Walker 924-1625 Spark Plug Wire Set

Walker ThunderCore PRO Ignition Wire Set

Walker ThunderCore PRO spark plug wire set 924-1625 is built for direct-fit service on select Volkswagen and Audi applications. It uses OE-quality silicone boots and tips, stainless steel terminals, and tubes to support reliable ignition performance in demanding engine bay conditions.

Compatible With 1998-2005 Volkswagen Passat and 1998-2001 Audi A4, A4 Quattro, A6, and A6 Quattro. This Walker 924-1625 wire set is manufactured in the USA in an ISO9001 certified facility and is built to meet or exceed OEM specifications and test requirements.

Key Features

• Walker ThunderCore PRO product line for ignition wire replacement
• Hi-temp OE-quality silicone boots and tips
• Stainless steel terminals and tubes
• Supplied with dielectric grease
• Manufactured in the USA in an ISO9001 certified facility
• Built to meet or exceed OEM specifications and test requirements

Detailed Product Overview

The Walker ThunderCore PRO line focuses on precision-built ignition components for vehicles that need dependable spark delivery and durable high-temperature materials. Part number 924-1625 is engineered for select Volkswagen Passat and Audi A4, A4 Quattro, A6, and A6 Quattro models, making it a practical choice for ignition wire replacement on import vehicles with confirmed fitment.

This spark plug wire set uses silicone insulation and stainless steel terminals to help maintain secure connections at the plugs and ignition system. The included dielectric grease supports proper terminal contact and serviceability during installation and future maintenance.

Common Issues This Part Can Address

• Misfires caused by worn or heat-damaged plug wires
• Hard starting related to weak ignition transfer
• Rough idle from deteriorated wire insulation or terminals
• Intermittent spark loss from cracked boots or poor terminal contact
• Ignition performance decline on aging Volkswagen and Audi engines

Installation Notes and Tips

Before installation, compare the routing and terminal style to the original wire set on the vehicle. Keep each lead in the correct cylinder order, seat the boots fully, and apply the supplied dielectric grease where appropriate to support a clean connection. Verify fitment for your exact year and engine configuration before service.

Quality Assurance

Walker Products manufactures this ThunderCore PRO wire set in an ISO9001 certified facility in the USA and states that it meets or exceeds OEM specifications and test requirements. This part cross-references DENSO Auto Parts (e.g., 671-6165) for the same application.