Yes, on a Harley, I rebuilt the engine & owner wanted to do his own 2nd oil & filter change @ 500 miles, he bought a Fram cause it was cheap (Low cost). but the cardboard end caps inside turned to confetti thus blocking many oil passages. And the engine seized from lack of lubrication.
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There is something missing here? Did you contact the Fram company on this? If all that Fram sold was defective filters I would think the law suites would put them out of business. Engines are not cheep to replace, especially on some cars or trucks.
My Cub Cadet parts manual calls for a KH12-050-08 in which crosses over to the KH12-050-01S or KH12-050-01.