NGK
NGK Spark Plug Wire Set

NGK 52156 Spark Plug Wire Set

Brand NGK 52156
Insulation Color Blue
Insulation Material Silicone
Noise Suppression Type Yes
Core Material Smag
Universal Or Specific Fit Specific
Insulation Outside Diameter 8.00
Part Number Rc-fdz025
Stock Number 52156
Product line NGK Spark Plug Wire Set
Fits Ford and Mercury · 6 vehicles

Specific-fit design. Built for accurate ignition wire replacement with a direct application match.

Silicone insulation. Flexible construction helps resist heat and maintain routing integrity.

Noise suppression. Helps reduce electrical interference in the ignition system.

Cross-references AMS Automotive 6879, Anchor 9779 and Focus Auto Parts 86267 for the same application. See all 12.

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NGK Spark Plug Wire Set 52156

Restore reliable ignition performance with this NGK spark plug wire set, part number 52156. It is a specific-fit ignition wire set built with silicone insulation and noise suppression to support stable spark delivery and reduced electrical interference.

Key Features

  • Specific-fit spark plug wire set for direct application matching.
  • Silicone insulation for heat resistance and flexible routing.
  • Noise suppression design helps reduce ignition interference.
  • Blue insulation for easy visual identification during service.
  • SMag core material supports consistent ignition performance.

Detailed Description

NGK 52156 is a spark plug wire set engineered for ignition service on select Ford Thunderbird and Mercury Cougar applications. The wire set uses silicone insulation and an 8.00 mm outside diameter, with a noise suppression design that helps maintain clean signal delivery in the ignition system. The SMag core material adds to the wire set’s electrical performance, while the specific-fit design supports accurate replacement for the intended vehicles. NGK 52156 is a practical choice when replacing aging ignition wires on 1991-1993 Ford Thunderbird and 1991-1993 Mercury Cougar models.

What It Is Used For

  • Replacing cracked or heat-aged ignition wires.
  • Addressing misfire symptoms caused by worn wire insulation.
  • Reducing ignition noise that can affect engine operation.
  • Restoring spark transfer in aging ignition systems.

Installation Notes and Tips

Verify cylinder routing before removal and transfer one wire at a time to preserve firing order. Inspect boots, terminals, and adjacent ignition components during installation. Confirm fitment against the vehicle application before service. Fits 1991-1993 Ford Thunderbird and 1991-1993 Mercury Cougar, N/A.

Quality Assurance

NGK is known for ignition components built to OE standards and backed by extensive automotive experience. Part number 52156 reflects NGK’s focus on durability, operational performance, and replacement coverage for domestic and import vehicles.

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
1993FordThunderbird5.0LV8NGK Spark Plug Wire Set
1993MercuryCougar5.0LV8NGK Spark Plug Wire Set
1992FordThunderbird5.0LV8NGK Spark Plug Wire Set
1992MercuryCougar5.0LV8NGK Spark Plug Wire Set
1991FordThunderbird5.0LV8NGK Spark Plug Wire Set
1991MercuryCougar5.0LV8NGK Spark Plug Wire Set
Directly replaces or cross-references 12 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AMS Automotive — 6879Anchor — 9779Focus Auto Parts — 86267NGK — 5215635-8171671-80830977996267128010128845700432CH8845