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 to keep you moving with confidence. INTERCHANGE: Replaces AC/Delco 20873259, FW425, Replaces Autopart International 1411-480973, Replaces BCA WE61847, Replaces Centric Parts 40766017, Replaces FAG US 102238, Replaces GMB 730-3220, Replaces GSP 106147, Replaces Mevotech H515147, Replaces Moog Hub Assemblies 515147, 515210, 515209, Replaces Motorcraft 515209, Replaces NAPA PBR930830, Replaces SKF BR930830, Replaces Timken SP620300. FITMENT: Compatible with Chevrolet Silverado/GMC Sierra 6.6L Duramax 2500HD, 3500HD 2011-2019