SOLVED: Where is the fuel filter located 2007 Jetta 2.5 Nov 03, 2009Where is the fuel filter located 2007 Jetta 2.5. Posted by benboy414 on Nov 03, 2009. SOURCE: 2003 vw jetta tdi fuel filter. It is on the passenger side right behind the washer fluid fill tube. You can follow the fuel lines (look like 1/4" black tubes, some are clear) from the injector pump to it. Volkswagen Jetta Fuel Filter - AutoZone Order Volkswagen Jetta Fuel Filter online today. Free Same Day Store Pickup. Check out free battery charging and engine diagnostic testing while you are in store.