NGK 4111 Spark Plug

Reliable Ignition with NGK Standard Spark Plug 4111

The NGK Standard Spark Plug 4111 delivers consistent ignition performance for a variety of vehicle applications. Designed with durable materials and precise specifications, this spark plug supports efficient combustion and engine reliability.

• Resistance rating of 1 ohm for optimal electrical performance
• Standard ground electrode tip and configuration for dependable spark delivery
• Nickel ground electrode core and tip for durability
• Copper center electrode core with nickel tip for effective heat dissipation
• Pre-gap size of 0.028 inches for precise spark gap
• Flat seat type with 14mm thread diameter and 0.5 inch reach
• Hex size of 13/16 inch for easy installation
• Manufacturer heat range of 5 suitable for moderate operating temperatures
• Electrical terminal type features a removable nut for secure connection

About the NGK Standard Spark Plug Line

The NGK Standard Spark Plug line is engineered to meet original equipment specifications, providing reliable ignition performance for everyday driving conditions. The 4111 part number is part of this line, offering a balance of durability and efficiency with materials like copper and nickel to maintain consistent spark and heat management.

Technical Details and Application

The NGK 4111 spark plug features a single ground electrode with a nickel core and tip, paired with a copper core center electrode also tipped with nickel. This combination supports effective heat transfer and spark stability. The flat seat design and 14mm thread diameter ensure compatibility with many vehicle engines requiring these specifications. The pre-gap of 0.028 inches is factory set to optimize ignition timing and combustion efficiency. The removable nut electrical terminal allows for secure and flexible wiring connections during installation.

Common Uses and Problem Solving

• Restores proper ignition in engines experiencing misfires
• Improves fuel efficiency by ensuring consistent spark delivery
• Reduces rough idling caused by worn or fouled spark plugs
• Helps maintain engine performance in vehicles requiring a heat range 5 spark plug
• Supports reliable starting and smooth acceleration

Installation Notes and Tips

Before installation, verify the spark plug gap matches your vehicle manufacturer’s specifications; the NGK 4111 comes pre-gapped at 0.028 inches. Use a torque wrench to tighten the spark plug to the recommended torque to avoid damage to the threads or seat. The 13/16 inch hex size allows for standard spark plug socket compatibility. Ensure the removable nut terminal is securely fastened to maintain proper electrical connection.

Quality Assurance and Warranty

NGK spark plugs are manufactured to meet strict quality standards, ensuring consistent performance and durability. The Standard Spark Plug line, including part number 4111, undergoes rigorous testing to comply with OEM requirements. Warranty coverage details should be confirmed with the vehicle manufacturer or parts distributor.