NGK 8146 Spark Plug Wire Set

NGK Spark Plug Wire Set for Toyota Applications

NGK Spark Plug Wire Set 8146 is a specific-fit ignition wire set built for select Toyota vehicles, including Celica, Pickup, and Corona applications. It uses blue silicone insulation, a magnetic variable-pitch core, and noise suppression construction to support stable spark delivery and reduced electrical interference.

Key Features

• Specific-fit NGK ignition wire set for confirmed Toyota applications
• Blue silicone insulation for heat resistance and durability
• Mag (Var. Pitch) core material for consistent ignition performance
• Noise suppression design helps reduce radio-frequency interference
• 7.00 mm insulation outside diameter
• Cross-reference: Bosch 7413

Product Details

NGK Spark Plug Wire Set 8146 is part of the NGK Spark Plug Wire Set line, a product family focused on OE-style ignition replacement parts for domestic and import vehicles. NGK draws on long-term OE experience and global manufacturing standards to produce ignition components that meet demanding durability and operational performance expectations. This wire set is engineered for direct replacement use on select Toyota Celica, Toyota Pickup, and Toyota Corona models, making it a practical choice when restoring ignition system function on older Toyota platforms.

Fits 1983-1985 Toyota Celica, N/A. Fits 1975-1980 Toyota Celica, N/A. Fits 1983 Toyota Pickup, N/A. Fits 1975-1980 Toyota Pickup, N/A. Fits 1975-1980 Toyota Corona, N/A. Part number 8146 is also identified as RC-TX89.

Common Issues This Part Can Address

• Misfires caused by worn or deteriorated plug wires
• Hard starting related to weak spark transfer
• Ignition noise that can interfere with radio or electronic systems
• Cracked or heat-aged wire insulation
• Uneven engine performance from inconsistent spark delivery

Installation Notes and Tips

Verify the vehicle year, make, and model before ordering, since this is a specific-fit wire set. Match each wire to the original routing and cylinder locations during installation to maintain proper ignition timing and firing order. Inspect distributor cap, spark plugs, and coil connections at the same time to avoid repeat ignition faults. Confirm connector fit and wire routing clearance before starting the engine.

Quality Assurance

NGK is known for OE-focused ignition components and broad vehicle coverage across domestic and import applications. Part number 8146 is manufactured to support durability and operational performance consistent with OE replacement expectations.