How to Decode Your Car VIN: The 17-Character Guide

Your VIN reveals country, manufacturer, engine, transmission, and production year. Learn how to decode it and use it to order the exact right parts.

Vehicle identification number plate on a car door jamb

# Decoding Your Car's VIN

Every vehicle sold worldwide since 1981 has a unique 17-character VIN. Understanding it helps you order parts with 100% fitment confidence.

Structure

  • Chars 1–3 (WMI): Country + manufacturer (e.g. `JT1` = Toyota Japan)
  • Chars 4–8 (VDS): Model, body, engine, transmission
  • Char 9: Check digit
  • Char 10: Model year (A=1980, B=1981... N=2022, P=2023, R=2024, S=2025, T=2026)
  • Char 11: Plant
  • Chars 12–17: Production sequence

Where to find your VIN

  • Driver-side dashboard (visible through windshield)
  • Driver-door jamb sticker
  • Vehicle registration card

Using VIN with partAT

Paste your VIN into any partAT request and suppliers will match the exact OEM references for your specific build.