Walker
ThunderCore-Ultra

Walker 900-P2041 Coil Boot

Brand Walker 900-P2041
Product line ThunderCore-Ultra
Fits Ford, Mazda, and Mercury · 33 vehicles

ThunderCore-Ultra line. Walker performance ignition hardware.

Coil boot. Provides a secure connection for ignition components.

$18.52Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $18.52
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Walker ThunderCore-Ultra Coil Boot for Ford and Mazda

Walker ThunderCore-Ultra coil boot Part Number 900-P2041 is a direct ignition hardware replacement for select Ford, Mazda, and Mercury applications. It is listed for vehicles such as the Ford Focus, Ford Escape, Ford Transit Connect, Mazda 3, and Mazda Tribute, making it a fitment-specific option for ignition service.

Key Features

  • Walker ThunderCore-Ultra product line coil boot
  • Ignition hardware replacement for select Ford, Mazda, and Mercury vehicles
  • Fitment listed by year, make, and model for application matching
  • Part Number 900-P2041 for catalog and service reference
  • Compatible with multiple 2003-2013 vehicle applications

Detailed Description

The Walker ThunderCore-Ultra 900-P2041 coil boot is part of Walker’s ignition hardware, fasteners, and fittings category. This coil boot is cataloged for 2010-2013 Ford Transit Connect, 2003-2011 Ford Focus, 2005-2008 Ford Escape, 2008 Ford Fiesta, 2008 Mazda Tribute, 2005-2006 Mazda Tribute, 2005-2008 Mercury Mariner, and 2004-2005 Mazda 3. If you are sourcing a Walker 900-P2041 coil boot for Ford Focus or a ThunderCore-Ultra coil boot for Mazda Tribute service, this listing provides the application data needed for selection.

ThunderCore-Ultra identifies Walker’s specific product line within the ignition category, helping separate this coil boot from other Walker offerings. Use the part number 900-P2041 when verifying catalog matchups for Ford Escape, Ford Transit Connect, and related fitments.

What It Helps Address

  • Cracked or worn ignition coil boot insulation
  • Misfire concerns tied to deteriorated coil boot contact
  • Moisture intrusion at the ignition coil connection
  • Heat-related boot wear in high-mileage ignition systems
  • Service replacement during ignition maintenance on Ford and Mazda models

Installation Notes and Tips

Confirm year, make, and model before ordering, since fitment varies by application. Match the coil boot to the existing ignition setup and inspect the coil, plug well, and surrounding ignition components for wear before installation. For search and catalog verification, reference Walker 900-P2041 and the ThunderCore-Ultra line name.

Quality Assurance

Walker ThunderCore-Ultra parts are cataloged for specific vehicle applications and identified by part number for accurate service matching. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

This part fits 33 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2013FordTransit Connect2.0LL4N/AThunderCore-Ultra
2012FordTransit Connect2.0LL4N/AThunderCore-Ultra
2011FordFocus2.0LL4N/AThunderCore-Ultra
2011FordTransit Connect2.0LL4N/AThunderCore-Ultra
2010FordFocus2.0LL4N/AThunderCore-Ultra
2010FordTransit Connect2.0LL4N/AThunderCore-Ultra
2009FordFocus2.0LL4N/AThunderCore-Ultra
2008FordEscape2.3LL4N/AThunderCore-Ultra
2008FordFiesta2.0LL4N/AThunderCore-Ultra
2008FordFiesta1.6LL4N/AThunderCore-Ultra
2008FordFocus2.0LL4N/AThunderCore-Ultra
2008MazdaTribute2.3LL4N/AThunderCore-Ultra
2008MercuryMariner2.3LL4N/AThunderCore-Ultra
2007FordEscape2.3LL4N/AThunderCore-Ultra
2007FordFocus2.3LL4N/AThunderCore-Ultra
2007FordFocus2.0LL4N/AThunderCore-Ultra
2007MercuryMariner2.3LL4N/AThunderCore-Ultra
2006FordEscape2.3LL4N/AThunderCore-Ultra
2006FordFocus2.3LL4N/AThunderCore-Ultra
2006FordFocus2.0LL4N/AThunderCore-Ultra
2006MazdaTribute2.3LL4N/AThunderCore-Ultra
2006MercuryMariner2.3LL4N/AThunderCore-Ultra
2005FordEscape2.3LL4N/AThunderCore-Ultra
2005FordFocus2.3LL4N/AThunderCore-Ultra
2005FordFocus2.0LL4N/AThunderCore-Ultra
2005Mazda32.3LL4N/AThunderCore-Ultra
2005Mazda32.0LL4N/AThunderCore-Ultra
2005MazdaTribute2.3LL4N/AThunderCore-Ultra
2005MercuryMariner2.3LL4N/AThunderCore-Ultra
2004FordFocus2.3LL4N/AThunderCore-Ultra
2004Mazda32.3LL4N/AThunderCore-Ultra
2004Mazda32.0LL4N/AThunderCore-Ultra
2003FordFocus2.3LL4N/AThunderCore-Ultra