Mopar SP303913AA Spark Plug

Overview

This Mopar spark plug, part number SP303913AA, is a direct replacement for select V8 applications across Chrysler, Dodge, and Jeep models. It is specified for secondary ignition service and matches the listed factory applications for straightforward maintenance planning.

Key Features

• Genuine Mopar spark plug for secondary ignition service
• Part number SP303913AA for accurate ordering and service matching
• Fits listed V8 engine applications only
• Interchange reference to part number 68303913AA for the same application
• Compatible with multiple Chrysler, Dodge, and Jeep platforms

Detailed Description

SP303913AA is a Mopar spark plug built for the factory-listed V8 engine applications shown in the fitment data. It is used in ignition service where maintaining proper combustion, stable idle quality, and consistent spark delivery are important. This part number also cross-references Mopar 68303913AA for the same application. For buyers searching for a Chrysler 300 spark plug, Dodge Charger spark plug, or Jeep Grand Cherokee spark plug, SP303913AA provides a direct match to the specified vehicles and engine coverage.

What It Is Used For

• Replacing worn spark plugs during scheduled ignition service
• Addressing rough idle caused by aged ignition components
• Restoring consistent spark delivery in V8 engine applications
• Correcting misfire-related drivability concerns tied to plug wear
• Supporting normal engine maintenance on listed Chrysler, Dodge, and Jeep models

Installation Notes and Tips

Verify engine coverage before ordering, since this spark plug is listed only for V8 applications. Confirm the part number SP303913AA against the vehicle service information and inspect the ignition system during replacement. Fitment includes Chrysler 300, Dodge Charger, Dodge Ram 2500, and Jeep Grand Cherokee applications among others listed in the fitment table.

Quality Assurance

As a Mopar service part, SP303913AA follows OEM application matching for the vehicles shown in the fitment data.