Has anybody found a source for the diff oil seals (avant), mine is leaking like a sieve and Audi say both seals are NLA 
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91CQ20v - Gone to a new home
93UR-S4 - The Magic Carpet
94S2Bus - The Emerald Express -
The small one is a stock size ( I've posted sizes on here somewhere ) the big one is not, and is so far proveing hard to find.
Post with small seal size
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1991 Audi S2 3B - 2.5 Stroker engine
1997 A6 2.5TDi quattro avant - C4
1976 RD250E / 350LC cafe racer -
Diff oil seals
Have you tried Abbey Seals in Dublin? They are located in an industrial estate off the old Long Mile Road. If you could get the part number and/or the dimensions of the seal they might help. They have helped me find the weirdest of seals over the years.Comment
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I will give them a try, cheers for that. Trying to get another diff for the moment so i can remove the seals from the old diff and source replacements. Its so bad i'm going to have to wash the diff before the NCT
91CQ20v - Gone to a new home
93UR-S4 - The Magic Carpet
94S2Bus - The Emerald ExpressComment
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Given how many cars this diff is fitted to I find it hard to believe the seals are NLA. Unfortunately I'm one of those who can no longer access Vagcat.com to look them up.
JohnComment
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Rear diff seals
This is the correct part number but can anyone verify if it looks to be the right seal?
http://www.fcpeuro.com/products/audi...eft-017525400aComment
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016 409 399 B small seal (45x60x8)
017 525 400 A large seal
The small one is used in almost every model. The larger is extensively used also, but not as much as the small. It would not make any sense that these have gone NLA.Comment
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