NGK 51437 Spark Plug Wire Set
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NGK
 NGK Spark Plug Wire Set

NGK 51437 Spark Plug Wire Set

Brand NGK 51437
Insulation Color Blue
Insulation Material Silicone
Noise Suppression Type Yes
Core Material Ferro mag
Universal Or Specific Fit Specific
Insulation Outside Diameter 7.00
Part Number Rc-gmx108
Stock Number 51437
Product line NGK Spark Plug Wire Set
Fits Chevrolet and GMC · 4 vehicles

Specific-fit design. Built for application-matched ignition wire replacement.

Silicone insulation. Flexible construction helps resist heat and wear.

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

Cross-references AP Exhaust 700256, Carlson 7874 and NGK 51437 for the same application. See all 3.

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NGK Spark Plug Wire Set 51437

The NGK Spark Plug Wire Set 51437 is a specific-fit ignition wire set built for select Chevrolet and GMC applications. It uses silicone insulation, a Ferro Mag core, and noise suppression to support stable ignition performance and reduced electrical interference.

Key Features

  • Specific-fit spark plug wire set for direct application matching.
  • Silicone insulation for heat resistance and flexible routing.
  • Ferro Mag core construction for consistent ignition signal transfer.
  • Noise suppression type helps reduce radio-frequency interference.
  • Blue insulation for easy visual identification during service.

Detailed Description

NGK 51437 is part of the NGK Spark Plug Wire Set line, a product family focused on ignition replacement 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. It is a fitment-based replacement for 1998-1999 Chevrolet P30 and 1998-1999 GMC P3500 applications, making it a relevant choice when servicing these platforms.

This part cross-references AP Exhaust 700256 and Carlson 7874 for the same application.

What It Is Used For

  • Replacing worn or damaged ignition wires.
  • Addressing misfire symptoms caused by degraded wire insulation or core wear.
  • Reducing ignition noise that can affect electronic systems or radio reception.
  • Restoring consistent spark delivery in aging ignition systems.

Installation Notes and Tips

Verify wire routing, terminal engagement, and cylinder order before installation. Match the replacement to the vehicle’s original application and inspect related ignition components for wear at the same time. Fits 1998-1999 Chevrolet P30 and 1998-1999 GMC P3500, N/A.

Quality Assurance

NGK positions this ignition product line around OE expertise, durability, and manufacturing quality. The 51437 part number is used for identification and application matching throughout the catalog.

Related reading

This part fits 4 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
1999ChevroletP307.4LV8NGK Spark Plug Wire Set
1999GMCP35007.4LV8NGK Spark Plug Wire Set
1998ChevroletP307.4LV8NGK Spark Plug Wire Set
1998GMCP35007.4LV8NGK Spark Plug Wire Set
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AP Exhaust — 700256Carlson — 7874NGK — 51437