NGK 51189 Spark Plug Wire Set
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NGK
 NGK Spark Plug Wire Set

NGK 51189 Spark Plug Wire Set

Brand NGK 51189
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-gmx038
Stock Number 51189
Product line NGK Spark Plug Wire Set
Fits Chevrolet · 2 vehicles

Specific-fit design. Made for accurate application matching in ignition service.

Silicone insulation. Helps resist heat while keeping the wire flexible.

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

Cross-references AP Exhaust 700389, Focus Auto Parts 86133 and Four Seasons 96133 for the same application. See all 14.

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Free returns within 60 days if it doesn't fit when fitment is verified.
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NGK Spark Plug Wire Set 51189

Built for specific applications, this NGK spark plug wire set uses silicone insulation and noise suppression construction to support stable ignition performance. The blue wire set is identified by part number 51189 and stock number 51189, with a specific-fit design for direct application matching.

  • Silicone insulation helps resist heat and maintain wire flexibility.
  • Noise suppression construction reduces electrical interference in the ignition system.
  • Specific-fit design supports accurate replacement selection.
  • Blue insulation provides easy visual identification during service.

Detailed fitment and application

Fits 1989-1990 Chevrolet Caprice, N/A. This NGK spark plug wire set is a direct replacement style ignition component for service work on the Chevrolet Caprice, with fitment listed only for the applications shown. Part number 51189 is also referenced as RC-GMX038 in the product data.

What this part helps address

  • Misfires caused by worn or degraded ignition wires.
  • Electrical noise that can interfere with ignition performance.
  • Cracked or heat-aged wire insulation.
  • Service replacement needs for a specific-fit ignition wire set.

Installation notes and quality

Match the wire routing and terminal locations to the original layout before installation. Verify the application against the listed fitment for 1989-1990 Chevrolet Caprice, N/A, and confirm the part number 51189 before service. NGK brings more than 80 years of ignition experience and manufactures premium ignition products to OE standards.

Quality assurance

NGK’s OE-focused ignition product line is built with durability and operational performance in mind, supported by the brand’s long-standing experience in ignition components and global manufacturing capability.

Related reading

This part fits 2 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
1990ChevroletCaprice4.3LV6NGK Spark Plug Wire Set
1989ChevroletCaprice4.3LV6NGK 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 — 700389Focus Auto Parts — 86133Four Seasons — 96133NGK — 51189Standard Ignition — 770135-613435-PF77621671-60367620931409314116035127614CH7614