Yukon axle bearing & seal kits are specially designed for each application & use all high quality bearings & seals. Replacement Axle bearing and seal kit for '57 to '77 Dana 44 and Chevy/GM 1/2 ton front axle. This kit includes Timken inner and outer bearings and races along with high quality seals. Unit is sold per side and is covered for one year against manufacturing defects. This axle bearing & seal kit services one side only.