Enter year, maker and model: 2003 Dodge Caravan
http://www.amazon.com/Stant-10838-Fuel-Cap/dp/B000B8N3MS/ref=au_pf_pfg_s?ie=UTF8&Model=Caravan|284&n=15684181&s=automotive&Make=Dodge|40&Year=2003|2003&vehicleType=automotive&newCar=1&carId=007
You should be able to buy it at local auto stores like Autozone as well.
