OMIX proudly offers high - quality replacement parts so that you can keep you part of the Jeep heritage on the road - parts that always meet or exceed manufacturers specs for quality you can trust. This replacement front differential ring pinion set fits 97 - 06 Wrangler TJ models equipped with Dana 30 front differentials with 3.55 gear ratio. Includes a 39 - tooth ring gear, 11 - tooth pinion gear, bearings, ring gear bolts, shims, pinion seal, crush sleeve, and pinion nut. Replaces OE 4864906