FORD 2010 Flex v.1 - Manual (Page 378)

6. Replace the air filter housing
cover and secure the clamps. Be
sure that the air cleaner cover tabs
are engaged into the slots of the air
cleaner housing.
Note: Failure to use the correct air filter element may result in severe
engine damage. The customer warranty may be void for any damage to
the engine if the correct air filter element is not used.
MOTORCRAFT PART NUMBERS
Component 3.5L V6 engine 3.5L V6 EcoBoost
engine
Engine air filter
element FA-1884 FA-1884
Battery BXT-65-750 BXT-65-750
Oil filter FL-500-S FL-500-S
Spark Plugs SP-411 1 SP-512 1
1 For spark plug replacement, see your authorized dealer. Refer to
scheduled maintenance information for the appropriate intervals for
changing the spark plugs.
Replace the spark plugs with ones that meet Ford material and
design specifications for your vehicle, such as Motorcraft
௡ or
equivalent replacement parts. The customer warranty may be
void for any damage to the engine if such spark plugs are not
used.
Maintenance and Specifications
378
2010 Flex (471)
Owners Guide, 1st Printing
USA (fus)