NGK 52171 Spark Plug Wire Set

Ignition Wire Set Overview

The NGK Spark Plug Wire Set 52171 is a specific-fit ignition wire set built for select Ford, Lincoln, and Mercury applications. It uses silicone insulation and a suppression core to help maintain consistent spark delivery while reducing electrical noise.

Fits 1990-1991 Ford Country Squire, N/A. Fits 1990-1991 Ford LTD Crown Victoria, N/A. Fits 1991 Mercury Colony Park, N/A. Fits 1991 Mercury Grand Marquis, N/A. Fits 1990 Lincoln Town Car, N/A.

Key Features

• Specific-fit design for direct application matching.
• Silicone insulation for heat resistance and flexibility.
• Noise suppression construction for cleaner ignition performance.
• SMag core material for stable electrical transfer.
• Blue wire insulation for easy visual identification.

Detailed Product Information

NGK 52171 is part of the NGK Spark Plug Wire Set line, a product family focused on ignition service parts for domestic and import vehicles. This wire set is engineered to meet OE-level durability and operational performance expectations, drawing on NGK’s long history in ignition components. For buyers searching for a spark plug wire set for a 1990 Ford Town Car or a 1991 Mercury Grand Marquis, this specific-fit option provides a direct replacement path without universal-fit guesswork. The part number 52171 is also referenced as RC-FDZ026.

This part cross-references Gates (e.g., 6897, 52171) for the same application.

Common Replacement Uses

• Restores worn or damaged ignition wire routing and spark transfer.
• Addresses misfire concerns caused by deteriorated wire insulation.
• Helps reduce radio-frequency interference in the ignition system.
• Replaces aging wires with a specific-fit ignition service part.

Installation Notes

Verify engine application and emission-system requirements before ordering, since the listed fitment includes California Emission System coverage on several vehicles. Match each wire to the correct cylinder location during installation and inspect related ignition components for wear at the same time.

Quality Assurance

NGK brings more than 80 years of ignition experience and manufactures premium ignition products to OE standards. The 52171 wire set reflects that OE-focused approach to durability and performance.