NGK 54342 Spark Plug Wire Set
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 NGK Spark Plug Wire Set

NGK 54342 Spark Plug Wire Set

Brand NGK 54342
Insulation Color Blue
Insulation Material Silicone
Noise Suppression Type Yes
Core Material Tinned copper
Universal Or Specific Fit Specific
Insulation Outside Diameter 7.00
Part Number Rc-euc056
Stock Number 54342
Product line NGK Spark Plug Wire Set
Fits Mercedes-Benz · 3 vehicles

Specific-fit design. Built for direct application coverage and straightforward service replacement.

Silicone insulation. Flexible material helps resist heat and maintain wire routing integrity.

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

Cross-references Anchor 9029, Carlson 7872 and Four Seasons 55771 for the same application. See all 9.

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NGK Spark Plug Wire Set 54342

NGK Spark Plug Wire Set 54342 is a specific-fit ignition wire set for the Mercedes-Benz 450SEL. It uses silicone insulation, a tinned copper core, and noise suppression construction to support stable ignition performance and reduced electrical interference.

Key Features

  • Specific-fit spark plug wire set for direct application coverage.
  • Silicone insulation for heat resistance and flexible routing.
  • Tinned copper core for consistent conductivity.
  • Noise suppression design helps limit ignition interference.
  • Blue insulation for easy visual identification during service.

Product Details

Fits 1977-1979 Mercedes-Benz 450SEL, N/A. This NGK ignition wire set is built around OE-focused manufacturing standards and is part of the NGK Spark Plug Wire Set line. The 54342 part number is associated with a specific-fit design, making it a direct replacement style option for service work on the Mercedes-Benz 450SEL. NGK’s ignition product range includes spark plugs, coils, boots, and wire sets, with manufacturing and distribution support built around automotive replacement needs. This part cross-references Four Seasons (e.g., 55771) for the same application.

Common Issues It Can Address

  • Misfires caused by worn or damaged ignition wires.
  • Electrical noise that can affect ignition system operation.
  • Cracked or heat-aged wire insulation.
  • Inconsistent spark delivery from deteriorated wire conductors.

Installation Notes and Tips

Verify wire routing, terminal engagement, and cylinder order before installation. Inspect related ignition components for wear or carbon tracking while servicing the ignition system. Confirm fitment against the vehicle application and part number 54342 before final installation.

Quality Assurance

NGK brings more than 80 years of ignition experience and OE-focused manufacturing to its replacement ignition products. The 54342 wire set is produced to meet OE standards for durability and operational performance.

Related reading

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
1979Mercedes-Benz450SEL6.8LV8NGK Spark Plug Wire Set
1978Mercedes-Benz450SEL6.8LV8NGK Spark Plug Wire Set
1977Mercedes-Benz450SEL6.8LV8NGK Spark Plug Wire Set
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Anchor — 9029Carlson — 7872Four Seasons — 55771NGK — 5434235-800209029127860148002CH7860