NGK 6402 Spark Plug Wire Set

Reliable Ignition Performance for Lexus and Toyota Vehicles

The NGK Spark Plug Wire Set 6402 is designed specifically for select Lexus and Toyota models, including the GS300, SC300, and Supra. Engineered to deliver consistent ignition performance, this spark plug wire set ensures efficient power transfer and noise suppression for smooth engine operation.

• Insulation Color: Blue for easy identification
• Durable Silicone Insulation Material
• Noise Suppression: Yes, reduces electromagnetic interference
• Core Material: Magnesium with variable pitch for optimal conductivity
• Insulation Outside Diameter: 5.00 mm
• Specific fit for Lexus GS300, SC300, and Toyota Supra
• Part Number: Rc-te120 (Stock Number 6402)

About the NGK Spark Plug Wire Set Line

The NGK Spark Plug Wire Set line focuses on delivering ignition wire sets tailored to specific vehicle applications. This ensures compatibility and performance by using materials like silicone insulation and magnesium core wires designed to meet the electrical demands of modern engines. The 6402 set is part of this line, providing a balance of durability and noise suppression for Lexus and Toyota models.

Product Details and Technical Specifications

This spark plug wire set features a silicone insulation material that offers high resistance to heat, oil, and abrasion, making it suitable for demanding engine environments. The blue insulation color aids in quick identification during installation or maintenance. The magnesium core with variable pitch enhances electrical conductivity while minimizing signal loss. Noise suppression is integrated to reduce electromagnetic interference, which can affect engine sensors and electronic systems. The 5.00 mm insulation outside diameter provides a robust protective layer without compromising flexibility.

Applications and Common Issues Addressed

• Restores proper ignition timing and spark delivery in Lexus GS300, SC300, and Toyota Supra
• Reduces engine misfires caused by worn or damaged ignition wires
• Minimizes radio frequency interference affecting vehicle electronics
• Prevents voltage leaks that can lead to poor fuel economy and performance
• Improves starting reliability and overall engine smoothness

Installation Notes and Tips

Ensure the engine is cool before beginning installation. Match each wire to its corresponding spark plug and ignition coil terminal according to the vehicle’s firing order. The blue silicone insulation allows for easy wire routing and identification. Avoid sharp bends or kinks in the wires to maintain optimal conductivity. Verify secure connections to prevent arcing or signal loss.

Quality Assurance and Warranty

NGK maintains strict quality control standards for the Spark Plug Wire Set 6402, ensuring consistent performance and durability. While specific warranty details may vary, NGK products typically come with manufacturer-backed warranties covering defects in materials and workmanship. Refer to NGK’s official documentation for exact warranty terms.