2014-2018 Chevy & GMC Silverado & Sierra 1500 5.3L Parts & Accessories

The Silverado & Sierra 1500s with a 5.3L V8 are some seriously tough and capable workhorses, but you can easily take your 5.3L Silverado or Sierra 1500 to the next level with Tier One's extensive lineup of performance parts and accessories! Tier One has all the Silverado or Sierra 1500 upgrades you need to get your 5.3L truck taking names on the street, down at the track, or out on the trail. We here at Tier One offer everything from our very own built Silverado & Sierra 1500 transmissions and transmission rebuild kits that can handle more power than stock while fixing common 6L80 transmission issues to bolt-on Silverado and Sierra upgrades like Silverado and Sierra 5.3L tuners, Silverado and Sierra 5.3L cold air intakes, Silverado and Sierra 5.3L exhaust kits, Silverado and Sierra leveling kits, Silverado and Sierra lift kits, and a whole bunch more! Check out our 6L80E built transmissions. If you don't see something you're looking for, contact Tier One or call 602-399-5484!