NGK 7751 Spark Plug

NGK Laser Iridium Spark Plug 7751 Overview

NGK Laser Iridium Spark Plug 7751 is an OE-style ignition component built for precise spark delivery, stable combustion, and long service intervals. It is a direct replacement choice for a wide range of Honda, Acura, Chrysler, Dodge, Jeep, and Ram applications, including Honda Accord, Honda Odyssey, Jeep Grand Cherokee, and Ram 1500 fitments.

Key Features

• Laser iridium center electrode tip for consistent spark performance
• Nickel ground electrode with standard tip and standard configuration
• Copper center electrode core for efficient heat transfer
• 0.044 in pre-gap size for listed OE specifications
• 5,000 ohm resistance for ignition system compatibility
• Flat seat design, 12 mm thread diameter, 5/8 in hex size, and 26.5 reach
• Heat range 7 for applications specified by the vehicle manufacturer

Product Details

NGK Laser Iridium Spark Plug 7751, also identified as part number ILZKR7B11, is engineered to match OE requirements across many late-model and earlier import and domestic vehicles. NGK has a long history as an OE supplier, and this spark plug reflects that focus with a laser iridium firing tip, copper core center electrode, and a standard single-ground-electrode layout. It is used in applications calling for a 0.044-inch gap, including several Honda Accord, Honda Odyssey, Acura TL, Acura RDX, Jeep Wrangler, and Chrysler Pacifica listings. This part cross-references BBB Industries 7751 for the same application.

Common Issues This Spark Plug Can Address

• Rough idle caused by worn spark plug electrodes
• Hard starting from weak or inconsistent ignition output
• Misfire conditions tied to incorrect plug wear or gap drift
• Reduced fuel efficiency from incomplete combustion
• Loss of throttle response in high-mileage ignition service intervals

Installation Notes and Tips

Verify the vehicle’s required gap and service interval before installation. This plug is listed with a 0.044-inch pre-gap, but OE specifications should always be confirmed for the exact engine application. Use the correct torque procedure for the cylinder head material, and inspect ignition coils, boots, and wiring during service. Fitment includes 2025 Chrysler Pacifica, 2021-2025 Dodge Durango, 2021-2025 Ram 1500, 2021-2024 Jeep Grand Cherokee, 2010-2017 Honda Accord, 2008-2010 Honda Odyssey, and other listed applications.

Quality Assurance

NGK is a major OE spark plug supplier with manufacturing and distribution operations in North America and globally. The brand’s OE-focused engineering and long-standing automotive experience support consistent fitment and performance across the listed applications, including Acura MDX, Honda Pilot, and Jeep Grand Cherokee models.