Fuel Filter for a 2005 Subaru Outback
In 2005 Subaru moved the fuel filters to the fuel tank for both 4-cyl and 6-cyl cars. What is confusing is the statement in the owner's manual about replacement intervals; the statement actually only applies to 4-cyl cars. Even though the filter is mounted in the tank, this is still a replaceable element on 4-cyl, but not on 6-cyl. The 6-cyl filter element is part of the entire fuel pump assembly (a $300 assembly) and is not sold separately. Therefore the 6-cyl filter is intended to be a "lifetime" part, which really means it gets replaced when the fuel pump fails and the entire pump assembly is replaced.
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