Motorcraft part numbers


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.
See also:
Special operating conditions
If you operate your vehicle primarily in any of the following conditions,
you need to perform additional maintenance as indicated. If you
occasionally operate your vehicle under any of these condi ...
Under the Hood
Lincoln’s 5.4-liter V-8 engine develops 300 horsepower and 355 pounds-feet of
torque, and it mates with a four-speed-automatic transmission. The Navigator is
rated as an Ultra Low Emissions Vehicl ...
Refueling
WARNING: Fuel vapor burns violently and a fuel fire can cause
severe injuries. To help avoid injuries to you and others:
• Read and follow all the instructions on the pump island;
• Turn off your ...
