NGK 6401 Spark Plug Wire Set

Reliable Ignition Performance for Lexus LS400 and SC400

The NGK Spark Plug Wire Set 6401 is designed specifically for Lexus LS400 and SC400 models, ensuring precise fitment and optimal ignition performance. Featuring durable silicone insulation and advanced noise suppression, this spark plug wire set supports consistent engine operation and reduces electrical interference.

Key Features of NGK Spark Plug Wire Set 6401

• Insulation Color: Blue for easy identification
• High-quality silicone insulation material for heat resistance and durability
• Noise suppression technology to minimize electromagnetic interference
• Magnesium core with variable pitch for efficient spark delivery
• Specific fitment for Lexus LS400 and SC400 models
• Insulation outside diameter of 5.00 mm for reliable protection
• Part Number Rc-te119 and Stock Number 6401 for accurate replacement

About the NGK Spark Plug Wire Set Product Line

The NGK Spark Plug Wire Set line focuses on delivering ignition wire sets engineered for specific vehicle applications. This ensures compatibility and performance tailored to the ignition system requirements of each model. The 6401 set maintains NGK's standards for material quality and electrical characteristics, providing a dependable connection between the ignition coil and spark plugs.

Detailed Product Description

This NGK Spark Plug Wire Set 6401 features silicone insulation that withstands high temperatures and resists cracking or deterioration over time. The blue insulation color aids in quick identification during maintenance. The magnesium core with variable pitch design optimizes spark energy transfer, improving combustion efficiency. Noise suppression is integrated to reduce radio frequency interference, which can affect vehicle electronics. Designed specifically for Lexus LS400 and SC400, this wire set ensures a precise fit and reliable connection, supporting smooth engine operation.

Common Applications and Issues Addressed

• Replacement for worn or damaged spark plug wires on Lexus LS400 and SC400
• Eliminates misfires caused by degraded ignition wires
• Reduces engine hesitation and rough idling due to poor spark delivery
• Minimizes radio frequency interference affecting vehicle electronics
• Prevents insulation breakdown from heat exposure

Installation Notes and Tips

• Ensure engine is cool before removing old spark plug wires
• Replace wires one at a time to maintain correct firing order
• Verify part number Rc-te119 matches the original equipment for your Lexus LS400 or SC400
• Check for secure connections at both spark plug and ignition coil ends
• Inspect boots and terminals for proper seating to avoid misfires

Quality Assurance and Warranty

NGK maintains strict quality control standards for the Spark Plug Wire Set 6401, ensuring consistent electrical performance and durability. While specific warranty details are not provided, NGK products typically meet or exceed OEM specifications for ignition components, offering reliable service life when installed correctly.