Looking for aftermarket parts to modify or upgrade your Hummer H3 with programmers & chips? At Tunersports.com we carry a huge selection of the top name brand performance programmers & chip parts and accessories for your H3.
Whether you have a 2006 or 2010 Hummer H3 in Adventure to X trim we have you covered. With programmers & chips from oxygen sensors to throttle controllers we have 10 H3 programmers & chip mods available. All parts have free shipping to the Continental US 48 States.
