The 2003 Ford Explorer has a 5-speed automatic.
The 2003 Ford Explorer runs on flex-fuel (FFV).
Check out www.fueleconomy.gov
For the 4.0 liter V6 ( 5W-30 ) and for the 4.6 liter V8 ( 5W-20 ) in a 2003 Ford Explorer , according to the Owner Guide
According to the 1999 Ford Explorer Owner Guide ( 5W-30 ) is used in all the engines
regular unleaded - 87 octane
According to the 2003 Ford Focus Owner Guide ( North America ) ( 5W-20 )
Motorcraft MERCON - ATF ( automatic transmission fluid ) is used in the transfer case of a 2003 Ford Explorer ( capacity 1.4 liters / 1.5 quarts )
Motorcraft MERCON - ATF ( automatic transmission fluid ) is used in the transfer case of a 2003 Ford Explorer ( capacity 1.4 liters / 1.5 quarts )
5W-20 , according to the Owner Guide
A 2003 Ford Explorer came from the factory with the ( Motorcraft BXT-65-650 battery ) * that's BCI group size 65 and 650 cold cranking amps
I have always used Castrol Motor Oil in all my Vehicles. 10W30 or 10W40 ( the Owner Guide shows 5W-30 is the preferred oil , that's what I have used in my 1995 Ford Explorer XLT for 15 years )