NGK 51177 Spark Plug Wire Set

NGK Spark Plug Wire Set for GM V8 Applications

The NGK Spark Plug Wire Set, part number 51177, is a specific-fit ignition wire set built for select Chevrolet and GMC trucks and SUVs from the late 1980s and early 1990s. It uses silicone insulation, blue wire jackets, and noise suppression construction to support stable ignition performance in demanding engine bays.

Key Features

• Specific-fit NGK Spark Plug Wire Set for confirmed GM applications
• Silicone insulation for heat resistance and durability
• Blue insulation color for easy visual identification
• Noise suppression design to help reduce ignition interference
• SMag core material for consistent spark delivery
• 8.00 mm outside diameter
• Part number 51177 / RC-GMZ039

Product Details

NGK Spark Plug Wire Set 51177 is part of NGK Spark Plug Wire Set line, backed by more than 80 years of ignition-system experience and a broad OE-focused product portfolio. NGK manufactures premium ignition components to meet OE-level durability and operational performance standards, with coverage for domestic and import vehicles. This wire set is a direct-fit replacement for select Chevrolet C1500, C3500, K3500, R20, R20 Suburban, R30, V20 Suburban, V30, and GMC C3500, K3500, R2500, R2500 Suburban, R3500, and V3500 applications. This part cross-references Gates 6891 for the same application.

Common Issues This Part Can Address

• Misfires caused by worn or damaged spark plug wires
• Hard starting related to weak ignition transfer
• Rough idle from inconsistent spark delivery
• Radio-frequency interference from aging ignition wires
• Heat-related wire breakdown in older engine compartments

Installation Notes

Verify cylinder routing before removal and replace one wire at a time when possible to preserve firing order. Confirm the correct application by matching the vehicle year, make, and model to the listed fitment before installation. Fits 1990-1993 Chevrolet C1500, N/A. Fits 1988-1989 Chevrolet C3500, N/A. Fits 1988-1989 Chevrolet K3500, N/A. Fits 1989 Chevrolet R2500, N/A. Fits 1989 Chevrolet R2500 Suburban, N/A. Fits 1989 Chevrolet R3500, N/A. Fits 1989 Chevrolet V3500, N/A. Fits 1988-1989 GMC C3500, N/A. Fits 1988-1989 GMC K3500, N/A. Fits 1988-1989 GMC R2500, N/A. Fits 1988-1989 GMC R2500 Suburban, N/A. Fits 1988-1989 GMC R3500, N/A. Fits 1988-1989 GMC V3500, N/A. Fits 1988 Chevrolet R20, N/A. Fits 1988 Chevrolet R20 Suburban, N/A. Fits 1988 Chevrolet R30, N/A. Fits 1988 Chevrolet V20 Suburban, N/A. Fits 1988 Chevrolet V30, N/A.

Quality Assurance

NGK is recognized for OE-focused ignition engineering and global manufacturing standards. Part number 51177 is produced as a specific-fit replacement wire set for the listed Chevrolet and GMC applications.