NGK 51383 Spark Plug Wire Set

NGK Spark Plug Wire Set 51383

The NGK Spark Plug Wire Set 51383 is a specific-fit ignition wire set built for classic Buick applications with the correct OE-style application coverage. It uses silicone insulation and noise suppression construction to support stable ignition performance and reduced electrical interference.

Key Features

• Specific-fit spark plug wire set for direct application matching.
• Silicone insulation for heat resistance and flexible routing.
• Noise suppression design helps reduce ignition interference.
• SMag core material supports consistent spark delivery.
• Blue insulation for easy visual identification during service.

Application Details

Fits 1973-1974 Buick Century, N/A with High Energy Ignition (HEI). Fits 1973-1974 Buick Electra, N/A with High Energy Ignition (HEI). Fits 1973-1974 Buick Estate Wagon, N/A with High Energy Ignition (HEI). Fits 1973-1974 Buick LeSabre, N/A with High Energy Ignition (HEI). Fits 1973-1974 Buick Regal, N/A with High Energy Ignition (HEI). Fits 1973-1974 Buick Riviera, N/A with High Energy Ignition (HEI). Fits 1973 Buick Centurion, N/A with High Energy Ignition (HEI). Fits 1975-1976 Buick Electra, N/A. Fits 1975-1976 Buick Estate Wagon, N/A. Fits 1975-1976 Buick LeSabre, N/A. Fits 1975-1976 Buick Riviera, N/A.

NGK Spark Plug Wire Set 51383 is part of NGK’s ignition product line, which includes spark plugs, glow plugs, ignition coils, coil-on-plug boots, and wire sets. The brand’s OE-focused manufacturing approach and long automotive history support replacement parts built to meet original equipment standards for domestic and import vehicles. This part number, 51383, is also referenced as RC-GMZ011.

Common Issues This Part Can Address

• Misfires caused by worn or degraded ignition wires.
• Electrical noise that can interfere with ignition performance.
• Cracked or heat-damaged wire insulation.
• Weak spark transfer from aging wire cores.
• Service replacement needs on HEI-equipped Buick ignition systems.

Installation Notes and Tips

Verify engine and ignition system details before installation, especially on 1973-1974 Buick models with High Energy Ignition (HEI). Route each wire to match the original layout and keep the wires separated to reduce crossfire and interference. Confirm the correct terminal engagement at the distributor and spark plugs before returning the vehicle to service.

Quality Assurance

NGK positions this wire set within its OE-focused ignition lineup and manufactures premium ignition products to meet OE standards for durability and operational performance. Part number 51383 reflects NGK’s specific-fit approach for application-matched replacement.