Mopar SP143877AB Spark Plug

Mopar Spark Plug for HEMI Applications

This Mopar spark plug, part number SP143877AB, is an OE-style ignition component for select Chrysler, Dodge, Jeep, and Ram vehicles. It is listed for a wide range of 5.7L V8 HEMI applications, including Ram 1500, Dodge Charger, and Dodge Durango models.

Key Features

• Genuine Mopar spark plug, part number SP143877AB
• Secondary ignition component for gasoline engine service
• Fits select 5.7L V8 HEMI engine applications
• Direct fit coverage for multiple Chrysler, Dodge, Jeep, and Ram models
• OE replacement for service and maintenance on factory-equipped vehicles

Fitment Coverage

• Fits 2022-2026 Dodge Durango, N/A.
• Fits 2026 Ram 1500, N/A.
• Fits 2023-2024 Ram 1500, N/A.
• Fits 2022-2023 Dodge Challenger, N/A.
• Fits 2022-2023 Dodge Charger, N/A.
• Fits 2020-2023 Ram 1500 Classic, N/A.
• Fits 2022 Ram 1500, N/A, VH7329.
• Fits 2015-2021 Chrysler 300, N/A, 5.7L V8 HEMI Engine; Replaces part # 68143877AB.
• Fits 2021 Dodge Charger, N/A, VH7164.
• Fits 2015-2021 Dodge Durango, N/A, 5.7L V8 HEMI Engine; Replaces part # 68143877AB.
• Fits 2021 Jeep Grand Cherokee, N/A, VH7262.
• Fits 2021 Ram 1500, N/A, VH7135.
• Fits 2016-2020 Jeep Grand Cherokee, N/A, 5.7L V8 HEMI Engine; Replaces part # 68143877AB.
• Fits 2016-2019 Dodge Challenger, N/A, 5.7L V8 HEMI Engine; Replaces part # 68143877AB.
• Fits 2016-2019 Dodge Charger, N/A, 5.7L V8 HEMI Engine; Replaces part # 68143877AB.
• Fits 2015-2019 Ram 1500, N/A, 5.7L V8 HEMI Engine; Replaces part # 68143877AB.
• Fits 2019 Ram 1500 Classic, N/A, 5.7L V8 HEMI Engine; Replaces part # 68143877AB.
• Fits 2015-2018 Ram 2500, N/A, 5.7L V8 HEMI Engine; Replaces part # 68143877AB.
• Fits 2015-2018 Ram 3500, N/A, 5.7L V8 HEMI Engine; Replaces part # 68143877AB.

For shoppers searching for a Mopar spark plug for Ram 1500 5.7L HEMI, Dodge Charger ignition service, or Chrysler 300 tune-up parts, SP143877AB matches the listed factory applications. This part cross-references none listed for the same application.

What It Helps Address

• Misfires caused by worn spark plug electrodes
• Hard starting related to ignition wear
• Rough idle from degraded spark delivery
• Reduced throttle response from aged plugs
• Scheduled maintenance on HEMI-equipped vehicles

Installation Notes

Verify engine code and model-year fitment before ordering, especially on Ram 1500, Dodge Durango, and Dodge Charger applications. Follow factory service procedures for spark plug replacement, including proper torque and gap verification if required by the vehicle service manual.

Quality Assurance

Mopar OE replacement parts are built for factory application matching on listed Chrysler, Dodge, Jeep, and Ram vehicles. Part number SP143877AB supersedes earlier reference 68143877AB on the applications shown.