Ford Mustang (1999-2004) Service Manual: Vehicle Identification Number (VIN) Locator

The vehicle identification number (VIN) is a seventeen-digit alphanumeric code. The VIN is stamped on a metal tab riveted to the instrument panel, top upper left of the dash. The VIN number is also found on the vehicle certification (VC) label.

World Manufacturer Identifier (WMI)

The first three vehicle identification number (VIN) positions are the world manufacturer identifier (WMI).

• 1FA - Ford, USA, passenger car

Restraint Type Code

The fourth VIN position is the vehicle restraint system type code.

• F - Active safety belts - all positions, driver and front passenger air bags

Line, Series and Body Type Code

Positions 5 through 7 indicate vehicle line, series and body type.

• P40 - Two-door coupe
• P42 - Two-door coupe, GT (Mach One available in GT Coupe only)
• P44 - Two-door convertible
• P45 - Two-door convertible, GT
• P48 - Two-door coupe, Cobra
• P49 - Two-door convertible, Cobra

Engine Code

The eighth VIN position is the engine displacement and number of cylinders code.

• 4 - 3.8L, OHV, EFI, six cylinder
• R - 4.6L, DOHC, EFI, eight cylinder (Mach One)
• X - 4.6L, SOHC, EFI, eight cylinder
• Y- 4.6L, DOHC, S/C, EFI, eight cylinder (Cobra)

Computer Generated Check Digit

The ninth VIN position is a government assigned, computer-generated check digit code (0-9).

Model Year Code

The tenth VIN position is the model year code.

• 3 - 2003

Assembly Plant Code

The eleventh VIN position is the assembly plant code.

• F - Dearborn, Michigan (USA)

Production Sequence Number

The last six VIN positions are the production sequence number. This number is also used as the vehicle serial and warranty number.

• 100001-599999

Vehicle Certification (VC) Label