NGK 4412 Spark Plug Wire Set

NGK Spark Plug Wire Set for Toyota Applications

NGK Spark Plug Wire Set 4412 is a specific-fit ignition wire set built for select Toyota trucks and SUVs with mixed ignition layouts. It uses blue silicone insulation, a mag core with variable pitch, and noise suppression to support stable spark delivery and reduced electrical interference.

Key Features

• Specific-fit NGK spark plug wire set for select Toyota applications
• Blue silicone insulation for heat resistance and durability
• Mag (variable pitch) core material for ignition performance
• Noise suppression type: yes
• Insulation outside diameter: 5.00
• NGK part number 4412 / RC-TE66

Product Details

NGK 4412 is part of the NGK Spark Plug Wire Set line, a product family focused on OE-level ignition coverage for domestic and import vehicles. NGK draws on long-term OE experience and global automotive manufacturing expertise to produce ignition components that meet demanding durability and operational standards. This wire set is engineered as a specific replacement for Toyota Tacoma, Toyota Tundra, Toyota 4Runner, and Toyota T100 applications listed below, including vehicles that use a combination of plug leads and direct ignition.

This part cross-references Monroe Shocks & Struts (e.g., 5605) for the same application.

Fitment

• Fits 1995-2004 Toyota Tacoma, N/A. Notes: Set includes 3 plug leads - other 3 are direct ignition; NGK Spark Plug Wire Set.
• Fits 2000-2004 Toyota Tundra, N/A. Notes: Set includes 3 plug leads - other 3 are direct ignition; NGK Spark Plug Wire Set.
• Fits 1996-2002 Toyota 4Runner, N/A. Notes: Set includes 3 plug leads - other 3 are direct ignition; NGK Spark Plug Wire Set.
• Fits 1995-1998 Toyota T100, N/A. Notes: Set includes 3 plug leads - other 3 are direct ignition; NGK Spark Plug Wire Set.

Common Uses

• Replacing worn or heat-damaged ignition wires
• Addressing misfire conditions caused by degraded wire insulation
• Reducing ignition noise in vehicles with sensitive electronics
• Restoring consistent spark transfer in Toyota Tacoma, Toyota Tundra, Toyota 4Runner, and Toyota T100 applications
• Correcting hard-start or rough-running symptoms linked to aging plug wires

Installation Notes

Verify engine configuration and wire routing before installation, especially on applications that use both plug leads and direct ignition. Match each lead to the correct cylinder and inspect boots, coil connections, and plug wells for wear or contamination before final assembly. Use the vehicle-specific fitment notes to confirm application coverage for your Toyota model and year.

Quality Assurance

NGK manufactures ignition components to OE standards and supports a broad range of domestic and import vehicle coverage. Part number 4412 is built with silicone insulation and a noise-suppression core design to support reliable ignition performance in the listed Toyota applications.