Mopar 68303913AA Spark Plug

Mopar Spark Plug for V8 Applications

The Mopar 68303913AA spark plug is a direct-fit ignition component for select Chrysler, Dodge, and Jeep V8 applications. It is built for drivers replacing worn secondary ignition parts on vehicles such as the Chrysler 300, Dodge Charger, and Jeep Grand Cherokee.

Key Features

• Genuine Mopar spark plug, part number 68303913AA
• Secondary ignition component for V8 engine applications
• Direct fit for select Chrysler, Dodge, and Jeep models
• Interchangeable with part number SP303913AA
• Supports consistent spark delivery in compatible ignition systems

Vehicle Fitment

• Fits 2005-2008 Chrysler 300, N/A; all V8 engines.
• Fits 2007-2008 Chrysler Aspen, N/A; all V8 engines.
• Fits 2006-2008 Dodge Charger, N/A; all V8 engines.
• Fits 2004-2008 Dodge Durango, N/A; all V8 engines.
• Fits 2005-2008 Dodge Magnum, N/A; all V8 engines.
• Fits 2003-2008 Dodge Ram 2500, N/A; all V8 engines.
• Fits 2007-2008 Dodge Ram 3500, N/A; all V8 engines.
• Fits 2003-2005 Dodge Ram 3500, N/A; all V8 engines.
• Fits 2006-2008 Jeep Commander, N/A; all V8 engines.
• Fits 2005-2008 Jeep Grand Cherokee, N/A; all V8 engines.
• Fits 2007 Dodge Ram 1500, N/A; all V8 engines.
• Fits 2003-2004 Dodge Ram 1500, N/A; all V8 engines.

What This Spark Plug Helps Address

• Misfires caused by worn ignition components
• Rough idle in V8 engine applications
• Hard starting related to weak spark output
• Reduced throttle response from degraded plugs
• Maintenance replacement for aging secondary ignition parts

Installation Notes

Verify engine type before ordering, since fitment is limited to listed V8 applications. Confirm the existing plug specification and compare against Mopar 68303913AA or SP303913AA before installation. Follow the vehicle service manual for torque and gap procedures.

Quality Assurance

Mopar OE replacement part number 68303913AA is listed for direct application matching on the vehicles shown above. This part cross-references part number SP303913AA for the same application.