Mopar 68303918AA Spark Plug

Mopar Spark Plug for 4.7L V8 Applications

The Mopar 68303918AA spark plug is a direct-fit ignition component for select Chrysler, Dodge, and Jeep vehicles equipped with the 4.7L V8 engine. It is listed for multiple Ram 1500, Dakota, Durango, Aspen, Commander, and Grand Cherokee applications, making it a targeted replacement for common secondary ignition service.

Key Features

• Genuine Mopar spark plug, part number 68303918AA
• Direct-fit replacement for select 4.7L V8 engine applications
• Compatible with Chrysler Aspen, Dodge Dakota, Dodge Durango, Dodge Ram 1500, Jeep Commander, and Jeep Grand Cherokee
• Supersedes part number SPRC12MCC4 for listed applications
• Supports routine ignition system maintenance on Mopar-equipped vehicles

Detailed Description

This Mopar spark plug, part number 68303918AA, is specified for 4.7L V8 engine vehicles across several Chrysler, Dodge, and Jeep nameplates. It is a practical replacement choice for owners servicing ignition wear on a Dodge Dakota, Dodge Durango, or Jeep Grand Cherokee, as well as other listed applications. For buyers searching for a Mopar 68303918AA spark plug or a 4.7L V8 spark plug for Dodge Ram 1500, this part matches the documented fitment shown here.

This part cross-references SPRC12MCC4 for the same application.

What It Helps Address

• Engine misfire caused by worn spark plug electrodes
• Hard starting related to ignition wear
• Rough idle from degraded spark performance
• Reduced throttle response from inconsistent combustion
• Scheduled tune-up replacement on 4.7L V8 vehicles

Installation Notes and Tips

• Verify engine size before ordering; this listing is for 4.7L V8 applications only.
• Confirm vehicle year and model against the fitment list for Chrysler Aspen, Dodge Dakota, Dodge Durango, Dodge Ram 1500, Jeep Commander, and Jeep Grand Cherokee.
• Follow factory service procedures for spark plug removal and torque specification.
• Inspect ignition components during service to help maintain consistent engine performance.

Quality Assurance

Mopar OE parts are built for factory-matched fitment on listed applications. Part number 68303918AA is the current replacement for SPRC12MCC4 on the vehicles shown in this fitment data.