NGK
NGK Spark Plug Wire Set

NGK 8149 Spark Plug Wire Set

Brand NGK 8149
Insulation Color Blue
Insulation Material Silicone
Noise Suppression Type Yes
Core Material Mag (var. pitch)
Universal Or Specific Fit Specific
Insulation Outside Diameter 8.00
Part Number Rc-tz38
Stock Number 8149
Product line NGK Spark Plug Wire Set
Fits Toyota · 7 vehicles

OE-standard quality. 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 in the ignition system.

Cross-references Anchor 9133, AP Exhaust 700335 and DENSO Auto Parts 671-6186 for the same application. See all 14.

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NGK Spark Plug Wire Set for Toyota Land Cruiser

The NGK Spark Plug Wire Set 8149 is a specific-fit ignition wire set for 1981-1987 Toyota Land Cruiser applications. Built with blue silicone insulation and noise suppression construction, it is intended to support stable spark delivery and consistent ignition performance in classic Toyota Land Cruiser service.

Key Features

  • Specific-fit spark plug wire set for confirmed Toyota Land Cruiser applications
  • Blue silicone insulation for heat resistance and durability
  • Mag (variable pitch) core material for ignition noise suppression
  • 8.00 mm insulation outside diameter
  • NGK part number 8149 / RC-TZ38

Product Details

NGK Spark Plug Wire Set 8149 is part of NGK Spark Plug Wire Set line, backed by NGK’s long history in ignition components and OE-focused manufacturing. This wire set is built for 1981-1987 Toyota Land Cruiser models and uses a specific-fit design to match the application more precisely than a universal wire set. The silicone insulation and noise suppression construction help maintain reliable ignition signal transfer while supporting clean engine operation in demanding driving conditions.

This part cross-references DENSO Auto Parts 671-6186 for the same application.

Common Issues This Part May Address

  • Misfires caused by worn or heat-damaged plug wires
  • Intermittent ignition noise affecting engine performance
  • Hard starting related to weak spark delivery
  • Rough idle from deteriorated wire insulation
  • Voltage leakage in aging Toyota Land Cruiser ignition systems

Installation Notes and Tips

Verify wire routing against the original layout before installation to avoid crossfire and heat exposure. Inspect distributor cap, rotor, and spark plugs at the same time, since worn ignition components can shorten wire life and affect performance. Confirm fitment by matching the vehicle year and engine application for your 1981-1987 Toyota Land Cruiser before ordering NGK 8149.

Quality Assurance

NGK manufactures ignition products to OE-level durability and performance standards, drawing on extensive global OE experience and automotive engineering expertise. The 8149 spark plug wire set is produced as a replacement ignition component for domestic and import vehicles, including Toyota Land Cruiser applications.

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypeNotes
1987ToyotaLand Cruiser4.2LL6GASNGK Spark Plug Wire Set
1986ToyotaLand Cruiser4.2LL6GASNGK Spark Plug Wire Set
1985ToyotaLand Cruiser4.2LL6GASNGK Spark Plug Wire Set
1984ToyotaLand Cruiser4.2LL6GASNGK Spark Plug Wire Set
1983ToyotaLand Cruiser4.2LL6GASNGK Spark Plug Wire Set
1982ToyotaLand Cruiser4.2LL6GASNGK Spark Plug Wire Set
1981ToyotaLand Cruiser4.2LL6GASNGK 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.
Anchor — 9133AP Exhaust — 700335DENSO Auto Parts — 671-6186Dorman - HELP — 96497Four Seasons — 55941NGK — 814935-6054175-593566360913386497128615156020CH647