NGK 6402 Spark Plug Wire Set

NGK Spark Plug Wire Set for Lexus and Toyota

NGK Spark Plug Wire Set 6402 is a specific-fit ignition wire set built for select Lexus and Toyota applications. It uses silicone insulation, a blue outer jacket, and a Mag (Var. Pitch) core with noise suppression to support stable ignition performance and reduced electrical interference.

Key Features

• Specific-fit spark plug wire set for confirmed vehicle applications
• Silicone insulation for heat resistance and durability
• Blue insulation color for easy visual identification
• Mag (Var. Pitch) core material with noise suppression
• 5.00 outside diameter for OE-style routing and fit
• NGK part number 6402 / RC-TE120

Product Details

As part of the NGK Spark Plug Wire Set line, this ignition component reflects NGK’s long-standing focus on OE-level ignition technology and broad vehicle coverage. The 6402 wire set is engineered for direct replacement use on 1992-1997 Lexus SC300, 1993-1997 Toyota Supra, and 1993-1995 Lexus GS300 applications. If you are searching for a spark plug wire set for a Lexus SC300, Toyota Supra ignition wire replacement, or NGK 6402 for Lexus GS300, this part matches those specific fitments.

This part cross-references Monroe Shocks & Struts (e.g., 5603, 5609) for the same application.

What It Helps Address

• Misfires caused by worn or damaged ignition wires
• Hard starting related to inconsistent spark delivery
• Ignition noise that can interfere with electrical systems
• Rough idle from degraded wire insulation or core wear
• Voltage leakage from aging plug wire insulation

Installation Notes

Verify the vehicle year, make, and model before installation. Route each wire to match the original layout and keep the wires separated from hot exhaust components and sharp edges. Confirm secure terminal engagement at the spark plug and ignition connection points, and compare the old set to the new NGK 6402 wire set before removal to preserve correct routing.

Quality Assurance

NGK is known for ignition products developed from extensive OE experience and manufactured to meet durability and operational performance expectations for domestic and import vehicles. The 6402 spark plug wire set is part of NGK’s ignition-focused product range, which includes spark plugs, glow plugs, ignition coils, coil-on-plug boots, and wire sets.