Mercury Mountaineer Select the Engine of the Vehicle: 2001   6 Cylinders, 4.0L liter   8 Cylinders, 5.0L 5.0L liter 2000   6 Cylinders, 4.0L liter   8 Cylinders, 5.0L 5.0L liter 1999   6 Cylinders, 4.0L liter   8 Cylinders, 5.0L 5.0L liter 1998   6 Cylinders, 4.0L liter   8 Cylinders, 5.0L 5.0L liter 1997   8 Cylinders, 5.0L 5.0L liter < < BACK