Our Hummer H3 Accessories and Parts Catalog We've been providing genuine Hummer accessories and parts online at low prices since 2000. Our genuine Hummer H3 accessories are affordably shipped directly from an authorized Hummer dealer at discounted prices. Our extensive inventory covers every Hummer model and every genuine Hummer accessory available from Hummer. We offer secure Hummer H3 accessories online ordering and expedient shipping. All our genuine Hummer H3 accessories and Hummer H3 parts are backed by Hummer's warranty, which is covered by any Hummer dealer in the US. Contact our expert customer service team for help finding any genuine Hummer H3 accessories or performance parts that you don't see in our catalog.