From 2007 Mustang 4L Cologne V6 with 150k miles. Filter ran for 12 months and about 5k miles. 90% city driving. With 5w30 Chevron Supreme. Prior to draining oil and changing filter we ran engine with Liquii Moly flush. Oil cane out darker than usual. This filter is a great value with silicon ADV, metal Filter housing, upper bypass. Made in USA And dirt cheap from RA.. Replaced with 51372XP and Chev Supreme 5w30. Engine has always ran beautifully with zero leaks and smoke.