Find all the top-rated and best Hummer H3 Gauges here. Give your interior a new look with some new Hummer H3 gauges and clusters. We carry H3 gauges that display virtually any function, such as speed, cylinder head temperature, and volts. Whatever style you're thinking of for your H3, old-school or modern, gauge clusters are available in any and every style you can imagine. Shopping Hummer H3 gauges and clusters and enhancing your interior is a snap with AAG.