Find the Gear Kits you need to regear the axles in your 2007-2008 Jeep Grand Cherokee 3.0L CRD. These kits include the ring & pinion, races, seals, and bearings you need for installation. These kits are available in a wide variety of gear ratios to suit your needs, truck application, and tire size. Get high-quality brands like Yukon Gear & Axle and Nitro Gear & Axle.