Walker 900-P2039-6 Coil Boot Kit

Walker ThunderCore-Ultra Coil Boot Kit

Walker ThunderCore-Ultra 900-P2039-6 is a coil boot kit for ignition service on select Subaru applications. It is listed for 2001-2009 Subaru Outback, 2008-2009 Subaru Legacy, 2008-2009 Subaru Tribeca, and 2006-2007 Subaru B9 Tribeca.

Key Features

• Ignition coil boot kit for Subaru ignition system service
• Walker ThunderCore-Ultra product line
• Direct fitment coverage for select Legacy, Outback, Tribeca, and B9 Tribeca models
• Part number 900-P2039-6 for catalog lookup and ordering

Product Details

The Walker ThunderCore-Ultra line is positioned for ignition service applications where a coil boot kit is needed to support proper spark transfer at the coil-to-spark plug connection. This 900-P2039-6 kit is cataloged for Subaru Legacy, Subaru Outback, Subaru Tribeca, and Subaru B9 Tribeca model years listed above, making it a focused choice for owners servicing ignition components on these vehicles. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Issues Addressed

• Misfire conditions related to worn ignition boot components
• Hard starting caused by degraded coil-to-plug connection
• Rough idle from inconsistent spark delivery
• Ignition performance loss from heat- or age-related boot wear

Installation Notes

Verify engine and ignition configuration before installation to confirm the correct application for your Subaru. Inspect the surrounding ignition components for carbon tracking, cracking, or contamination before reassembly. Use the vehicle service procedure for proper coil and boot handling, and confirm secure seating after installation.

Quality Assurance

Walker ThunderCore-Ultra 900-P2039-6 is cataloged for specific Subaru fitments and should be matched to the vehicle by year, make, model, and ignition configuration before purchase.