For a Ford Explorer :
If you have the 4.0 liter V6 engine ( OHV and SOHC versions )
The recommended oil is 5W-30
( 5W-30 ) is the preferred oil according to the 1997 Ford Explorer Owner Guide
5 W - 30 is the preferred oil for all 1998 Ford Explorer engines
The oil pan is bolted to the bottom of the engine
Explorer XLT Explorer Sport Explorer No Boundaries Edition
SAE 10w30
The preferred oil is 5 W - 30
Ford uses the Motorcraft blended oil (part synthetic).
On the 1997 Ford Explorer XLT : for the 4.0 L SOHC engine - Motorcraft FL-1A oil filter for the 5.0 L V8 engine - Motorcraft FL-820S oil filter according to the owners manual
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 )
5 W - 30 is the preferred oil - that's what I've always used in my 1995 Explorer XLT
4 door sport utility vehicle
" regular " unleaded , 87 octane