NGK 51340 Spark Plug Wire Set

NGK Spark Plug Wire Set 51340 Overview

The NGK Spark Plug Wire Set 51340 is a specific-fit ignition wire set built for older Chevrolet and GMC applications, including classic truck and performance car platforms. With silicone insulation, blue wire jackets, and noise suppression construction, it supports stable spark delivery and cleaner ignition performance.

NGK Spark Plug Wire Set 51340 is part of the NGK Spark Plug Wire Set line, backed by NGK’s long OE-focused ignition experience and broad coverage for domestic and import vehicles.

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 design helps reduce ignition interference
• SMag core material for consistent spark transfer
• 8.00 mm outside diameter insulation

Detailed Description

Built for direct replacement use, NGK 51340 is engineered for vehicles that require a specific ignition wire configuration rather than a universal set. It is listed for a wide range of Chevrolet and GMC models, including Fits 1978-1988 Chevrolet G30, Fits 1978-1988 Chevrolet P30, Fits 1979-1988 GMC G3500, and Fits 1979-1988 GMC P3500, along with additional classic C/K-series and passenger-car applications. This part cross-references Standard Ignition 6907 for the same application.

As an NGK ignition component, this wire set reflects the brand’s OE-oriented manufacturing approach and focus on durability, performance, and operational consistency. The part number 51340 is also identified by stock number 51340 and internal part number RC-GMZ049.

Common Issues This Part Can Address

• Misfires caused by worn or heat-damaged ignition wires
• Weak spark transfer from aging wire insulation or core degradation
• Radio-frequency interference from deteriorated suppression components
• Hard starting or rough idle related to inconsistent ignition delivery
• Cracked, brittle, or oil-soaked plug wire jackets

Installation Notes and Tips

Verify vehicle year, make, model, and engine-specific application before installation. This NGK Spark Plug Wire Set 51340 is a specific-fit part, so routing and terminal placement should match the original configuration on compatible Chevrolet and GMC vehicles. Inspect spark plugs, distributor cap, and ignition coil condition at the same time to avoid repeat ignition faults.

For fitment-based searches, this part is commonly referenced for classic Chevrolet C10, K10, Camaro, and Corvette applications, as well as GMC C1500 and K1500 models in the listed years.

Quality Assurance

NGK is known for OE-focused ignition engineering and global manufacturing standards. The brand’s ignition product line includes spark plugs, glow plugs, ignition coils, coil-on-plug boots, and wire sets, with an emphasis on replacement parts that meet OE durability and performance expectations.