Infiniti I35 VIN Decoder

Decode any Infiniti I35 VIN free: model year, plant, body and engine codes, read from 3 real I35 VINs.

NHTSA · ISO 3779 · 2002–2004 · Updated Nov 4, 2026
Quick answer

A Infiniti I35 VIN opens with JNK (Japan). Position 11, the plant, reads T; a 2004 I35 carries 4 in position 10. Decoding one also brings up 7 recall campaigns and 178 owner complaints from NHTSA.

How to read a Infiniti I35 VIN

Here is a real 2004 Infiniti I35 VIN from our database, split into its parts:

1–3 · WMIJNK
4–8 · VDSDA31A
9 · Check5
10 · Year4
11 · PlantT
12–17 · Serial202732

VIN JNKDA31A54T202732 — decoded free on its own report page.

FIG.01·Infiniti I35 VIN structure
PositionSectionWhat it tells you
1–3WMIWorld Manufacturer Identifier — country, manufacturer and vehicle type.
4–8VDSVehicle Descriptor Section — body style, engine, restraint system, series.
9Check digitA calculated digit that validates the whole VIN. Wrong digit = wrong VIN.
10Model yearOne character for the model year. Letters skip I, O, Q, U and Z.
11PlantThe assembly plant that built the car.
12–17SerialSequential production number of this exact vehicle.
ROWS 6·SOURCE ISO 3779 / NHTSA vPIC

Where Infiniti I35 VINs say the car was built

The first three characters are the World Manufacturer Identifier. Across 3 Infiniti I35 VINs we have on file, these are the codes that actually show up — and the plants behind them:

FIG.02·Infiniti I35 assembly by VIN prefix
WMIBuilt inVehicle typeVINs on fileShare
JNKJapan—3100%
ROWS 1·SOURCE NHTSA vPIC · ForCar decoded VINs

Country and vehicle type come from the NHTSA manufacturer registry. Share is measured across VINs decoded on ForCar, not production volume.

Model-year codes for the Infiniti I35

Position 10 carries the model year, skipping I, O, Q, U and Z. The alphabet comes round every 30 years, which the Infiniti I35 has not yet outlived: its 3 years still map one-to-one. All 3 model years of the Infiniti I35, 2002 to 2004, with the character each one carries:

FIG.03·Infiniti I35 VIN model-year codes
Model yearVIN character (position 10)Same character as
20044—
20033—
20022—
ROWS 3·SOURCE ISO 3779

Body and engine characters we see on Infiniti I35 VINs

Positions 4–8 are the maker's own build code. Across 3 VINs the Infiniti I35 uses 3 different characters in positions 4, 5 and 8:

FIG.04·Infiniti I35 VIN body and engine characters
PositionCharacters seen on real VINsVariety
4 — bodyD (100%)1 distinct
5 — seriesA (100%)1 distinct
8 — engineA (100%)1 distinct
ROWS 3·SOURCE ForCar decoded VINs

What a decoded Infiniti I35 VIN gets you

Behind a Infiniti I35 VIN: 178 owner complaints and every recall campaign NHTSA has on record:

FIG.05·Infiniti I35 data available by VIN
DataFor this modelSource
Recall campaigns7 campaignsNHTSA
Owner complaints178 filedNHTSA
Fuel economy20 mpg combined (avg)EPA
Model years covered3 yearsForCar catalog
ROWS 4·SOURCE NHTSA · EPA · ForCar

Where to find the VIN on a Infiniti I35

A Infiniti I35 VIN normally opens with JNK; the full number sits in four places, and all four must match.

FIG.06·Infiniti I35 VIN locations
WhereHow to see itWhy it matters
Dashboard, driver sideThrough the windshield, bottom cornerEasiest to check before you touch anything
Driver door jambOpen the door, sticker on the pillarAlso lists tire pressures and build date
Under the hoodFirewall or strut tower plateSurvives a windshield replacement
Title and insurancePaper documentsMust match the car — a mismatch means fraud or a swapped panel
ROWS 4·SOURCE ForCar
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Frequently asked questions

Is this Infiniti I35 VIN decoder free?

Yes, with no account. Besides the year, plant and build characters it shows 7 recall campaigns and 178 owner complaints NHTSA holds on the Infiniti I35.

What year is my I35 by its VIN?

Read position 10: a 2004 I35 carries 4, a 2003 I35 carries 3, a 2002 I35 carries 2.

Where was my I35 built?

Position 11 names the plant. Across 178 dated Infiniti I35 VINs it reads T 100%.

What does position 4 mean on a Infiniti I35 VIN?

It is part of the maker's own build code, so read it against this model, not a generic chart. On 3 Infiniti I35 VINs here, D is the most common character in position 4, on 100% of them.

VIN structure per ISO 3779 and NHTSA vPIC. Plant, body and engine characters observed across 3 decoded VINs on ForCar; recalls and complaints from NHTSA. Last updated Nov 2026. — ForCar Reviewed by , founder of ForCar.
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