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  1. M

    UPF63R AC Delco

    Thanks for the input!
  2. M

    UPF63R AC Delco

    Yes sir, I know what part number the MicroGard is but the TSB posted here calls for the UPF63R specifically for the thicker casing. Seemingly most all other filters are not recommended so I’m wondering if the the thicker casing of the MicroGard would be an equivalent to the one GMC specifies.
  3. M

    UPF63R AC Delco

    Does anyone know if the MicroGard Select (MSL10412) is an acceptable replacement for the UPF63R? From reading here it seems to have a thicker case with premium features like what the above TSB calls out for the UPF63R.
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