How many spark plugs for 2013 Dodge Charger RT?
The 2013 Dodge Charger RT uses eight spark plugs—one for each cylinder in its 5.7-liter Hemi V8. This is the standard configuration for the RT’s eight-cylinder engine, which employs a coil-on-plug ignition system with eight individual ignition coils to match the cylinders.
Engine configuration and spark plug layout
Details about how the engine is wired to each plug are summarized in the list below.
- Engine: 5.7-liter Hemi V8
- Cylinder count: 8
- Spark plugs: 8 total (one per cylinder)
- Ignition system: coil-on-plug, one ignition coil per cylinder
With eight spark plugs and eight ignition coils, service planning should consider both plug replacement and coil inspection at routine maintenance intervals.
Notes for maintenance and replacement
If you’re planning a plug change, refer to the vehicle’s manual or a trusted service guide for torque specifications, plug gap, and recommended replacement intervals. Using the correct plugs and following the OEM guidelines helps maintain performance and fuel efficiency.
Summary
The 2013 Dodge Charger RT uses eight spark plugs—one for each of its eight cylinders in the 5.7-liter Hemi V8. The arrangement is coil-on-plug, with a dedicated ignition coil per cylinder, making eight plugs total.
