These cars also use the 1K0 127 434B late filter. At some point they re-started the counting on the last six digits of the VIN, so you can have a late 2006 car with a very low VIN (last six starting with 00 or higher). VW completed an additional production run in late 2006, probably to provide cars for sale during the 2007 model year, where no TDIs were sold in the US. 1K0 127 434B: Used on late 20.5 A5 cars, engine code BRM, with the last six digits of the VIN starting in numbers higher than 83.1K0 127 434A: Visually the same as the filter above, same applications.1K0 127 434: Used by early A5 cars, engine code BRM, with the last six digits of the VIN starting in numbers up to 83.Two of them are, for all intents and purposes, identical, and one is different. Which filter does my A5 use?Ī5 chassis cars (2005.5-present Jettas) used three fuel filters. Hard starting, loss of power, poor fuel economy-these are all symptoms of a clogging fuel filter. And the fuel filters on A5s, in particular, seem to require following a strict change schedule. In this how-to we’ll help you identify what fuel filter your A5 uses, and guide you through the filter change.
