The 2004 Ford Explorer owners manual shows , for the 4.0 L SOHC - V6 engine : ( Motorcraft FL - 820S ) oil filter
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
( 5 quarts ) with engine oil filter change
Your 1991 Ford Explorer 4.0 liter takes 5 quarts ( 4.7 liters ) of motor oil WITH FILTER CHANGE
Motorcraft, FL-820S.Fram, PH2 or PH8A.
( 5W-30 ) is the preferred oil according to the 1997 Ford Explorer Owner Guide
oil
According to the 2001 Ford Explorer Sport Trac Owner Guide : With engine oil filter change : The 4.0 liter SOHC , V6 engine takes : ( 5.0 U.S. quarts / 4.7 liters of 5W-30 )
Yes. You can use synthetic oil in a 1996 Ford.
according to the 1996 Ford Explorer owners manual ( 5 W 30 ) is the preferred oil
According to the 1999 Ford Explorer Owner Guide : With engine oil filter change : ( 4.7 litres / 5.0 U.S. quarts of 5W-30 ) * for the 4.0 litre SOHC V6 and the 5.0 V8 engines
According to the 2000 Ford Explorer Owner Guide : ( 5W-30 )
According to the 1999 Ford explorer Owner Guide: Both the 4.0 liter EFI and SOHC - V6 engines use the ( Motorcraft FL-1A ) The 5.0 liter V8 engine uses the ( Motorcraft FL-820S )