You cannot say no to a purchase for a brand spanking new Hummer H3 gas cap if your original seems to be lost or is in decrepit form. There's no way you should let gas seep out of your Hummer H3, so you have to grab yourself an aftermarket gas cap immediately.

For those who have tried both high-priced and poor quality gas caps, there's just the middle ground left for you to tread. Parts Train has over 150 premium Hummer H3 gas cap picks available, and all of them are tagged with huge markdowns. Our product selection includes vented & non-vented cap designs for Hummer H3, with both driver & passenger side applications possible.

When you buy a Hummer H3 gas cap from Parts Train, we guarantee absolutely no spills when it comes to sealing and no frills when it comes to your shopping. Whether you look to buy just one replacement gas cap or you want to stock another one as well, you'll find that we have multiple purchase options available. Green, black, and zinc-plated are just some of our cap color choices. Your quest for a Hummer H3 gas cap begins and ends here with us. No other online aftermarket retailer offers a top brand lineup that includes AC Delco, Brite Chrome, and Brazil, so don't sleep on this shot and start shopping today!