Used Volkswagen Passat DPF

The B6 ran from 2005 to 2010 and the B7 from 2010 to 2014, and although the two generations share some visual similarities, the engine codes and exhaust configurations changed across that boundary, so a straight swap is not guaranteed. Whether a specific DPF crosses from B7 to B6 (or vice versa) is strong confirm-with-breaker territory — give your breaker your registration and ask them to match on engine code as well as generation.

Trim level does not affect DPF fitment on the Passat — the S, SE, SEL, and R-Line all share the same DPF for a given engine code and emissions standard. You may find minor cosmetic differences in the surrounding exhaust trim or underbody covers depending on spec, but the DPF itself is determined by the engine and the emissions era, not the badge on the boot.

Yes, engine code is one of the most important matching points for a used DPF — two Passats from the same year can carry different engines with different exhaust systems, so a DPF from the wrong engine code may not fit or seal correctly. Always give the breaker your full registration so they can confirm the engine code on their unit matches yours before you commit.

The B7 ran until 2014 and the B8 launched that same year, bringing updated engines and revised exhaust architecture, so these two generations sit either side of a significant engineering boundary. Whether any specific DPF crosses that gap safely is something you need to confirm with the breaker directly, quoting both registrations and the engine codes involved — do not assume fitment based on a similar appearance.

It matters a great deal — Euro 5 and Euro 6 DPFs are engineered to different filtration and regeneration standards, and fitting a unit from the wrong emissions era could result in an MOT failure or engine management faults. The B7 generation (2010–2014) straddles the Euro 5 period, while later B8 models (2014 onwards) increasingly moved to Euro 6, so confirm your car's exact emissions standard with the breaker using your registration before agreeing a price.

Age alone is not enough — two Passats registered in the same year can have different engine codes, different emissions classifications, and therefore different DPF specifications that will not interchange cleanly. Always match on engine code first, then confirm the emissions era with the breaker against your specific registration, and never rely on year of manufacture as the sole guide to fitment.