NGK 3142 Spark Plug

Reliable Ignition with NGK G-Power Spark Plug 3142

The NGK G-Power Spark Plug 3142 is engineered to deliver consistent ignition performance for a range of vehicles including Buick, Cadillac, Chrysler, Dodge, and more. Designed with durable materials and precise specifications, this spark plug supports efficient combustion and engine reliability.

• Resistance: 5000 ohms for optimal electrical performance
• 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: 0.060 inches for precise spark gap
• Thread Diameter: 14.00 mm with a reach of 0.75 inches
• Hex Size: 13/16 inch for standard installation tools
• Electrical Terminal Type: Non-removable nut for secure connection
• Manufacturer Heat Range: 4 suitable for moderate engine temperatures
• Seat Type: Flat for proper sealing

About the NGK G-Power Spark Plug Line

The G-Power Spark Plug line from NGK focuses on combining platinum-tipped electrodes with copper cores to balance durability and conductivity. This design helps maintain consistent ignition over time while reducing electrode wear. The 3142 part number exemplifies this approach, making it suitable for various secondary ignition applications in compatible vehicles.

Technical Details and Compatibility

The NGK 3142 spark plug features a trapezoid ground electrode tip and a single ground electrode configuration, which supports stable spark generation and efficient combustion. Its flat seat type and 14 mm thread diameter ensure proper fitment in engines designed for this specification. The non-removable nut terminal type provides a reliable electrical connection, minimizing the risk of loosening during operation.

Compatible Vehicles and Applications

• Buick models including LeMans and Skylark
• Cadillac DeVille and Eldorado
• Chrysler Concorde and Intrepid
• Dodge Caravan and Grand Caravan
• Oldsmobile Firenza and Cutlass
• Plymouth Voyager and Grand Voyager
• Pontiac Sunbird and Grand Prix

Common Issues Addressed by NGK 3142 Spark Plug

• Misfiring or rough engine idle
• Poor fuel efficiency due to incomplete combustion
• Difficulty starting the engine
• Reduced engine power and acceleration
• Excessive exhaust emissions

Installation Notes and Tips

Before installation, verify the spark plug gap is set to 0.060 inches as specified. Use a torque wrench to tighten the spark plug to the manufacturer’s recommended torque to avoid damage to the threads or improper sealing. The 13/16 inch hex size allows for standard spark plug sockets. Ensure the ignition system is off and the engine is cool before replacing spark plugs.

Quality Assurance and Warranty

NGK spark plugs, including the G-Power Spark Plug 3142, are manufactured to meet strict quality standards for durability and performance. While specific warranty details may vary, NGK products typically come with a limited warranty against manufacturing defects. Always consult the vehicle’s service manual and NGK documentation for proper maintenance and warranty information.