Mopar SP149212AC Spark Plug

Mopar Spark Plug for HEMI Applications

Mopar SP149212AC is an OE-style spark plug for select Chrysler, Dodge, and Jeep performance applications. It is listed for 2011-2024 vehicles, including Dodge Challenger, Dodge Charger, Dodge Durango, Jeep Wrangler, Jeep Grand Cherokee, and Chrysler 300 models with confirmed fitment notes.

• Brand: Mopar
• Part number: SP149212AC
• Category: Ignition > Secondary Ignition
• Part type: Spark Plug
• Fits select 6.4L V8 SRT HEMI applications
• Compatible with multiple Dodge, Jeep, and Chrysler platforms

Fitment Details

• Fits 2022-2024 Dodge Durango, N/A
• Fits 2022-2023 Dodge Challenger, N/A
• Fits 2022-2023 Dodge Charger, N/A
• Fits 2022-2023 Jeep Wrangler, N/A
• Fits 2018-2021 Dodge Durango, N/A, 6.4L V8 SRT HEMI
• Fits 2012-2021 Jeep Grand Cherokee, N/A, 6.4L V8 SRT HEMI
• Fits 2018-2019 Dodge Challenger, N/A, 6.4L V8 SRT HEMI
• Fits 2015 Dodge Challenger, N/A, 6.4L V8 SRT HEMI
• Fits 2011-2013 Dodge Challenger, N/A, 6.4L V8 SRT HEMI
• Fits 2017-2019 Dodge Charger, N/A, 6.4L V8 SRT HEMI
• Fits 2015 Dodge Charger, N/A, 6.4L V8 SRT HEMI
• Fits 2012-2013 Dodge Charger, N/A, 6.4L V8 SRT HEMI
• Fits 2012-2014 Chrysler 300, N/A, 6.4L V8 SRT HEMI

Common Replacement Reasons

• Engine misfire or rough idle
• Hard starting or extended crank time
• Reduced throttle response
• Loss of fuel efficiency from worn ignition components
• Maintenance replacement for high-output HEMI engines

Installation Notes

Verify engine code and model year before ordering. For Dodge Challenger, Dodge Charger, Dodge Durango, Jeep Wrangler, Jeep Grand Cherokee, and Chrysler 300 applications, confirm the 6.4L V8 SRT HEMI note where listed. Follow factory service procedures for spark plug gap, torque, and coil-on-plug removal.

Quality Assurance

Mopar OEM replacement part SP149212AC is cataloged for direct vehicle fitment on the applications shown above. This part cross-references no additional part numbers in the provided data.