Chevrolet Silverado Differential Axle Seal Leak

Just Saw A Small Leak On My Front Axle Shaft Close To The Cv. I'd Like To Do This Myself, So If You Can Tell Me What Seal I'll Be Replacing...

Hi, I Am Getting Ready To Replace The Rear Axle Seals On My K1500. The Right Side Is Leaking. So I Figured If I Am Going To Do It I Might As...