NGK 4549 Spark Plug

Reliable Ignition with NGK Standard Spark Plug 4549

The NGK Standard Spark Plug 4549 offers dependable ignition performance for a variety of vehicles. Designed with quality materials and precise specifications, this spark plug supports efficient combustion and engine operation.

• Resistance: 5000 ohms for stable electrical performance
• Ground Electrode Tip and Configuration: Standard design with a single ground electrode
• Core Materials: Copper center electrode with nickel tip and nickel ground electrode core
• Electrical Terminal Type: Stud for secure connection
• Pre-Gap Size: 0.028 inches for optimal spark gap
• Hex Size: 5/8 inch for easy installation
• Insulator Height: 50.00 mm ensuring proper insulation
• Manufacturer Heat Range: 7 suitable for moderate engine temperatures
• Seat Type: Flat for consistent sealing
• Thread Diameter: 10.00 mm with 0.5 inch reach

About the NGK Standard Spark Plug Line

The NGK Standard Spark Plug line is engineered to meet original equipment specifications, providing reliable ignition and consistent performance. The 4549 part number belongs to this line, which focuses on delivering durable spark plugs with standard electrode designs and materials such as copper and nickel. This ensures compatibility with a wide range of vehicles requiring dependable secondary ignition components.

Technical Details and Performance

The NGK 4549 spark plug features a copper core center electrode with a nickel tip, enhancing conductivity and durability. The single ground electrode with a standard tip design and nickel core material supports stable spark generation. With a resistance of 5000 ohms, this spark plug helps reduce electrical noise and interference. The pre-gap size of 0.028 inches is factory set to optimize ignition timing and combustion efficiency. Its flat seat type and 10 mm thread diameter with a 0.5 inch reach ensure proper fitment and sealing in compatible engines.

Applications and Problem Solving

• Restores consistent ignition in engines experiencing misfires
• Improves fuel efficiency by ensuring proper spark delivery
• Reduces engine hesitation and rough idling
• Prevents fouling caused by worn or damaged spark plugs
• Maintains engine performance in vehicles requiring a heat range 7 spark plug

Installation Notes and Tips

When installing the NGK Standard Spark Plug 4549, ensure the spark plug gap is checked and adjusted if necessary to 0.028 inches. Use a torque wrench to tighten the spark 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. Confirm compatibility with your vehicle’s make and model before installation.

Quality Assurance and Warranty

NGK spark plugs are manufactured to meet strict quality standards, ensuring reliable performance and durability. The Standard Spark Plug line, including part number 4549, undergoes rigorous testing to comply with OEM specifications. While specific warranty details are not provided here, NGK products typically come with manufacturer-backed quality assurance to support customer confidence.