Hi D. Benson, I'm glad to assist you. We have two options to choose from, the one that is a non-locking type and the one that is a locking type that comes with keys. It is a guaranteed fit part if your truck appears in the vehicle fitment information below (upon selecting the year, make, model, submodel, and engine size). Grab our sale offer and click the link below to buy it today. Happy shopping! https://www.carparts.com/fuel-tank-filler-neck/liland/lilfngm014?can=cpje1043_CSQA_20240321 (fuel filler neck) https://www.carparts.com/details/GMC/Savana_2500/Gates/Gas_Cap/2005/Base/8_Cyl_5-dot-3L/GAT31844.html?can=cpje1043_CSQA_20240321 (gas cap, locking type)

Hi Steve, I'm pleased to assist you. No, this is usually made of heavy aluminum. The fuel filler neck is the primary point of entry for fuel in a vehicle. It is used to bring fuel from the pump nozzle down to the fuel tank. If interested in this part, use the link below to order at 25% off the regular price today while supplies last. I hope this is helpful. Enjoy your CarParts.com online shopping experience! https://www.carparts.com/fuel-tank-filler-neck/liland/lilfngm014?can=CPGG4850_CSQA_20230113

Hi Frederick, thank you for reaching out. This item is incompatible with the 2003 Chevrolet Express 3500 van. Click this link to view and order the suggested fuel tank filler neck for your vehicle: https://www.carparts.com/search?q=fuel%20tank%20filler%20neck&itemperpage=15&vehicle[year]=2003&vehicle[make]=Chevrolet&vehicle[model]=Express_3500&vehicle[submodel]=Base&vehicle[cylinders]=8&vehicle[liter]=6%2E0&can=CPAP3648_CSQA_20220926 I hope this helps. Happy shopping.

Hi Modesto, I'm glad to assist you. This fits the Chevy Express Van and GMC Savana. But not Pick up trucks. For us to accurately identify the correct part you need. Please provide your vehicle's complete information (year, make, model, submodel, and engine size). I hope this helps. Happy shopping.