NGK 1682 Spark Plug

Reliable Ignition Performance for Chevrolet 500 and Fiat Spark

The NGK G-Power Spark Plug 1682 is engineered to deliver consistent ignition performance for select Chevrolet and Fiat models. Designed with durable materials and precise specifications, this spark plug supports efficient combustion and engine reliability.

• Resistance: 5000 ohms for optimal electrical noise suppression
• Ground Electrode Tip Design: Trapezoid for stable spark formation
• Center Electrode Tip Material: Platinum for enhanced durability
• Center Electrode Core Material: Copper to improve conductivity
• Ground Electrode Core Material: Nickel for corrosion resistance
• Pre-Gap Size: 0.032 inches for precise spark gap
• Hex Size: 5/8 inch for standard installation tools
• Manufacturer Heat Range: 7 suitable for moderate engine temperatures
• Seat Type: Flat for secure sealing
• Electrical Terminal Type: Non-removable nut for reliable connection

About the NGK G-Power Spark Plug Line

The G-Power Spark Plug line from NGK focuses on combining advanced electrode materials with proven design features to enhance ignition reliability and longevity. This line incorporates platinum-tipped center electrodes to provide stable spark performance and extended service life, making it suitable for a range of secondary ignition applications including the Chevrolet 500 and Fiat Spark.

Technical Details and Application

The NGK G-Power Spark Plug 1682 features a trapezoid ground electrode tip and a single ground electrode configuration, which helps maintain consistent spark delivery. The copper core center electrode improves thermal conductivity, while the platinum tip enhances wear resistance. With a thread diameter of 12.00 mm and a reach of 0.75 inches, this spark plug fits specific engine designs requiring a flat seat type. The non-removable nut terminal ensures a secure electrical connection, and the 5/8 inch hex size allows for straightforward installation using common tools.

Common Issues Addressed by NGK G-Power Spark Plug 1682

• Misfiring or inconsistent engine ignition
• Reduced fuel efficiency due to incomplete combustion
• Difficulty starting the engine in cold conditions
• Engine hesitation or rough idling
• Premature electrode wear affecting spark quality

Installation Notes and Tips

Ensure the spark plug gap is set to the specified pre-gap size of 0.032 inches before installation. Use a torque wrench to tighten the spark plug to the manufacturer’s recommended specifications to avoid damage to the flat seat. The 5/8 inch hex size is compatible with standard spark plug sockets. Verify compatibility with Chevrolet 500 and Fiat Spark models prior to installation.

Quality Assurance and Warranty

NGK spark plugs are manufactured to meet strict quality standards, ensuring reliable performance and durability. The G-Power Spark Plug 1682 is designed with high-quality materials such as platinum and copper to extend service life. Warranty coverage details should be confirmed with the original equipment manufacturer or authorized distributor.