Doc's Diesel Premium E-Coated Wheel Hub Assembly Kits: Update your vehicle’s performance and reliability with Doc’s E-coated Hub Assemblies. Our hubs are E-coated, and they're designed to perform in the harshest conditions—from off-road adventures to heavy-duty hauling and extreme weather. These hub assemblies feature cutting-edge materials and construction enhancements, including inner wheel bearings, to keep you moving with confidence. Product Details: This hub does not have torque specifications, but do NOT use an impact wrench when installing Comes with 2 Hub Assemblies Special E-Coating Treatment extends hub lifespan by providing long-lasting corrosion protection across the entire surface, including hard-to-reach areas that can be missed by traditional spray coating Advanced Quad Lip Seal blocks out contaminants, retains lubrication, and minimizes friction for optimal performance in rugged, wet, or high-load applications Upgraded ABS Cord is engineered with advanced insulation for reliable signal transmission in extreme temperatures, moisture, and corrosive settings Premium Quality Grease is a high-temp, water-resistant formula that prevents wear, rust, and oxidation for smooth, long-lasting performance Reinforced Construction for heavy-duty use with enhanced strength to withstand corrosion, UV exposure, and challenging road or terrain use Doc's auto parts all have an OEM design, fit, and function that exceeds OEM Requirements Fitment, Interchange + Doc's Part Number: Vehicle Fitment: 2020-2025 Chevrolet Silverado/GMC Sierra 6.6L Duramax 2500HD, 3500HD Interchange: Doc's DH515208-2: AC/Delco FW479, General Motors 13544070, Moog Hub Assemblies 515208, Timken HA590847 Doc's Part Number: DH515208-2 Change Interval: Above all recommendations, change according to your vehicle’s manufacturer warranty. Hub Assemblies: Every 50,000 to 75,000 miles maximum Doc's Hubs Warranty: Hubs come with a 3-year or 50,000-mile warranty, provided they are installed correctly and the vehicle uses original equipment (OE) wheels and tires. Please note that using offset or oversized tires can lead to accelerated wear of the hubs, voiding the warranty. Additionally, an impact wrench should not be used; a torque wrench must be used AND must meet the required torque specifications for your vehicle, or the warranty will also be voided.