Focus Fanatics - View Single Post - MK3 2012 Focus - Oil Change 101
View Single Post
Old 01-05-2012, 11:35 PM   #24
ducrider
Focus Jr. Enthusiast
 
Join Date: Jan 2012
Fan#: 93542
Location: Cave Creek, AZ
What I Drive: 2012 Sterling Grey Focus SE 5 door

Posts: 30
FF Reputation: 1 ducrider Good Standing Member
Buy-Sell-Trade Rating: (0)
I believe the "S" designation in the Motrocraft filter if for a silicone anti-drainback valve, which I assume is an improvement over the older model.
ducrider is offline  
    Reply With Quote