Oil Leak from! Advise please

[TUFFTEE]

Hello Guys i have just noticed an oil leak :shock:
From the rear Diff where the propshaft goes in?
And i don't know the name of the seal to order for it?
Or how hard the job would be to repair? :lol:

[colintandy]

rear diff pinion oil seal is the name of seal easy to do drop prop off and remove flange nut remove flange and price out old seal be carefull when taken out not to score the seal seat area replace with new seal tap gently in untill seated correct replace flange and nut and put prop back on im sure there is a wright-up on the fourms in the tech side with photos to show  did mine about 3 months ago took about half hour lol :D check for touque settings not to sure look here http://members.mud-club.com/library/?articleid=12