Walker 924-1981 Spark Plug Wire Set

Walker ThunderCore PRO Spark Plug Wire Set

Walker ThunderCore PRO spark plug wire set 924-1981 is built for Subaru applications that need dependable ignition performance and OE-style construction. It is manufactured in an ISO9001 certified facility in the USA and uses premium components selected to meet or exceed OEM specifications and test requirements.

Compatible with select Subaru Baja, Impreza, Legacy, Outback, and Forester models, this wire set is a direct-fit ignition service part for restoring consistent spark delivery. Part number 924-1981 is also supplied with dielectric grease for service use.

Key Features

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

Detailed Description

The Walker ThunderCore PRO wire set is engineered as an OE-style replacement for Subaru ignition systems. It is designed for stable spark transfer, durable terminal contact, and heat-resistant boot performance in demanding underhood conditions. This makes it a practical choice for Subaru Baja, Subaru Impreza, Subaru Legacy, Subaru Outback, and Subaru Forester service work where ignition wire condition affects drivability.

This part cross-references DENSO Auto Parts 671-4246 for the same application.

What It Helps Address

• Misfires caused by worn or heat-damaged plug wires
• Hard starting related to weak spark delivery
• Rough idle from deteriorated ignition wire insulation
• Intermittent ignition performance from corroded terminals
• Voltage leakage across aging wire boots

Installation Notes and Tips

Verify cylinder routing before removal and replace wires one at a time when possible to preserve firing order. Inspect spark plugs, coil connections, and routing clips during service. Apply the included dielectric grease where specified by the vehicle service procedure to help support boot sealing and future removal.

Fits 2003-2006 Subaru Baja, N/A. Fits 1999-2004 Subaru Impreza, N/A. Fits 1999-2004 Subaru Legacy, N/A. Fits 2000-2004 Subaru Outback, N/A. Fits 1999-2003 Subaru Forester, N/A.

Quality Assurance

Walker Products states this ThunderCore PRO wire set is manufactured to meet or exceed OEM or equivalent standards, with product engineering and manufacturing oversight supporting the design and production process.