Truck VIN Lookup & Spec Decoder
Enter any standard 17-character vehicle identification number (VIN) to decode verified factory specifications, engine powertrain, drivetrain, cab configuration, and find guaranteed compatible parts.
Try a sample truck VIN:
How Truck VIN Decoding Works
A Vehicle Identification Number (VIN) is a 17-character alphanumeric code unique to every vehicle built since 1981. It contains encoded information established by NHTSA regulations (49 CFR Part 565):
- Digits 1–3 (WMI): World Manufacturer Identifier (e.g.
1GT= GM USA Truck,1FT= Ford USA Truck,1C6= Ram USA Truck,3TY= Toyota Mexico). - Digits 4–8 (VDS): Vehicle Descriptor Section (Gross Vehicle Weight Rating class, cab style, brake system, engine type).
- Digit 9: Security Check Digit (mathematical checksum modulo 11).
- Digit 10: Model Year code (e.g.
P= 2023,R= 2024,S= 2025). - Digit 11: Assembly Plant code.
- Digits 12–17 (VIS): Sequential production serial number.
Frequently Asked Questions
Where do I find my truck's 17-digit VIN?
Your VIN is located on the driver-side lower dashboard (visible through the windshield), on the driver-side door jamb certification label, on vehicle registration documents, and on your insurance card.
What truck specifications can be decoded from a VIN?
A standard 17-digit VIN reveals the vehicle manufacturer, model year, assembly plant, engine displacement and cylinder count, drive type (4WD, AWD, RWD), cab configuration, brake system, and Gross Vehicle Weight Rating (GVWR) class.
What is the check digit (position 9) in a VIN?
Position 9 is a mathematical security check digit calculated using a weighted modulo-11 algorithm per ISO 3779 / 49 CFR Part 565 standards. It prevents fraudulent, forged, or mistyped VINs.
Can a VIN guarantee exact aftermarket part fitment?
Decoding the VIN identifies the exact factory chassis, engine, and cab configuration. FitmentPilot uses this data to filter down to verified compatible wheel offsets, tire clearance limits, leveling kits, and bed accessories without guessing.