NGK
NGK Spark Plug Wire Set

NGK 8143 Spark Plug Wire Set

Brand NGK 8143
Core Material Mag (Var. Pitch)
Insulation Color Blue
Insulation Material Silicone
Insulation Outside Diameter 7.00
Noise Suppression Type Yes
Part Number RC-TX35
Stock Number 8143
Universal Or Specific Fit Specific
Product line NGK Spark Plug Wire Set
Fits Toyota and Chevrolet · 8 vehicles

OE-standard replacement. Built to meet original-equipment durability and performance expectations.

Silicone insulation. Helps resist heat and wear for dependable ignition performance.

Noise suppression. Helps reduce electrical interference for cleaner operation.

Cross-references Anchor 8143, Anchor 9100 and Anchor 9805 for the same application. See all 15.

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

NGK Spark Plug Wire Set for OE-Style Ignition Service

The NGK Spark Plug Wire Set 8143 is a specific-fit ignition wire set built with blue silicone insulation, noise suppression, and a mag core with variable pitch. It is made for drivers replacing worn ignition wires on select Toyota and Chevrolet applications, including Toyota MR2, Toyota Corolla, and Chevrolet Nova fitments.

Key Features

  • Specific-fit spark plug wire set for confirmed vehicle applications
  • Blue silicone insulation for heat resistance and durability
  • Noise suppression design helps reduce ignition interference
  • Mag core with variable pitch for stable ignition performance
  • 7.00 mm insulation outside diameter
  • NGK part number 8143, also referenced as RC-TX35

Product Details

NGK Spark Plug Wire Set 8143 is part of NGK’s ignition product line, which includes spark plugs, glow plugs, ignition coils, coil-on-plug boots, and wire sets. NGK applies its OE-focused manufacturing experience to replacement ignition components for domestic and import vehicles. This wire set is a direct-fit service part for 1985-1989 Toyota MR2, 1987-1988 Toyota Corolla, and 1988 Chevrolet Nova applications.

This part cross-references DENSO Auto Parts 671-4161 and Gates 7425 for the same application.

Common Issues This Part May Solve

  • Engine misfire caused by worn or damaged ignition wires
  • Hard starting related to weak spark delivery
  • Ignition noise that can interfere with vehicle electronics
  • Rough idle from deteriorated wire insulation or core wear
  • Loss of spark consistency under load

Installation Notes and Tips

Verify the vehicle application before installation and route each wire to match the original layout. Inspect spark plugs, distributor cap, and ignition coil condition at the same time, since worn related components can affect ignition performance. Confirm the wire set is the correct specific-fit part for your vehicle before service.

Quality Assurance

NGK manufactures premium ignition products to meet OE standards and supports a broad range of domestic and import vehicle coverage. Part number 8143 is built as a replacement ignition wire set for confirmed applications.

This part fits 8 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1989ToyotaMR21.6LL4N/ANGK Spark Plug Wire Set
1988ChevroletNova1.6LL4N/ANGK Spark Plug Wire Set
1988ToyotaCorolla1.6LL4N/ANGK Spark Plug Wire Set
1988ToyotaMR21.6LL4N/ANGK Spark Plug Wire Set
1987ToyotaCorolla1.6LL4N/ANGK Spark Plug Wire Set
1987ToyotaMR21.6LL4N/ANGK Spark Plug Wire Set
1986ToyotaMR21.6LL4N/ANGK Spark Plug Wire Set
1985ToyotaMR21.6LL4N/ANGK Spark Plug Wire Set
Directly replaces or cross-references 15 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Anchor — 8143Anchor — 9100Anchor — 9805AP Exhaust — 700364DENSO Auto Parts — 671-4161Focus Auto Parts — 86468Four Seasons — 55933Gates — 742535-409235-PF773390910009805127416S154029CH7416