are there different types of diffs on a 020 mk2 gearbox

Started by 2l 16v mk2, August 12, 2010, 07:52:03 PM

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2l 16v mk2

i have just purchased a gearbox both have a code 020301107H on them ant at the botom of the diffs the one has a AON... and the other has a 9A..... code pls help