4.0 L inline-six or 4.2 L inline-six.
- Transmission / drivetrain: manual or automatic transmission, 2WD or 4WD.
- Body style: Wrangler, Cherokee, Comanche, 2-door, 4-door, pickup or open-body Wrangler.
- Trim level: Base, Pioneer, Laredo, Limited, Sahara, Islander or other model series.
- Assembly plant: Toledo, Ohio or Brampton, Ontario.
Why Correct VIN Identification Matters for Spare Parts
The years from 1987 to 1990 are technically important because AMC and Chrysler structures overlap. In addition, there were differences in fuel injection systems, sensors, axles, brake systems, transmissions, body variants and electrical components.
A correctly decoded Jeep VIN is especially helpful when selecting:
- brake parts and wheel hub components,
- sensors, fuel injection and fuel system parts,
- engine gaskets, cooling parts and engine accessories,
- transmission and clutch parts,
- axle parts, differential components and wheel bearings,
- body, soft top and interior parts.
Find Suitable Jeep Parts After VIN Identification
Jeep VIN 1984–1988: Wrangler YJ, Cherokee XJ & Comanche MJ
This VIN block is mainly relevant for early Cherokee XJ, Comanche MJ and the first Wrangler YJ vehicles. For 1987 and 1988, the table covers the most important codes for country, manufacturer, vehicle type, engine, powertrain, body style, GVWR, model year, assembly plant and serial number.
Jeep VIN Codes 1984–1988
| VIN position | Meaning | Code | Explanation |
|---|---|---|---|
| 1 | Country | 1 | USA |
| 1 | Country | 2 | Canada |
| 2 | Manufacturer | J | Jeep Corporation |
| 2 | Manufacturer | B | American Motors Canada Inc. |
| 3 | Vehicle type | C | MPV / Multi Purpose Vehicle |
| 3 | Vehicle type | T | Pickup truck |
| 3 | Vehicle type | D | Incomplete vehicle |
| 3 | Vehicle type | E | Export, left-hand drive |
| 3 | Vehicle type | F | Export, right-hand drive |
| 4 | Engine | B | 2.1 L 4-cylinder turbo diesel |
| 4 | Engine | E | 2.5 L 4-cylinder, 1-barrel carburetor |
| 4 | Engine | Y | 2.5 L 4-cylinder, 1-barrel carburetor |
| 4 | Engine | C | 4.2 L 6-cylinder, 2-barrel carburetor |
| 4 | Engine | M | 4.0 L inline-six, MPI |
| 4 | Engine | H | 2.5 L 4-cylinder, TBI |
| 5 | Powertrain | M | 4-speed manual, floor shift, 4WD |
| 5 | Powertrain | X / Y | 4-speed manual, floor shift, 4WD |
| 5 | Powertrain | S | 4-speed manual, floor shift, 2WD |
| 5 | Powertrain | F | 5-speed manual, floor shift, 4WD |
| 5 | Powertrain | L | 5-speed manual, floor shift, 4WD |
| 5 | Powertrain | V | 5-speed manual, floor shift, 4WD |
| 5 | Powertrain | W | 5-speed manual, floor shift, 2WD |
| 5 | Powertrain | E / Z | 3-speed automatic, column shift, 4WD |
| 5 | Powertrain | J | 3-speed automatic, column shift, 4WD |
| 5 | Powertrain | G | 4-speed automatic, column shift, 2WD |
| 5 | Powertrain | P | 4-speed automatic, column shift, 4WD |
| 5 | Powertrain | R | 4-speed automatic, floor shift, 4WD |
| 5 | Powertrain | T | 4-speed automatic, floor shift, 4WD |
| 5 | Powertrain | U | 4-speed automatic, floor shift, 2WD |
| 6–7 | Body style | 63 | Comanche 4WD pickup, 113 in wheelbase |
| 6–7 | Body style | 64 | Comanche 2WD pickup, 113 in wheelbase |
| 6–7 | Body style | 65 | Comanche 4WD pickup, 120 in wheelbase |
| 6–7 | Body style | 66 | Comanche 2WD pickup, 120 in wheelbase |
