Looks like they changed to 6 holes and a black gasket instead of the usual 8 holes and blue gasket. Just bought it brand new from Summit Racing so I doubt it’s a knockoff. Still weighs a hefty 19.7 ounces which is exactly what the older design weighed. The Motorcraft version FL820 only weighs 13 ounces so I think Ford Racings supplier just changed the base plate design? Still seems extremely high quality overall.
Ford Racing revised the CM-6731-FL820
- Thread starter VQAndrew
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The supplier is Mann+Hummel/Purolator. Lots of filter issues and replacing part numbers or substitutions the past couple of years.
I definitely like the style of the base-end bypass instead of dome end on the Fram and WIX. (Don’t like WIX for horrible XP filtration). Since Ford recommends it directly as a OEM upgrade to the Fl-500s, I feel safer using it just for warranty purposes
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