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Purolator PureOne oil filter O-Ring issue

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Old 10-09-2014 | 10:51 PM
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Default Purolator PureOne oil filter O-Ring issue

Has anyone using Purolator PureOne oil filter experienced an issue with an O-Ring? I noticed this at my last oil change with OCI 5,815 miles.

It appears the o-ring is made of Nitrile rubber with a coat of Silicone rubber. Because Nitrile rubber, which costs 1/3 of the silicone rubber tends to harden at higher temperatures the two materials o-ring is constructed of begin to separate with time leaving residue of flaked off Silicone rubber requiring cleaning.

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