The 2001 Ford Explorer XLT's recommended motor oil will depend on the engine it has. There were several engine options for that year. To be certain,
check your owner's manual. It will specify the correct viscosity (like 5W-30 or 10W-30) and type (conventional, synthetic blend, or full synthetic).
However, commonly recommended oils for that era Explorer typically fall within the range of 5W-30 or 10W-30. The owner's manual will tell you if there is a preference between conventional, synthetic blend, or full synthetic. Using the wrong viscosity can damage your engine.
