Spark plugs on 2001 F150 4.2 L V6 engine?
The 2001 Ford F-150 4.2L V6 engine typically uses Motorcraft spark plugs with the part number SP-409, which are double platinum spark plugs. However, it's always best to double-check the owner's manual or consult with a reliable auto parts store to ensure you're getting the correct spark plugs for your specific engine.