The entire lines don't need to be replaced, just the metal portion is leaking. I have 3 subarus. This one referenced is an 09 forester. I also have an 05 forester and the wife has an 11 outback.
installed P#45520AG010 and it made the leak worst. seems like the salt and antifreeze mix did my hardline in. Not able to see the leaking location but its clearly not from the rubber hose. old one looks good too.
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