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Some information lists the proper Motorcraft oil filter for my 2006, 2.3L - 4-cylinder, Ranger is a FL-400S. Other information says it should be a FL-910.
The FL-910 has the same threads & bypass psi range, but is shorter in height to fit in restricted spaces. I still use the specified FL-400S on my 94 Taurus 3.8L.
Good idea to stay with the specified larger filter, as with more filter media surface area, it'll offer lower pressure drop across the media & it'll appreciate that when we go at throttle up, or on those cold high rpm starts!!!!