Walker 924-1391 Spark Plug Wire Set

Walker ThunderCore PRO Spark Plug Wire Set

Walker ThunderCore PRO spark plug wire set 924-1391 is built for Mercedes-Benz ignition service with OE-style materials and fitment-specific applications. It is manufactured in an ISO 9001 certified facility in the USA and meets or exceeds OEM specifications and test requirements.

Compatible With select Mercedes-Benz E420, S420, S500, SL500, E500, 400E, 400SEL, 500E, 500SEC, 500SEL, 500SL, and 400SE applications, this wire set supports reliable spark delivery for classic V8-powered models.

Key Features

• Walker ThunderCore PRO line for ignition wire replacement
• Precision manufactured from premium components
• Hi-temp OE-quality silicone boots and tips
• Stainless steel terminals and tubes
• Includes dielectric grease packet
• Built to meet or exceed OEM specifications and test requirements
• Part number 924-1391

Product Details

The Walker ThunderCore PRO line focuses on OE-style construction for dependable ignition performance. This spark plug wire set uses high-temperature silicone boots and tips, stainless steel terminals, and tubes to support consistent electrical transfer and durability in demanding engine bay conditions. For Mercedes-Benz E420, S420, S500, SL500, and related applications, 924-1391 provides a direct replacement option for ignition wire service.

This part cross-references DENSO Auto Parts (e.g., 671-8130) for the same application.

What It Helps Address

• Misfires caused by worn or damaged plug wires
• Hard starting related to weak ignition transfer
• Rough idle from inconsistent spark delivery
• Voltage leakage from aged boots or insulation
• Heat-related wire deterioration in the engine bay

Installation Notes

Match each wire to the original routing before removal to preserve firing order and separation. Inspect distributor and spark plug connections for corrosion or carbon tracking, and apply the included dielectric grease where specified to help seal boots and ease future service. Verify fitment against the vehicle’s engine configuration before installation.

Quality Assurance

Walker manufactures ThunderCore PRO components in an ISO 9001 certified facility in the USA and states that this wire set meets or exceeds OEM specifications and test requirements. The brand backs its products with manufacturing, product management, and engineering expertise focused on OE-level replacement standards.