NGK 51371 Spark Plug Wire Set

Ignition Wire Set for Classic GM Applications

NGK Spark Plug Wire Set 51371 is a specific-fit ignition wire set built for a wide range of classic Buick, Chevrolet, Oldsmobile, Pontiac, and Cadillac applications. It uses silicone insulation, a blue jacket, and noise suppression construction to support stable spark delivery and reduced electrical interference.

Key Features

• Specific-fit spark plug wire set for confirmed vehicle applications
• Silicone insulation for heat resistance and flexible routing
• Noise suppression design helps reduce ignition interference
• SMag core material for consistent electrical performance
• Blue insulation for easy visual identification during service

Detailed Description

NGK 51371 is engineered as a replacement spark plug wire set for older GM platforms, including Buick Regal, Chevrolet Monte Carlo, and Pontiac Grand Prix applications. Fitment also covers models such as Chevrolet Caprice, Oldsmobile Cutlass Supreme, and Cadillac DeVille across the listed years. The wire set is built with silicone insulation and a suppression-style core to help maintain dependable ignition transfer while limiting radio-frequency noise. Part number 51371 is also referenced as RC-GMZ019.

NGK Spark Plug Wire Set 51371 reflects NGK’s long-standing focus on ignition components and OE-level manufacturing standards. The brand’s product line includes spark plugs, glow plugs, ignition coils, coil-on-plug boots, and wire sets, giving this replacement part a clear place within a dedicated ignition portfolio.

What It Helps Address

• Misfires caused by worn or degraded ignition wires
• Hard starting related to weak spark transfer
• Electrical noise that can interfere with ignition performance
• Cracked or heat-aged wire insulation
• Service replacement needs on classic GM ignition systems

Installation Notes and Tips

Verify engine-specific routing and terminal locations before installation. Match the wire set to the confirmed application list for Buick, Chevrolet, Oldsmobile, Pontiac, and Cadillac vehicles. Inspect related ignition components at the same time to avoid repeat service. Part number 51371 should be matched to the vehicle application before ordering.

Quality Assurance

NGK manufactures premium ignition products to meet OE standards and supports them with more than 80 years of automotive experience. Part number 51371 is produced within NGK’s global ignition product line and backed by the brand’s OE-focused manufacturing approach.