NGK 8171 Spark Plug Wire Set

NGK Spark Plug Wire Set for Mazda Applications

The NGK Spark Plug Wire Set 8171 is a specific-fit ignition wire set built for select Mazda vehicles. It uses silicone insulation, a blue outer jacket, and a magnetic variable-pitch core to support stable spark delivery and noise suppression in the ignition system.

Compatible with 1979-1984 Mazda B2000 and 1979-1982 Mazda 626, this NGK ignition wire set is a direct replacement option for owners looking for OE-style fitment and consistent electrical performance. Part number 8171 is also referenced as RC-ZE94A.

Key Features

• Specific-fit spark plug wire set for select Mazda applications
• Silicone insulation for heat resistance and durability
• Blue insulation color for easy visual identification
• Mag (variable pitch) core material for ignition performance
• Noise suppression type included
• 7.00 mm insulation outside diameter
• NGK Spark Plug Wire Set line backed by NGK’s OE-focused ignition expertise

Product Details

NGK 8171 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 decades of OE experience and global automotive manufacturing to produce replacement ignition parts that meet original-equipment standards for durability and operational performance. For Mazda B2000 and Mazda 626 owners, this wire set provides a direct-fit solution for restoring proper spark transfer and ignition system function.

This part cross-references NGK 9126 and Dorman - Conduct-Tite 86411 for the same application.

What It Helps Address

• Misfires caused by worn or damaged ignition wires
• Hard starting related to weak spark delivery
• Ignition noise that can interfere with system operation
• Cracked or heat-aged wire insulation
• Voltage loss across deteriorated plug wires

Installation Notes

Verify engine application before installation and match each wire to the correct cylinder routing. Inspect spark plugs, distributor cap, and ignition coil condition at the same time, since worn related components can affect wire performance. Confirm the part number 8171 and RC-ZE94A reference before ordering for Mazda B2000 or Mazda 626 applications.

Quality Assurance

NGK is known for OE-focused ignition manufacturing and broad vehicle coverage across domestic and import applications. Part number 8171 is built to support dependable replacement performance in the specified Mazda fitments.