NGK 54248 Spark Plug Wire Set

NGK Spark Plug Wire Set 54248

Restore consistent ignition performance with this NGK spark plug wire set, part number 54248. It is a specific-fit replacement built for Mercedes-Benz applications and uses silicone insulation with a tinned copper core for dependable spark transfer and noise suppression.

Key Features

• Specific-fit spark plug wire set for direct application matching.
• Silicone insulation helps resist heat and maintain flexibility.
• Tinned copper core supports stable electrical conductivity.
• Noise suppression design helps reduce ignition interference.
• Blue wire insulation for easy visual identification.

Detailed Description

NGK 54248 is part of the NGK Spark Plug Wire Set line, a product family focused on ignition replacement components. NGK brings extensive OE experience and manufactures premium ignition parts to OE-level durability and performance standards. This wire set is engineered for 1986-1991 Mercedes-Benz 420SEL, 560SEC, and 560SEL applications, making it a fitment-specific choice for owners replacing worn ignition leads on these models. The combination of silicone insulation and a tinned copper core supports reliable spark delivery while the noise suppression design helps maintain cleaner ignition operation. The NGK 54248 wire set is a practical replacement for Mercedes-Benz ignition service where consistent electrical performance matters.

Common Issues It May Solve

• Misfires caused by deteriorated ignition wires.
• Hard starting related to weak spark delivery.
• Ignition noise from aging wire insulation or suppression loss.
• Rough running from inconsistent electrical transfer.
• Visible cracking or wear in existing spark plug wires.

Installation Notes and Tips

Verify engine application and wire routing before installation. Match each lead to the correct cylinder position and inspect related ignition components such as plugs and coils during service. For Mercedes-Benz 420SEL, 560SEC, and 560SEL fitment, confirm the existing wire set layout against the vehicle before removal to avoid cross-routing.

Quality Assurance

NGK is known for ignition components built to meet OE standards, backed by more than 80 years of automotive experience and global manufacturing expertise. Part number 54248 reflects NGK's focus on durability, performance, and consistent replacement quality.