Mopar SP303917AC Spark Plug

Mopar Spark Plug for 2007 Jeep Wrangler

Replace worn ignition components with this Mopar spark plug, part number SP303917AC. It is listed for the 2007 Jeep Wrangler with the 3.8L V6 engine and matches the OE-style application for direct service replacement.

Key Features

• Mopar spark plug for secondary ignition service
• Fits 2007 Jeep Wrangler, 3.8L V6 engine
• Part number SP303917AC for accurate ordering
• Replaces part number SP303917AB
• Built for factory-style fitment in the ignition system

Detailed Description

This Mopar spark plug is specified for the 2007 Jeep Wrangler with the 3.8L V6 engine and is identified by part number SP303917AC. Use it when servicing the ignition system on a Jeep Wrangler that calls for the OE replacement listed here. If you are searching for a 2007 Jeep Wrangler spark plug replacement or a Mopar SP303917AC ignition part, this listing matches that application.

What It Helps Address

• Engine misfire caused by worn spark plug electrodes
• Hard starting related to weak ignition performance
• Rough idle from degraded secondary ignition components
• Reduced throttle response from inconsistent spark delivery
• Maintenance replacement for the 3.8L V6 ignition system

Installation Notes and Tips

Verify engine fitment before installation: this part is listed for the 2007 Jeep Wrangler with the 3.8L V6 engine only. Compare the old plug to SP303917AC and confirm the replacement reference SP303917AB if you are matching an existing OE number. Follow factory service procedures for gap, torque, and ignition system inspection during installation.

Quality Assurance

Mopar OE replacement parts are built for factory application matching and service accuracy. Part number SP303917AC is cataloged for the listed Jeep Wrangler fitment to support correct ordering and installation.