Quote:
Originally Posted by kam327
What's an "unapproved oil filter"? Ford says right in the manual that another brand filter of equivalent performance can be used.
The only place it talks about voiding the engine warranty is with regard to additives.
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I mean unapproved by the filter manufacturer. So, if Purolator says an P10241 is the filter for the 2012 Focus but you decide, like the OP, to use a different Purolator because you think it fits/filters "better", it's conceivable you could have a problem. I agree if you use the filter Purolator specifies for the car there shouldn't be an issue.