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Special Features

  • RESTORE PEAK PERFORMANCE & SAVE FUEL: Unlock horsepower, boost throttle response, cut gas costs. Worn ignition parts lose power and waste fuel. Autoexact high-performance coil & iridium plugs deliver stronger, stabler sparks for full combustion—smoother acceleration, less shaking, better fuel economy
  • ELIMINATE MISFIRE & ROUGH IDLE: Tired of shaking, check engine light (P0300-P0308 codes) or poor starting? Autoexact ignition coil and spark plug set fixes these issues, restoring smooth, quiet engine run. Enjoy reliable starts every time
  • PREMIUM IRIDIUM & OE-QUALITY: Pre-gapped fine-wire iridium spark plugs (up to 40,000 miles life) ensure full combustion for max power and fuel economy. Epoxy-potted, heat-resistant ignition coils deliver strong ignition energy and durability—better than standard OEM parts
  • DIRECT OE REPLACEMENT & EASY DIY: 100% OEM fit, no mods needed, plug-and-play. Made for your vehicle's make, model & VIN. Package Contents: 4pcs Ignition Coils Packs, 4pcs Iridium Spark Plugs. Step-by-step install photos available on the detail page, DIY-friendly with basic tools to reduce labor costs, recommended spark plug installation torque: 15 N·m
  • VEHICLE COMPATIBILITY: 2011-2024 Ram 1500 5.7L, 2019-2022 Ram 1500 Classic 5.7L, 2008-2010 Dodge Ram 1500 5.7L, 2011-2018 Ram 2500 5.7L, 2008-2009 Dodge Durango 5.7L, 2011-2024 Dodge Durango 5.7L, 2008-2023 Jeep Grand Cherokee 5.7L, 2009-2023 Dodge Charger 5.7L, 2022-2023 Jeep Wagoneer 5.7L, 2009-2010 Dodge Ram 2500 5.7L, 2009-2022 Chrysler 300 5.7L, 2009-2019 Dodge Challenger 5.7L, 2011-2018 Ram 3500 5.7L, 2021-2024 Jeep Grand Cherokee L 5.7L, 2008-2010 Jeep Commander 5.7L, 2008-2009 Chrysler Aspen 5.7L, 2009 Dodge Ram 3500 5.7L
  • OE & REPLACE NUMBER: UF504, C1526, 56029129AA, 56029129AB, NGK 92145. Before purchasing, please confirm the year, make, model, engine, and fitment before purchasing
  • RIGOROUS TESTING & GUARANTEED: Each unit passes strict voltage and sealing tests. Backed by 2-year warranty & lifetime expert support. 100% guarantee for your satisfaction & engine health

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