NGK 3716 Spark Plug

Reliable Ignition with NGK G-Power Spark Plug 3716

The NGK G-Power Spark Plug 3716 is engineered to deliver consistent ignition performance for select Ford and Mercury vehicles. Designed with durable materials and precise specifications, this spark plug supports efficient combustion and engine reliability.

• Resistance: 5000 ohms for optimal electrical performance
• Trapezoid ground electrode tip design for stable spark
• Nickel ground electrode core material ensuring durability
• Copper center electrode core with platinum tip for enhanced conductivity
• Pre-gap size of 0.040 inches for precise spark gap
• Standard ground configuration with a single ground electrode
• Non-removable nut electrical terminal type for secure connection
• Tapered seat type and 14mm thread diameter for proper fit
• Hex size of 5/8 inch and insulator height of 53mm
• Manufacturer heat range rating of 5 for balanced heat dissipation

About the NGK G-Power Spark Plug Line

The G-Power Spark Plug line from NGK focuses on combining advanced materials like platinum and copper to improve ignition reliability and electrode longevity. This product line is designed to meet the ignition demands of various vehicles, including those requiring precise heat range and electrode configurations, such as the NGK 3716 spark plug.

Technical Details and Compatibility

The NGK 3716 spark plug features a trapezoid ground electrode tip and a single nickel ground electrode, which helps maintain a stable spark and reduces electrode wear. The copper core center electrode with a platinum tip enhances electrical conductivity and extends service life. With a pre-gap size of 0.040 inches and a tapered seat, this spark plug ensures proper combustion chamber sealing and ignition efficiency. It is compatible with multiple Ford and Mercury models, including Aerostar, Capri, Cougar, Escort, Fairmont, LN7, LTD, Lynx, Marquis, Mustang, Ranger, Thunderbird, and Zephyr.

Common Applications and Problem Solving

• Restores consistent ignition in Ford Mustang and Mercury Cougar engines
• Reduces misfires and rough idling in Ford Ranger and Mercury Marquis
• Improves fuel efficiency and throttle response in Ford Escort and Mercury Lynx
• Addresses spark plug fouling and electrode wear in Thunderbird and Aerostar
• Supports reliable cold starts and smooth acceleration in Capri and Fairmont

Installation Notes and Tips

When installing the NGK G-Power Spark Plug 3716, ensure the spark plug gap is set to the specified 0.040 inches if adjustment is necessary. Use a torque wrench to tighten the plug to the manufacturer’s recommended torque to avoid damage to the tapered seat. The non-removable nut terminal requires compatible ignition wires or connectors. Inspect the spark plug threads and clean the cylinder head threads before installation to ensure proper fit and sealing.

Quality Assurance and Warranty

NGK spark plugs are manufactured to strict quality standards to ensure durability and performance. The G-Power Spark Plug 3716 undergoes rigorous testing for heat range, electrical resistance, and electrode integrity. While specific warranty details may vary, NGK products typically come with a limited warranty against manufacturing defects, providing confidence in the product’s reliability.