Gearbox Oil And Rear Diff Oil Change In A4 B6 1.9tdi

seven7ten

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Hi,

I'm changing the gearbox oil and have gone to audi and boight enough to change the gearbox oil.

But I've been reading loads online about it and a lot of people change their rear diff oil at the same time. I can't find the part no. of the rear diff oil for my car? Audi say it's just the same oil. But I read somewhere that there it is slightly different. Anyone know what part no. It is?

Cheers