| 6–7 | Body style | 73 | Cherokee 2WD, 2-door wagon |
| 6–7 | Body style | 74 | Cherokee 2WD, 4-door wagon |
| 6–7 | Body style | 77 | Cherokee 4WD, 2-door wagon |
| 6–7 | Body style | 78 | Cherokee 4WD, 4-door wagon |
| 6–7 | Body style | 79 | Cherokee 4WD, 4-door wagon |
| 6–7 | Body style | 81 | Wrangler open body, 93.5 in wheelbase |
| 6–7 | Body style | 82 | Wrangler open body, 103.5 in wheelbase |
| 8 | GVWR / trim | J / K / L / M | 3001–4000 lb, depending on Wrangler or Cherokee trim |
| 8 | GVWR / trim | 1 / 2 / 3 / 4 / 5 / 9 | 4001–5000 lb, depending on Base, Sport, Sahara, Laredo, Pioneer, Chief, Limited or Comanche version |
| 8 | GVWR / trim | F / R / U | 5001–6000 lb, depending on Comanche version |
| 9 | Check digit | 0–9 / X | VIN check character |
| 10 | Model year | E | 1984 |
| 10 | Model year | F | 1985 |
| 10 | Model year | G | 1986 |
| 10 | Model year | H | 1987 |
| 10 | Model year | J | 1988 |
| 10 | Model year | K | 1989 |
| 10 | Model year | L | 1990 |
| 11 | Assembly plant | T | Toledo, Ohio |
| 11 | Assembly plant | B | Brampton, Ontario |
| 12–17 | Serial number | six digits | Sequential vehicle build number |
Jeep VIN 1989–1990: Cherokee XJ & Comanche MJ
For the 1989 and 1990 model years, the VIN structure for the Cherokee XJ and Comanche MJ differs from the earlier block. The most important changes relate to body style, engine, trim level and car-line codes.
Jeep Cherokee XJ & Comanche MJ VIN Codes 1989–1990
| VIN position | Meaning | Code | Explanation |
|---|---|---|---|
| 1 | Country | 1 | USA |
| 1 | Country | 2 | Canada |
| 2 | Manufacturer | J | Jeep USA |
| 2 | Manufacturer | B | Jeep Canada |
| 3 | Vehicle type | 4 | MPV / Multi Purpose Vehicle |
| 3 | Vehicle type | 6 | Incomplete vehicle |
| 3 | Vehicle type | 7 | Pickup truck |
| 4 | GVWR | E | 3001–4000 lb |
| 4 | GVWR | F | 4001–5000 lb |
| 4 | GVWR | G | 5001–6000 lb |
| 4 | GVWR | H | 6001–7000 lb |
| 5 | Car line | J | Cherokee or Comanche 4WD |
| 5 | Car line | N | Wagoneer 4WD |
| 5 | Car line | T | Cherokee or Comanche 2WD |
| 6 | Series | 2 | Base |
| 6 | Series | 3 | Pioneer |
| 6 | Series | 5 | Laredo |
| 6 | Series | 6 | Wagoneer / Eliminator / Cherokee Sport, depending on model context |
| 6 | Series | 7 | Limited |
| 7 | Body style | 6 | Pickup truck |
| 7 | Body style | 7 | 2-door sport utility |
| 7 | Body style | 8 | 4-door sport utility |
| 8 | Engine | D | 2.5 L 4-cylinder, leaded fuel |
| 8 | Engine | E | 2.5 L 4-cylinder, unleaded fuel |
| 8 | Engine | L | 4.0 L 6-cylinder, unleaded fuel |
| 8 | Engine | M | 4.2 L 6-cylinder, unleaded fuel |
| 8 | Engine | U | 4.0 L 6-cylinder, leaded fuel |
| 8 | Engine | 7 | 5.9 L 8-cylinder, unleaded fuel |
| 8 | Engine | T | 4.2 L 6-cylinder, unleaded fuel |
| 9 | Check digit | 0–9 / X | VIN check character |
| 10 | Model year | H | 1987 |
| 10 | Model year | J | 1988 |
| 10 | Model year | K | 1989 |
| 10 | Model year | L | 1990 |
| 11 | Assembly plant | T | Toledo, Ohio |
| 11 | Assembly plant | B | Brampton, Ontario |
| 12–17 | Serial number | six digits | Sequential vehicle build number |
Jeep Wrangler YJ VIN 1989–1990
The Jeep Wrangler YJ uses its own VIN coding for the 1989 and 1990 model years. The most important codes in this section are car line, series, body style and engine.
