Description: All models. 11.50. Without wide axle. Silverado, sierra. 11.50. Without dual rear wheels. 12000 lb towing capacity. 3/4 & 1 ton, 11.50 ring gear, without dual rr wheels. Transfers torque from your vehicle's differential assembly to the wheels Designed, engineered, tested, and warranted for GM vehicles Precise fit for ease of installation For proper installation, locate your nearest GM dealer, independent service center, or body shop

Description: Express, savana. 1 ton. All. Without saginaw-american axle. Ring Gear 10.50". Silverado, sierra. 10.50. Suburban 3500hd. , 3/4 ton. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors