Kit Includes: 2x Front Wheel Bearing & Hubs - 5150502x Rear Wheel Bearing & Hubs - 521000 Fitment: Replacement for 2002-2005 Ford Explorer (4 Door Models)Replacement for 2002-2005 Mercury MountaineerReplacement for 2003-2005 Lincoln Aviator Easy Installation The assembly performance is excellent, the overall structure is precise, and the installation is convenient. Premium Bearing Steel Detroit Axle hub bearings use high-quality bearing steel, which makes them have extremely high wear resistance and rust resistance. At the same time, high stiffness can extend the life of the product. High-Frequency Quenching Process Detroit Axle strictly control the ratio of wheel hub bearing materials and obtain high performance through the high-end heat treatment process and high-frequency quenching of the product. High Performance Detroit Axle parts are manufactured by OE Standard to meet expectations for assembly, shape, and function, providing high quality and high value. Detroit Axle is a leading global retailer of OE re-manufactured and new aftermarket auto parts. We are committed to providing first-class products and outstanding service at an incredible value. Our rapidly expanding product line includes CV Axles, Wheel Hub & Bearings, Suspension & Chassis parts, Complete Strut Assemblies, Shock Absorbers, Drilled & Slotted Brake Rotors, Conventional Brake Rotors, Ceramic Brake Pads, Rack & Pinion Assemblies, Gearboxes, Drive Shafts, Transmission, Brake Calipers, Wheel Lug Nuts and more. With over 30 years of experience, we are proud that millions of customers around the world rely on Detroit Axle parts. We have two Metro Detroit storefront locations on the north and west sides of the city. Our flagship location, in the heart of Detroit’s 8 Mile Road, is a combined retail storefront and over 180,000 square feet of the warehouse that serves as our global distribution center. Detroit Axle is a leading global retailer of OE re-manufactured and new aftermarket auto parts. We are committed to providing first-class products and outstanding service at an incredible value. Our rapidly expanding product line includes CV Axles, Wheel Hub & Bearings, Suspension & Chassis parts, Complete Strut Assemblies, Shock Absorbers, Drilled & Slotted Brake Rotors, Conventional Brake Rotors, Ceramic Brake Pads, Rack & Pinion Assemblies, Gearboxes, Drive Shafts, Transmission, Brake Calipers, Wheel Lug Nuts and more. With over 30 years of experience, we are proud that millions of customers around the world rely on Detroit Axle parts. We have two Metro Detroit storefront locations on the north and west sides of the city. Our flagship location, in the heart of Detroit’s 8 Mile Road, is a combined retail storefront and over 180,000 square feet of the warehouse that serves as our global distribution center.