Required Maintenance Intervals: Notes
WARNING: This page is about a different car, the 2012 RAM Pickup and 2012 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
** Vehicles built with the 4.7L engine are equipped with sixteen spark plugs. One set is located on the top of the engine under the coils and the second set is located on the side of the engine.
The spark plugs located under the coils are a standard plug and must be changed every 30, 000 miles (48 000 km).
The spark plugs located on the side of the engine are a premium plug and must be changed every 105, 000 miles (168 000 km).