Your vehicle deserves only genuine OEM GM parts and accessories. To ensure reliability, purchase GM part # 12479321 Gear Kit,Front Differential Side & Pinion (Also Used On 4A1, X0412). Our GM parts and accessories are expedited directly from authorized GM dealers strategically located all across the U.S. and are backed by the manufacturer's 12 month, 12,000 mile warranty. OEM GM parts are the best for restoring your vehicle to factory condition performance. This part fits specific Cadillac Brougham, Escalade, Fleetwood models. It fits Chevrolet Blazer, Silverado, Tahoe. It also fits GMC Sierra, Suburban, Yukon. This also fits Hummer H2.
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