NGK 51262 Spark Plug Wire Set

NGK Spark Plug Wire Set for OE-Style Ignition Service

NGK Spark Plug Wire Set 51262 is a specific-fit ignition wire set built for select Chevrolet and Pontiac applications. It uses blue silicone insulation, noise suppression, and an SMag core to support stable spark delivery and cleaner ignition performance.

Key Features

• Specific-fit spark plug wire set for direct application matching
• Blue silicone insulation for heat resistance and durability
• Noise suppression design to help reduce ignition interference
• SMag core material for consistent electrical transfer
• 7.00 mm insulation outside diameter
• NGK part number 51262, also identified as RC-GMX023

Product Details

NGK Spark Plug Wire Set 51262 is part of NGK’s ignition product line, which includes spark plugs, glow plugs, ignition coils, coil-on-plug boots, and wire sets. NGK draws on decades of OE-focused ignition experience and global manufacturing standards to supply replacement ignition components for domestic and import vehicles. This wire set is built for specific-fit applications and is listed for 1985-1988 Chevrolet El Camino, 1986-1988 Chevrolet Caprice, 1986-1988 Chevrolet Monte Carlo, 1986-1987 Pontiac Grand Prix, 1986 Pontiac Bonneville, and 1986 Pontiac Parisienne. This part cross-references TYC 700357 for the same application.

Common Issues This Part Can Address

• Misfires caused by worn or damaged plug wires
• Weak spark transfer from aging ignition leads
• Ignition noise that can interfere with electrical systems
• Cracked or heat-damaged wire insulation
• Rough running related to deteriorated wire resistance

Installation Notes and Tips

Verify the vehicle’s year, make, and model before installation. Route each wire to match the original layout and keep the wires separated from hot exhaust components and moving parts. Confirm secure terminal engagement at the spark plug and distributor or coil connection points, and compare the old set to the new NGK 51262 wire set before removal to preserve firing order.

Quality Assurance

NGK is known for OE-focused ignition engineering and durable replacement parts manufactured to meet demanding operational standards. The 51262 spark plug wire set reflects that approach with materials and construction selected for reliable service in the listed Chevrolet and Pontiac applications.