NGK 2477 Spark Plug

Reliable Ignition Performance for Acura, BMW, Honda, and More

The NGK Iridium IX Spark Plug 2477 is engineered to deliver consistent ignition and improved combustion for a wide range of vehicles including Acura, BMW, Honda, and Nissan models. Designed with durable materials and precise specifications, this spark plug supports efficient engine operation and reliable starts.

• Iridium center electrode tip for enhanced durability and ignition
• Taper cut ground electrode tip design for optimized spark exposure
• Copper core center electrode for excellent conductivity
• Standard ground configuration with nickel ground electrode core
• Non-removable nut electrical terminal type for secure connection
• Pre-gap size of 0.044 inches for precise spark gap
• Flat seat type with 14mm thread diameter and 0.75 inch reach
• Hex size of 5/8 inch for easy installation
• Manufacturer heat range rating of 5 for balanced heat dissipation

About the NGK Iridium IX Spark Plug Line

The Iridium IX Spark Plug line from NGK is designed to provide improved ignition performance and longer service life compared to conventional spark plugs. Featuring an iridium center electrode tip, these plugs offer enhanced wear resistance and stable spark delivery, which is particularly beneficial for vehicles requiring precise ignition timing and efficient combustion. The 2477 part number is part of this line, combining advanced materials with proven design elements to meet the demands of various makes and models.

Technical Details and Compatibility

This spark plug features a copper core center electrode for superior electrical conductivity and a nickel ground electrode core with a taper cut tip to optimize spark exposure. The flat seat design and 14mm thread diameter ensure proper fitment in compatible engines. With a pre-gap size of 0.044 inches and a heat range of 5, the NGK 2477 spark plug balances heat dissipation and performance, making it suitable for vehicles such as the Honda Accord, BMW 750iL, Nissan 240SX, and many others listed in the fitment.

Common Applications and Problem Solving

• Improves ignition reliability in Acura MDX and Honda Civic engines
• Reduces misfires and rough idling in Chrysler and Dodge vehicles
• Enhances fuel efficiency for Hyundai Elantra and Kia Soul models
• Supports smooth engine starts in Jeep Grand Cherokee and Ram 1500
• Addresses spark plug wear and corrosion issues in Mazda and Mitsubishi cars

Installation Notes and Tips

When installing the NGK Iridium IX Spark Plug 2477, ensure the spark plug gap is set to the specified 0.044 inches if adjustment is necessary. Use a torque wrench to tighten the plug to the manufacturer’s recommended specifications to avoid damage to the threads or improper sealing. The 5/8 inch hex size allows for standard spark plug socket compatibility. Always inspect the ignition system components for wear or damage during replacement.

Quality Assurance and Warranty

NGK spark plugs are manufactured to strict quality standards to ensure consistent performance and durability. The Iridium IX Spark Plug 2477 undergoes rigorous testing for heat resistance and electrical conductivity. While specific warranty details may vary, NGK products typically come with a limited warranty covering defects in materials and workmanship.