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Anyone know if the slightly longer Motorcraft FL-400s fits our cars? Both the Fiesta and Focus ST spec the FL-910s and i know the FL-400s will fit the Focus. Please let me know if anyone has fit it to the Fiesta. It is basically the exact same filter with a bit more length (and filter material).
thank you
 

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it's kind of a tight squeeze in there even for a stock 910s... Not sure if the longer 400 would fit.. I've seen the motorcraft 910 cut open and it's a really high quality filter, I personally wouldn't worry about "upgrading".
 

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It would be a very tight fit if it fit at all. I can't really see the purpose of the larger filter. Ford engineers know their business and selected the filter they did. As long as you change at good intervals you'll be fine.
 

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400S will fit. Currently running an L20195 which is longer than the new 400S. I run it for the increase in surface area and the fact that I have a bajillion of them that I got on sale for a buck each.
 
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