What spark plugs are used in a 4.0 single over head valve motor 1999 ford explorer?
The 1999 Ford Explorer 4.0L SOHC engine typically uses Motorcraft AGSF32PF spark plugs. However, it's always best to double-check your owner's manual or a reliable parts website like AutoZone, Advance Auto Parts, or Napa Auto Parts using your vehicle's VIN to ensure you get the correct spark plugs. Different manufacturers may offer equivalent plugs, but sticking with the Motorcraft recommendation is often a safe bet.