NGK 54415 Spark Plug Wire Set

Ignition Wire Set Overview

NGK Spark Plug Wire Set 54415 is a specific-fit ignition wire set built for classic Mercedes-Benz applications. It uses silicone insulation, tinned copper core material, and noise suppression to support stable spark delivery and reduced electrical interference.

Key Features

• Specific-fit spark plug wire set for direct application matching.
• Silicone insulation helps resist heat and maintain flexibility.
• Tinned copper core material supports consistent conductivity.
• Noise suppression design helps reduce ignition interference.
• Blue insulation provides a clean, identifiable finish.

Detailed Description

NGK 54415 is part of the NGK Spark Plug Wire Set line, a product family focused on OE-style ignition replacement parts. NGK brings more than 80 years of automotive experience and a long OE background to its ignition products, with manufacturing standards aimed at durability and operational performance. This wire set is engineered for specific-fit use on Mercedes-Benz 600 and Mercedes-Benz 300SEL applications, making it a relevant choice for owners restoring or maintaining these vehicles. The 54415 part number is also referenced as RC-EUC057.

This part cross-references Dorman - HELP (e.g., 54415) for the same application.

What It Is Used For

• Replacing worn ignition wires with a direct-fit wire set.
• Addressing misfire symptoms caused by degraded wire insulation.
• Reducing radio-frequency interference from the ignition system.
• Restoring reliable spark transfer in aging ignition systems.

Installation Notes and Tips

Verify the vehicle application against the listed fitment before installation. Route the wires to match the original layout and confirm secure terminal engagement at each connection point. The specific-fit design helps simplify replacement on compatible Mercedes-Benz models.

Quality Assurance

NGK manufactures premium ignition products to meet OE standards, backed by extensive global OE expertise and automotive experience. The 54415 part number is supported by NGK's ignition-focused product line and manufacturing network.