Walker 924-1689 Spark Plug Wire Set

Walker ThunderCore PRO Spark Plug Wire Set

Walker ThunderCore PRO spark plug wire set 924-1689 is built for direct replacement service on select Mercury Cougar and Mazda MPV applications. It is manufactured in an ISO9001 certified facility in the USA and uses OE-quality silicone boots and tips, stainless steel terminals, and tubes for dependable ignition system performance.

Key Features

• Walker ThunderCore PRO product line for ignition wire replacement
• Precision manufactured to meet or exceed OEM specifications and test requirements
• Hi-temp silicone boots and tips for high-heat engine bay conditions
• Stainless steel terminals and tubes for secure electrical connection
• Includes dielectric grease packet for terminal service
• Part number 924-1689 for catalog and fitment lookup

Product Details

Walker 924-1689 is a spark plug wire set engineered for ignition service where stable spark delivery and durable insulation matter. The ThunderCore PRO line focuses on OE-style construction and materials, making it a practical choice for routine maintenance on 2001-2002 Mercury Cougar and 2000-2001 Mazda MPV applications. This part cross-references DENSO Auto Parts 671-6110 for the same application.

Compatible With 2001-2002 Mercury Cougar, N/A. Compatible With 2001 Mazda MPV, N/A. Compatible With 2000 Mazda MPV, N/A; from 10/17/2000.

Common Issues This Part May 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 poor terminal contact
• Voltage leakage in aging ignition wire assemblies

Installation Notes

Match each wire to the correct cylinder routing before removal, and transfer one lead at a time to preserve firing order. Apply the included dielectric grease at the boots as directed during installation. Verify routing away from exhaust heat and moving components, especially on Mercury Cougar and Mazda MPV engine layouts.

Quality Assurance

Walker states that ThunderCore PRO wire sets are manufactured to meet or exceed OEM specifications and test requirements. Production is backed by Walker’s manufacturing, product management, and engineering expertise.