Check the vaccum lines to the transfer case
The 2003 Dodge Durango has rear wheel drive.
The 2003 Dodge Grand-Caravan has front wheel drive.
Thy will fit on a 1999 four wheel drive but not a two wheel drive.
Fwd is standard. Awd was an option.
The 2003 MINI Cooper has front wheel drive.
The 2003 Ford Explorer has rear wheel drive.
The 2003 Ford Expedition has rear wheel drive.
The 2003 Hyundai Sonata has front wheel drive.
The 2003 Toyota Sienna has front wheel drive.
The 2003 Audi A8 has all wheel drive.
The 2003 Porsche 911 has rear wheel drive.
The 2003 Honda Insight has front wheel drive.