NGK 51100 Spark Plug Wire Set

NGK Spark Plug Wire Set for OE-Style Ignition Service

The NGK Spark Plug Wire Set, part number 51100, is a specific-fit ignition wire set built for select domestic vans and chassis applications from 1994-1996. It uses silicone insulation, a blue outer jacket, and noise suppression construction to support stable spark delivery and cleaner ignition performance.

Key Features

• Specific-fit spark plug wire set for confirmed vehicle applications
• Silicone insulation for heat resistance and durability
• Blue insulation color for easy visual identification
• Noise suppression type construction to help reduce ignition interference
• SMag core material for consistent electrical performance
• Insulation outside diameter: 7.00
• NGK part number 51100 / stock number 51100

Product Details

NGK Spark Plug Wire Set 51100 is part of NGK’s ignition product line, which includes spark plugs, glow plugs, ignition coils, coil-on-plug boots, and wire sets. NGK applies its OE-focused manufacturing experience to replacement ignition components built for domestic and import vehicles. This wire set is listed for select Chevrolet and GMC applications, including 1994-1996 Chevrolet G10, G20, G30, and P30, plus 1994-1996 GMC G1500, G2500, G3500, and P3500 models, with certain 1995 Federal Emission System applications noted in the fitment data.

This part cross-references DENSO Auto Parts (e.g., 671-8039) and Valeo (e.g., 700733) for the same application.

What This Wire Set Helps Address

• Misfires caused by worn or damaged ignition wires
• Hard starting related to weak spark transfer
• Rough idle from inconsistent ignition output
• Radio-frequency interference from aging suppression components
• Heat-related wire deterioration in the engine bay

Installation Notes and Tips

Verify engine configuration and emission system details before ordering, especially on 1995 Federal Emission System applications. Route each lead to match the original layout and keep wires separated from hot exhaust components and sharp edges. Confirm the boots seat fully on the spark plugs and ignition coil connections before starting the engine. Fits 1994-1995 Chevrolet G10, N/A; fits 1994-1995 Chevrolet G20, N/A; fits 1994-1995 Chevrolet G30, N/A; fits 1994 Chevrolet P30, N/A; fits 1994-1995 GMC G1500, N/A; fits 1994-1995 GMC G2500, N/A; fits 1994-1995 GMC G3500, N/A; fits 1994 GMC P3500, N/A; fits 1995 Chevrolet G20, N/A with Federal Emission System; fits 1995 Chevrolet G30, N/A with Federal Emission System; fits 1995 Chevrolet P30, N/A with Federal Emission System; fits 1995 GMC G2500, N/A with Federal Emission System; fits 1995 GMC G3500, N/A with Federal Emission System; fits 1995 GMC P3500, N/A with Federal Emission System; fits 1996 Chevrolet G30, N/A; fits 1996 GMC G3500, N/A.

Quality Assurance

NGK is recognized for OE-focused ignition engineering and global manufacturing standards. This spark plug wire set is produced to meet durability and operational performance expectations for replacement ignition service.