fact_checkQuick answer
2018 3.5 EcoBoost Oil Capacity
Most 2018 3.5 EcoBoost applications use 6 qt with a new oil filter. Check the table below to match your exact vehicle before filling.
With filter
6 qt
Recommended oil
Ford WSS-M2C946-B1 / later equivalent where listed
Typical viscosity
5W-30
Oil Capacity by Year and Application
All numbers below are with a new oil filter.
YearsApplicationWith filterLitersRecommended oil
2011-2020F-150 / Expedition / Navigator 3.5L EcoBoost (non-hybrid mainstream applications)6 qt5.7 LFord WSS-M2C946-B1 / later equivalent where listed
Start a little below the listed amount, then use the dipstick to top off. Check the owner manual if your vehicle has a different chassis, duty rating, or special package.
Common Questions
How many quarts does a 2018 3.5 EcoBoost take?
Most 2018 3.5 EcoBoost applications take 6 qt with a new oil filter. Match your exact vehicle row before filling.
Does the 2018 3.5 EcoBoost oil capacity include the filter?
Yes. The capacity shown here is the with-filter amount for a normal oil and filter change.
What oil should I use in a 2018 3.5 EcoBoost?
2018 3.5 EcoBoost applications commonly list 5W-30. Use the recommended oil shown for your matching application and confirm it in the owner manual.
Why might my 2018 3.5 EcoBoost use a different amount?
A different chassis, oil pan, duty rating, or special package can change the published refill amount. Use the row that matches your vehicle.