lambda probe inquiry

[A80Avant]

my mechanic recently told me that audi used to give 2 types of lambda sensor one of which used to be much more stable andlonger lasting than the other one.
Now i have found at etka 2 part numbers:

077 906 265
053 906 265---->marked as 998mm 'ZA'(this one seems to be used in much more models than the first one)

anyone knows the differences?
VAGPARTS have sent me the first code(077906265) as the correct part for the RS2

[A80Avant]

also what is the bosch part number of the O2 sensor with the 077906265 vag number?

[s2_bo]

Hello, Im not sure but you could email these guys:

http://stores.ebay.co.uk/MIDDLESEX-T...CENTRE-LIMITED

They are pretty knowable and stock all the Bosch probes at a very good price.

[kninio]

PapVas : they are the same one the second one ZA , is specified for south africa for cars which didnt have catalyst converter that is the difference.

[A80Avant]

oh i see.so i need the 077 then
thanks!

[kninio]

Sorry , i thought you are talking about ABY , but i see you have an RS2 , but propably its the same reason , but about 998M , then something is difference on it due to the shape or wire lenght.