This front axle seal and greasable U-joint kit is compatible with Super Duty F250 and F350 4x4 models from 2005 to 2015 equipped with Dana Super 60 front axles, including both single and dual rear wheel configurations.The kit replaces OE numbers 2014835, 2017426, 54983, 53217, 2023068, SPL55-3X, and 25-332X.Contents include one front axle seal, two Spicer greasable U-joints, two inner knuckle seals (or vacuum seals), two updated outer tube seals, and two wheel hub bearing O-rings.Components are made from cold-forged, hardened, and finely ground steel to resist rust and corrosion.The U-joints feature grease fittings, large grease reservoirs, and internal distribution grooves to support routine maintenance.This kit is designed for professional installation and provides a direct fit for the specified vehicle applications.