NGK
NGK Spark Plug Wire Set

NGK 51173 Spark Plug Wire Set

Brand NGK 51173
Insulation Color Blue
Insulation Material Silicone
Noise Suppression Type Yes
Core Material Ferro mag
Universal Or Specific Fit Specific
Insulation Outside Diameter 5.00
Part Number Rc-gmx045
Stock Number 51173
Product line NGK Spark Plug Wire Set
Fits Geo and Toyota · 5 vehicles

Specific-fit design. Built for direct application matching in ignition service.

Silicone insulation. Helps resist heat while maintaining flexibility during service.

Noise suppression core. Supports cleaner electrical operation and stable spark transfer.

Cross-references AP Exhaust 700464, Dayco 86501 and DENSO Auto Parts 5401 for the same application. See all 14.

$54.10Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $54.10
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Ignition Wire Set Overview

NGK Spark Plug Wire Set 51173 is a specific-fit ignition wire set built for reliable spark delivery and noise suppression. It is compatible with 1990-1992 Geo Prizm and 1990-1991 Toyota Corolla applications.

Key Features

  • Specific-fit spark plug wire set for direct application matching.
  • Silicone insulation helps resist heat and maintain flexibility.
  • Ferro Mag core material supports consistent ignition performance.
  • Noise suppression design helps reduce electrical interference.
  • Blue insulation for easy visual identification during service.

Product Details

NGK 51173 is part of the NGK Spark Plug Wire Set line, a product family focused on ignition service parts for domestic and import vehicles. The wire set uses silicone insulation and a Ferro Mag core, with a noise suppression design that supports stable spark transfer and cleaner electrical operation. For buyers searching for a spark plug wire set for Geo Prizm or Toyota Corolla service, this NGK 51173 application coverage provides a direct replacement path for the listed vehicles.

This part cross-references DENSO Auto Parts (e.g., 5401) for the same application.

Common Issues It May Address

  • Misfires caused by worn or degraded ignition wires.
  • Rough idle from inconsistent spark delivery.
  • Electrical noise affecting ignition system operation.
  • Heat-related insulation breakdown in aging wire sets.

Installation Notes

Verify engine application and wire routing before installation. Match the wire set to the listed fitment for 1990-1992 Geo Prizm and 1990-1991 Toyota Corolla models. Inspect related ignition components during service to confirm the source of the fault.

Quality Assurance

NGK brings more than 80 years of ignition experience and OE-focused manufacturing standards to its replacement parts. Part number 51173 is manufactured to meet durability and operational performance expectations for service use.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
1992GeoPrizm1.6LL4NGK Spark Plug Wire Set
1991GeoPrizm1.6LL4NGK Spark Plug Wire Set
1991ToyotaCorolla1.6LL4NGK Spark Plug Wire Set
1990GeoPrizm1.6LL4NGK Spark Plug Wire Set
1990ToyotaCorolla1.6LL4NGK Spark Plug Wire Set
Directly replaces or cross-references 14 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AP Exhaust — 700464Dayco — 86501DENSO Auto Parts — 5401Dorman - HELP — 96552Four Seasons — 55951NGK — 5117335-4090175-6044671-4159932709327125410154027CH5410