NGK 51267 Spark Plug Wire Set

Overview

NGK Spark Plug Wire Set 51267 is a specific-fit ignition wire set built for select Chevrolet and GMC applications. It uses silicone insulation, a blue jacket, and noise suppression to support stable ignition performance in demanding engine bays.

Fits 1985-1987 Chevrolet P30, 1985-1987 GMC P3500, and other listed Chevrolet and GMC truck applications. Part number 51267 is also referenced as RC-GMZ029.

Key Features

• Specific-fit spark plug wire set for direct application matching
• Silicone insulation for heat resistance and flexibility
• Noise suppression design to reduce ignition interference
• SMag core material for consistent electrical transfer
• Blue insulation for easy visual identification

Detailed Description

NGK 51267 is part of the NGK Spark Plug Wire Set line, a product family focused on ignition service for domestic and import vehicles. The wire set is engineered with silicone insulation and an SMag core, combining durability with controlled spark delivery. For buyers searching for a spark plug wire set for Chevrolet P30, GMC P3500, or related Chevrolet and GMC truck fitments, this part number 51267 provides a specific-match replacement option.

NGK’s ignition product line draws on long-standing OE experience and broad coverage across ignition components, including spark plugs, coils, boots, and wire sets. That background is reflected in the construction and application focus of this wire set, which is intended for vehicles that require a specific-fit ignition lead solution. Part number 51267 appears in interchange listings with several cross-reference numbers for the same application.

This part cross-references DENSO Auto Parts 671-8034 and Gates 6884 for the same application.

What It Is Used For

• Replacing worn or heat-aged ignition wires
• Addressing misfire caused by damaged wire insulation
• Reducing ignition noise in the electrical system
• Restoring consistent spark delivery to the engine
• Servicing specific Chevrolet and GMC truck ignition systems

Installation Notes and Tips

Verify the vehicle’s engine configuration and exhaust-manifold note in the fitment list before ordering. Match the wire routing and terminal locations to the original layout during installation, and inspect related ignition components for wear at the same time. Confirm the part number 51267 against the application before final installation.

Quality Assurance

NGK positions this wire set within its OE-focused ignition product range, backed by more than 80 years of automotive experience and global manufacturing standards. The brand states that its premium ignition products are built to meet OE-level durability and operational performance requirements.