NGK 8167 Spark Plug Wire Set

NGK Spark Plug Wire Set for Mazda Protege

NGK Spark Plug Wire Set 8167 is a specific-fit ignition wire set for 1995-1998 Mazda Protege models. Built with blue silicone insulation and noise suppression, it is made for stable spark delivery and clean ignition performance in everyday driving.

Key Features

• Specific-fit spark plug wire set for Mazda Protege applications
• Blue silicone insulation for heat resistance and durability
• Mag (variable pitch) core material for ignition signal control
• Noise suppression type included
• 7.00 mm insulation outside diameter
• NGK part number 8167 / RC-ZE37

Product Details

NGK 8167 is part of the NGK Spark Plug Wire Set line, a product family focused on ignition components for domestic and import vehicles. NGK draws on long-term OE experience and manufactures ignition parts to OE-level durability and operational standards. For drivers servicing a Mazda Protege, this wire set supports consistent spark transfer and helps maintain reliable ignition system performance.

This part cross-references DENSO Auto Parts 671-4225 for the same application.

What It Is Used For

• Replacing worn or heat-damaged ignition wires on a 1995-1998 Mazda Protege
• Restoring stable spark delivery when misfire symptoms are present
• Reducing ignition noise in the electrical system
• Addressing cracked insulation, hard starts, or rough idle concerns
• Supporting routine ignition service on Mazda Protege models

Installation Notes and Tips

Verify the wire routing and cylinder locations before removal, and transfer one wire at a time to avoid cross-connection. Inspect spark plugs, coil connections, and boots during installation, since worn ignition components can affect wire performance. Confirm the RC-ZE37 / 8167 reference against the vehicle’s ignition layout before final installation.

Quality Assurance

NGK manufactures ignition products with a focus on OE-level performance, durability, and global vehicle coverage. The 8167 wire set reflects that OE-oriented approach for Mazda Protege ignition service.