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I've misplaced my fuel cap because reasons. I need to get a new one, but I'm not sure what exactly I should be looking for or how to figure out what will work for my vehicle.
Are all caps the same? Are gas caps universal enough that buying one would work for most any car? If not, what would be the best way to determine if a given cap would work for my vehicle?
I specifically have a 2008 Pontiac G6, but hopefully this question could be applied to any person in a similar predicament.
Unless the price difference is outrageous, you're probably better off sticking with OEM. The reason being is that aftermarket caps (even by reputable brands) can leak, and based on what I remember hearing on Car Talk, it's not unusual. Leaking is bad because your emissions system can't work properly and you'll end up getting a check engine light. The other advantage is aftermarkets don't seem to include the straps and what-have-you that tether the cap to the car. That said, I've used Gates on a few cars and had no problems.
I agree with MooseLucifer, too. If you have one nearby, getting one from a local scrap yard (or eBay) would be a very cheap option. There's a really good chance your cap will fit other cars, so having a list of those other cars would make the scrap yard trip easier. Maybe someone else can pipe in with how to get said list.
The gas cap you are looking at is a fairly generic gas cap. However, not just any one will fit on. If you get a gas cap from one of the following vehicles, it should fit:
Check to make sure that the particular trim matches your vehicle's as well...
