NGK
NGK Spark Plug Wire Set

NGK 51377 Spark Plug Wire Set

Brand NGK 51377
Insulation Color Blue
Insulation Material Silicone
Noise Suppression Type Yes
Core Material Smag
Universal Or Specific Fit Specific
Insulation Outside Diameter 7.00
Part Number Rc-gmx007
Stock Number 51377
Product line NGK Spark Plug Wire Set
Fits Oldsmobile · 23 vehicles

Specific-fit design. Built for targeted ignition wire replacement applications.

Silicone insulation. Blue outer jacket resists heat and supports long-term durability.

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

Cross-references Anchor 9701, Four Seasons 86076 and Gates 51377 for the same application. See all 11.

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Free returns within 60 days if it doesn't fit when fitment is verified.

Product Overview

The NGK Spark Plug Wire Set 51377 is a specific-fit ignition wire set for classic Oldsmobile applications. It uses silicone insulation, a blue outer jacket, and noise suppression construction to support stable ignition performance in vehicles that require this configuration.

Key Features

  • Specific-fit spark plug wire set for targeted applications
  • Silicone insulation for heat resistance and durability
  • Noise suppression design helps reduce electrical interference
  • SMag core material for consistent ignition signal transfer
  • Blue insulation for easy visual identification

Fitment Details

Fits 1973-1974 Oldsmobile 98, N/A. Fits 1973-1974 Oldsmobile Custom Cruiser, N/A. Fits 1973-1974 Oldsmobile Cutlass, N/A. Fits 1973-1974 Oldsmobile Cutlass Supreme, N/A. Fits 1973-1974 Oldsmobile Delta 88, N/A. Fits 1973-1974 Oldsmobile Omega, N/A. Fits 1973 Oldsmobile Toronado, N/A. Fits 1973-1974 Oldsmobile Vista Cruiser, N/A. Fits 1974 Oldsmobile 98, N/A without High Energy Ignition (HEI). Fits 1974 Oldsmobile Custom Cruiser, N/A without High Energy Ignition (HEI). Fits 1974 Oldsmobile Cutlass, N/A without High Energy Ignition (HEI). Fits 1974 Oldsmobile Cutlass Supreme, N/A without High Energy Ignition (HEI). Fits 1974 Oldsmobile Delta 88, N/A without High Energy Ignition (HEI). Fits 1974 Oldsmobile Omega, N/A without High Energy Ignition (HEI). Fits 1974 Oldsmobile Vista Cruiser, N/A without High Energy Ignition (HEI).

Installation Notes

Confirm the ignition system configuration before installation, especially on 1974 Oldsmobile applications that specify use without High Energy Ignition (HEI). Match the wire routing and terminal ends to the original layout for proper ignition performance. Verify the part number 51377 and RC-GMX007 before installation.

Quality Assurance

NGK brings more than 80 years of automotive ignition experience and OE-focused manufacturing standards to this wire set. The part number 51377 is built to meet OE-level durability and operational performance expectations. This part cross-references Gates (e.g., 51377) for the same application.

This part fits 23 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
1974Oldsmobile987.5LV8without High Energy Ignition (HEI); NGK Spark Plug Wire Set
1974OldsmobileCustom Cruiser7.5LV8without High Energy Ignition (HEI); NGK Spark Plug Wire Set
1974OldsmobileCutlass7.5LV8without High Energy Ignition (HEI); NGK Spark Plug Wire Set
1974OldsmobileCutlass5.7LV8without High Energy Ignition (HEI); NGK Spark Plug Wire Set
1974OldsmobileCutlass Supreme7.5LV8without High Energy Ignition (HEI); NGK Spark Plug Wire Set
1974OldsmobileCutlass Supreme5.7LV8without High Energy Ignition (HEI); NGK Spark Plug Wire Set
1974OldsmobileDelta 887.5LV8without High Energy Ignition (HEI); NGK Spark Plug Wire Set
1974OldsmobileDelta 885.7LV8without High Energy Ignition (HEI); NGK Spark Plug Wire Set
1974OldsmobileOmega5.7LV8without High Energy Ignition (HEI); NGK Spark Plug Wire Set
1974OldsmobileVista Cruiser7.5LV8without High Energy Ignition (HEI); NGK Spark Plug Wire Set
1974OldsmobileVista Cruiser5.7LV8without High Energy Ignition (HEI); NGK Spark Plug Wire Set
1973Oldsmobile987.5LV8NGK Spark Plug Wire Set
1973OldsmobileCustom Cruiser7.5LV8NGK Spark Plug Wire Set
1973OldsmobileCutlass7.5LV8NGK Spark Plug Wire Set
1973OldsmobileCutlass5.7LV8NGK Spark Plug Wire Set
1973OldsmobileCutlass Supreme7.5LV8NGK Spark Plug Wire Set
1973OldsmobileCutlass Supreme5.7LV8NGK Spark Plug Wire Set
1973OldsmobileDelta 887.5LV8NGK Spark Plug Wire Set
1973OldsmobileDelta 885.7LV8NGK Spark Plug Wire Set
1973OldsmobileOmega5.7LV8NGK Spark Plug Wire Set
1973OldsmobileToronado7.5LV8NGK Spark Plug Wire Set
1973OldsmobileVista Cruiser7.5LV8NGK Spark Plug Wire Set
1973OldsmobileVista Cruiser5.7LV8NGK Spark Plug Wire Set
Directly replaces or cross-references 11 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Anchor — 9701Four Seasons — 86076Gates — 51377Remy — 12875TYC — 700154671-806909701860749607496076CH827