Is your engine a little sluggish? This could be due to a weak spark, which could be the result of a bad ignition coil. Restore your engine�s spark with these direct fit factory replacement ignition coils. Replacing your coils in pairs or all at once is recommended to ensure proper function and preservation. This ignition coil from fits 5.7L, 6.1L and 6.4L engines found in 06-16 Jeep Grand Cherokee and 06-10 Jeep Commander. Sold Individually.