Jeep Wrangler YJ VIN Codes 1989–1990
| VIN position | Meaning | Code | Explanation |
|---|---|---|---|
| 1 | Country | 1 | USA |
| 1 | Country | 2 | Canada |
| 2 | Manufacturer | J | Jeep USA |
| 2 | Manufacturer | B | Jeep Canada |
| 3 | Vehicle type | 4 | MPV / Multi Purpose Vehicle |
| 3 | Vehicle type | 6 | Incomplete vehicle |
| 3 | Vehicle type | 7 | Pickup truck |
| 4 | GVWR | E | 3001–4000 lb |
| 4 | GVWR | F | 4001–5000 lb |
| 4 | GVWR | G | 5001–6000 lb |
| 4 | GVWR | H | 6001–7000 lb |
| 5 | Car line | Y | Wrangler |
| 6 | Series | 1 | Standard |
| 6 | Series | 2 | Base |
| 6 | Series | 3 | Islander |
| 6 | Series | 4 | Sahara |
| 6 | Series | 5 | Laredo |
| 7 | Body style | 9 | 2-door open body |
| 8 | Engine | E | 2.5 L 4-cylinder, unleaded fuel |
| 8 | Engine | L | 4.0 L 6-cylinder, unleaded fuel |
| 8 | Engine | M | 4.2 L 6-cylinder, unleaded fuel |
| 8 | Engine | T | 4.2 L 6-cylinder, unleaded fuel |
| 9 | Check digit | 0–9 / X | VIN check character |
| 10 | Model year | H | 1987 |
| 10 | Model year | J | 1988 |
| 10 | Model year | K | 1989 |
| 10 | Model year | L | 1990 |
| 11 | Assembly plant | T | Toledo, Ohio |
| 11 | Assembly plant | B | Brampton, Ontario |
| 12–17 | Serial number | six digits | Sequential vehicle build number |
More Jeep VIN and Identification Guides
Do you need another production period? Use our other Jeep VIN and serial number guides:
- Jeep serial number & VIN 1941–1971
- Jeep CJ VIN & serial number 1971–1986
- Jeep VIN & identification 1991–1996
- Jeep VIN & identification 1997–2004
Jeep VIN and Vehicle Identification Overview
For all other model ranges and production periods, please use our central Jeep VIN & Vehicle Identification Overview.
Frequently Asked Questions About Jeep VINs 1987–1990
Which Jeep models are covered in this guide?
This page mainly covers the Jeep Wrangler YJ, Jeep Cherokee XJ and Jeep Comanche MJ from 1987 to 1990. Relevant XJ and MJ VIN codes from 1984 onward are also included.
Which VIN character identifies the model year?
On the 17-character VIN, the 10th character identifies the model year. For this page: H = 1987, J = 1988, K = 1989 and L = 1990.
Why is the model year more important than the first registration date?
A vehicle may have been registered later than its technical model year. For spare parts selection, the model year according to the VIN is therefore often more important than the first registration date.
Why are there separate VIN tables for 1984–1988 and 1989–1990?
Cherokee XJ, Comanche MJ and Wrangler YJ VIN codes changed in several areas during this period. Separate tables help avoid confusion when identifying model, body style, engine, trim and assembly plant.
Why is VIN decoding important when ordering Jeep spare parts?
Engine, transmission, axles, brake system, sensors and body variants can differ significantly. Correct VIN decoding helps select the right Jeep spare parts more reliably.
Where can I find spare parts for these Jeep models?
For Wrangler YJ parts, use our Jeep Wrangler YJ spare parts & accessories category. For Cherokee XJ parts, use our Jeep Cherokee XJ spare parts & accessories category. For Comanche MJ parts, use the shop search for Jeep Comanche MJ.
