MANN‑FILTER- For first fit and the automotive aftermarket One example of original MANN‑FILTER products supplied for use as original equipment in newvehicles, is patent pending fuel filter PU 11 002 z which features efficient three-stage water separation thatreinvents diesel filtration. The same OE Quality filter is available in the famous yellow-green packaging in the independent automotive aftermarket – of course in 100 % OE Quality.