NGK 6404 Spark Plug Wire Set

Reliable Ignition Performance for Lexus and Toyota Vehicles

The NGK Spark Plug Wire Set part number 6404 is designed specifically for select Lexus and Toyota models, including the GS300, IS300, 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 fitment for Lexus GS300, IS300, SC300, and Toyota Supra
• Part Number: 6404 (Rc-te79)

About the NGK Spark Plug Wire Set Product Line

The NGK Spark Plug Wire Set line focuses on delivering high-quality ignition wire components tailored to specific vehicle applications. This product line emphasizes precise fitment and advanced materials such as silicone insulation and magnesium core wires to maintain reliable spark delivery and reduce electrical noise. The NGK Spark Plug Wire Set 6404 is part of this line, engineered to meet the ignition demands of performance-oriented Lexus and Toyota models.

Technical Details and Benefits

This spark plug wire set features a silicone insulation that withstands high temperatures and resists cracking, ensuring durability under demanding engine conditions. The magnesium core with variable pitch design optimizes electrical conductivity while minimizing resistance. Noise suppression technology integrated into the wires helps prevent radio frequency interference, which can affect vehicle electronics. The blue insulation color aids in quick identification during maintenance or replacement.

Compatible Vehicles and Common Applications

• Replacement for ignition wire sets on Lexus GS300, IS300, SC300
• Suitable for Toyota Supra ignition system upgrades or repairs
• Addresses issues such as misfires, rough idling, and poor acceleration
• Helps reduce ignition noise affecting audio and electronic systems
• Restores proper spark delivery for improved engine performance

Installation Notes and Tips

Ensure the engine is cool before beginning installation to avoid burns. Verify the wire routing matches the original setup to prevent cross-firing. Use the specific fitment information to confirm compatibility with your Lexus or Toyota model. Handle the wires carefully to avoid damaging the silicone insulation or connectors during installation.

Quality Assurance and Warranty

NGK maintains strict quality control standards for the Spark Plug Wire Set 6404, ensuring consistent performance and durability. While specific warranty details are not provided here, NGK products typically come with manufacturer-backed warranties covering defects in materials and workmanship. Refer to NGK documentation for exact warranty terms.