NGK 97408 Spark Plug

NGK Laser Platinum Spark Plug 97408

NGK Laser Platinum Spark Plug 97408 is an OE-style ignition component built for direct replacement service on select Chrysler, Dodge, and Jeep applications. It combines a platinum center electrode tip with a copper core design to support consistent spark delivery and stable engine operation.

Key Features

• Laser Platinum spark plug with platinum center electrode tip material
• Copper core center and ground electrode construction
• Standard ground electrode tip design with a single ground electrode
• Pre-gapped at 0.044 in. for listed applications
• 14 mm thread diameter, 5/8 in. hex size, tapered seat
• 10,000 ohm resistance for ignition system compatibility
• Heat range 6 for the specified OE service applications

Product Details

NGK 97408 is part of the Laser Platinum Spark Plug line, a product family focused on OE replacement fitment and long-service ignition performance. NGK’s manufacturing background as a major OE spark plug supplier is reflected in the plug’s construction, including a platinum firing tip, copper core electrodes, and a tapered-seat design that matches the listed factory applications. This part cross-references Autolite XP6043 and Mopar SP149212AC for the same application.

Compatible With select Dodge Durango, Jeep Wrangler, Chrysler 300, Dodge Challenger, Dodge Charger, Jeep Grand Wagoneer, and Jeep Grand Cherokee applications. Fits 2024 Dodge Durango, N/A; Fits 2024 Jeep Wrangler, N/A; Fits 2023 Chrysler 300, N/A; Fits 2023 Dodge Challenger, N/A; Fits 2023 Dodge Charger, N/A; Fits 2021-2023 Dodge Durango, N/A; Fits 2022-2023 Jeep Grand Wagoneer, N/A; Fits 2021-2023 Jeep Wrangler, N/A; Fits 2021-2022 Dodge Challenger, N/A; Fits 2021-2022 Dodge Charger, N/A; Fits 2021 Jeep Grand Cherokee, N/A; Fits 2016-2020 Dodge Challenger, N/A; Fits 2016-2020 Dodge Charger, N/A; Fits 2018-2020 Dodge Durango, N/A; Fits 2016-2020 Jeep Grand Cherokee, N/A; Fits 2012-2015 Dodge Challenger, N/A; Fits 2012-2015 Dodge Charger, N/A; Fits 2012-2015 Jeep Grand Cherokee, N/A; Fits 2012-2014 Chrysler 300, N/A; Fits 2011 Dodge Challenger, N/A.

Common Uses

• Replacing worn spark plugs that can cause rough idle
• Addressing misfire-related drivability concerns
• Restoring consistent ignition performance during scheduled service
• Correcting hard-start or extended-crank complaints tied to plug wear
• Maintaining factory-recommended service intervals on listed vehicles

Installation Notes

Verify the engine application, thread diameter, reach, seat type, and pre-gap before installation. The listed fitments include standard, twin spark system, and dual plug configurations depending on year and model, so confirm the exact OE service requirement for your vehicle before replacing plugs. Use the specified 0.044 in. gap where noted in the fitment data and follow the vehicle manufacturer’s service procedure.

Quality Assurance

NGK builds spark plugs for domestic and import vehicles, motorcycles, marine engines, and small engines, with North American OE manufacturing and distribution support. The 97408 part number is engineered to meet the listed OE service requirements for the covered Chrysler, Dodge, and Jeep applications.