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2003 Hummer H1 Differentials

Looking for aftermarket parts to modify or upgrade your 2003 Hummer H1 with differentials? At Tunersports.com we carry a huge selection of the top name brand performance differential parts and accessories.

Differential Parts:

Only show in-stock parts

Yukon Gear & Axle Spartan Lockers

IN STOCK - DROPSHIPS SL M20-29 USA Standard Spartan Locker For Model 20 Diff w/ 29 Spline Axles / Incl. Heavy-Duty Cross Pin Shaft 2002-2004 Hummer H1 Base $719.89 Details
IN STOCK - DROPSHIPS SL XP-M20 USA Standard Spartan Locker Model 20 Spartan Locker Cross Pin 2002-2004 Hummer H1 Base $56.89 Details

Yukon Gear & Axle USA Std Steel Spools

IN STOCK - DROPSHIPS ZP FSM20-3-29 Installing a quality USA Standard Gear spool is a cost-effective way to get 100% lockup. Installation is easy as they install in place of your differential carrier assembly. Each USA Standard Gear spool is made from high-quality 8620 steel and heat treated for additional strength. A spool is an outs... USA Standard Steel Spool For Model 20 w/ 29 Spline Axles / 3.08+ 2002-2004 Hummer H1 Base $295.89 Details