Genuine OEM SP143877AB Spark Plug for Jeep/Dodge/Chrysler 5.7L Engines
Premium iridium core ensures long-lasting performance and precise ignition efficiency. Precision-engineered electrode design reduces voltage requirements, enhancing fuel economy and throttle response. Direct-fit replacement for 2015-2024 Grand Cherokee, Durango, Wrangler, Ram, Charger, and Chrysler 300 models. 100% authentic OEM part with exact factory specifications—no compatibility risks or tuning adjustments needed. Corrosion-resistant nickel-plated shell withstands extreme heat and moisture for reliable operation in all climates. Optimized for high-torque applications, ideal for towing, off-roading, or daily commuting. Sold in bulk at unbeatable wholesale pricing—stock up for fleet maintenance or resale opportunities. Friction-free installation with pre-gapped electrodes, saving labor time and ensuring perfect fitment.