A Mazda B-Series VIN opens with 4F4 (the United States). A 2010 B-Series carries A in position 10.
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How to read a Mazda B-Series VIN
Here is a real 2002 Mazda B-Series VIN from our database, split into its parts:
VIN 4F4YR12D62TM01253 — decoded free on its own report page.
| Position | Section | What it tells you |
|---|---|---|
| 1–3 | WMI | World Manufacturer Identifier — country, manufacturer and vehicle type. |
| 4–8 | VDS | Vehicle Descriptor Section — body style, engine, restraint system, series. |
| 9 | Check digit | A calculated digit that validates the whole VIN. Wrong digit = wrong VIN. |
| 10 | Model year | One character for the model year. Letters skip I, O, Q, U and Z. |
| 11 | Plant | The assembly plant that built the car. |
| 12–17 | Serial | Sequential production number of this exact vehicle. |
Where Mazda B-Series VINs say the car was built
The first three characters are the World Manufacturer Identifier. Across 11 Mazda B-Series VINs we have on file, these are the codes that actually show up — and the plants behind them:
| WMI | Built in | Vehicle type | VINs on file | Share |
|---|---|---|---|---|
| 4F4 | United States | — | 8 | |
| JM2 | Japan | Truck | 3 |
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 Mazda B-Series
Position 10 carries the model year, skipping I, O, Q, U and Z. The alphabet comes round every 30 years, which the Mazda B-Series has not yet outlived: its 30 years still map one-to-one. All 30 model years of the Mazda B-Series, 1981 to 2010, with the character each one carries:
| Model year | VIN character (position 10) | Same character as |
|---|---|---|
| 2010 | A | — |
| 2009 | 9 | — |
| 2008 | 8 | — |
| 2007 | 7 | — |
| 2006 | 6 | — |
| 2005 | 5 | — |
| 2004 | 4 | — |
| 2003 | 3 | — |
| 2002 | 2 | — |
| 2001 | 1 | — |
| 2000 | Y | — |
| 1999 | X | — |
| 1998 | W | — |
| 1997 | V | — |
| 1996 | T | — |
| 1995 | S | — |
| 1994 | R | — |
| 1993 | P | — |
| 1992 | N | — |
| 1991 | M | — |
| 1990 | L | — |
| 1989 | K | — |
| 1988 | J | — |
| 1987 | H | — |
| 1986 | G | — |
| 1985 | F | — |
| 1984 | E | — |
| 1983 | D | — |
| 1982 | C | — |
| 1981 | B | — |
Body and engine characters we see on Mazda B-Series VINs
Positions 4–8 are the maker's own build code. Across 11 VINs the Mazda B-Series uses 13 different characters in positions 4, 5 and 8:
| Position | Characters seen on real VINs | Variety |
|---|---|---|
| 4 — body | Y (45%) · U (27%) · Z (18%) · D (9%) | 4 distinct |
| 5 — series | R (73%) · F (18%) · C (9%) | 3 distinct |
| 8 — engine | C (27%) · U (18%) · 1 (9%) · 3 (9%) · 4 (9%) · X (9%) | 6 distinct |
What a decoded Mazda B-Series VIN gets you
What a decoded VIN opens up:
| Data | For this model | Source |
|---|---|---|
| Model years covered | 30 years | ForCar catalog |
Where to find the VIN on a Mazda B-Series
A Mazda B-Series VIN normally opens with 4F4; the full number sits in four places, and all four must match.
| Where | How to see it | Why it matters |
|---|---|---|
| Dashboard, driver side | Through the windshield, bottom corner | Easiest to check before you touch anything |
| Driver door jamb | Open the door, sticker on the pillar | Also lists tire pressures and build date |
| Under the hood | Firewall or strut tower plate | Survives a windshield replacement |
| Title and insurance | Paper documents | Must match the car — a mismatch means fraud or a swapped panel |
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Frequently asked questions
Is this Mazda B-Series VIN decoder free?
Yes, with no account. Besides the year, plant and build characters it shows the recalls NHTSA holds on the Mazda B-Series.
What year is my B-Series by its VIN?
Read position 10: a 2010 B-Series carries A, a 2009 B-Series carries 9, a 2008 B-Series carries 8.
What does position 4 mean on a Mazda B-Series VIN?
It is part of the maker's own build code, so read it against this model, not a generic chart. On 11 Mazda B-Series VINs here, Y is the most common character in position 4, on 45% of them.
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