According to the 1999 Ford Ranger Owner Guide :
2.5 liter four cylinder ( Motorcraft FL-400-S )
3.0 liter V6 ( Motorcraft FL-400-S ) regular unleaded and flex fuel versions
4.0 liter V6 ( Motorcraft FL-1A )
What year of Ford Ranger , and what engine size ?
A 1997 Ford Ranger
On a Ford Ranger , 3.0 liter V6 engine : The engine oil filter is on the drivers side of the engine
Ford Ranger
2000'ford ranger pickup
With engine oil filter change ( 5 quarts ) according to the Owner Guide
On a Ford Ranger with the 3.0 liter " Vulcan " V6 engine : The engine oil filter is on the drivers side of the engine
Motorcraft ( FL - 1A ) for your 4.0 L OHV engine
Motorcraft FL-1A
4.5 quarts with filter change.
According to one of Fords websites : For a 1988 Ford Ranger : ( the Motorcraft FL-1-A engine oil filter is used for the 2.0 , 2.3 , and 2.9 engines )
located below the oil filter