4R75E OEM filter replace?
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Fleet Owner
Joined: Aug 2010
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From: Reynoldsburg, Ohio
4R75E OEM filter replace?
OEM Filter replace Interval?
About to perform the Mark K full fluid exchange on my 2005 E-350 (5.4) last done 06/05/2022 leaving the original-type filter in place but changing the added external Magnifine 1-8721 ( that filter and existing Mercon V being in place just over 35K miles.
Should I replace the OEM-type filter this time or is it still good to go?
About to perform the Mark K full fluid exchange on my 2005 E-350 (5.4) last done 06/05/2022 leaving the original-type filter in place but changing the added external Magnifine 1-8721 ( that filter and existing Mercon V being in place just over 35K miles.
Should I replace the OEM-type filter this time or is it still good to go?
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