a3 2.0 fuel filter which one?

darrenvalleys12

Registered User
Hi all my son has a 2007 a3 2.0 tdi 170bhp sline he wants to do the fuel filter but there are 3 types there is a 142mm 136mm 115mm tall does anybody have a clue on what size the fuel filter would be many thanks for all your help.
 
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