Walker
ThunderCore-Ultra

Walker 900-P2045 Coil Boot

Brand Walker 900-P2045
Product line ThunderCore-Ultra
Fits Lincoln, Mercury, and Ford · 34 vehicles

Coil boot. Ignition hardware for a secure, reliable connection.

ThunderCore-Ultra line. Walker performance-focused ignition hardware.

$17.20Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $17.20
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 Lincoln

Walker ThunderCore-Ultra coil boot part number 900-P2045 is a direct-fit ignition hardware component for select Ford, Lincoln, and Mercury vehicles. It is listed for applications such as the Ford F-150, Ford Mustang, and Lincoln Navigator, with fitment covering model years from 2004 through 2008.

Key Features

  • Coil boot for ignition hardware service
  • Walker ThunderCore-Ultra product line
  • Fits select Ford, Lincoln, and Mercury applications
  • Application-specific fitment for 2004-2008 vehicles
  • Part number 900-P2045 for catalog lookup

Detailed Description

Walker 900-P2045 is a ThunderCore-Ultra coil boot used in ignition system service where a precise boot-to-coil connection is required. This part is cataloged for the Ford F-150, Ford Mustang, Ford Expedition, Ford Explorer, Ford Explorer Sport Trac, Ford F-250 Super Duty, Ford F-350, Ford F-350 Super Duty, Lincoln Mark LT, Lincoln Navigator, and Mercury Mountaineer. If you are searching for a Walker ThunderCore-Ultra coil boot for a 2004-2007 Ford F-150 or a 2005-2007 Ford Mustang, this part number is the relevant reference.

Walker ThunderCore-Ultra is the brand line identified for this ignition hardware application, and 900-P2045 is the specific part number to use when matching the boot to the vehicle listing. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Is Used For

  • Replacing a worn or damaged ignition coil boot
  • Restoring a secure connection between ignition components
  • Addressing misfire-related service caused by boot wear
  • Servicing ignition hardware on Ford truck and SUV applications
  • Matching the correct boot for listed Lincoln and Mercury models

Installation Notes and Tips

Verify the vehicle year, make, and model against the fitment list before ordering. Confirm the ignition component layout on the vehicle and compare the existing boot to part number 900-P2045 during service. For best results, inspect adjacent ignition hardware for heat damage, cracking, or contamination before reassembly.

Quality Assurance

Walker ThunderCore-Ultra 900-P2045 is cataloged for specific vehicle applications to support accurate parts matching and consistent fitment selection.

This part fits 34 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2008LincolnMark LT5.4LV8N/AThunderCore-Ultra
2008MercuryMountaineer4.6LV8GASN/AThunderCore-Ultra
2007FordExpedition5.4LV8N/AThunderCore-Ultra
2007FordExplorer4.6LV8N/AThunderCore-Ultra
2007FordExplorer Sport Trac4.6LV8N/AThunderCore-Ultra
2007FordF-1505.4LV8N/AThunderCore-Ultra
2007FordF-250 Super Duty6.8LV10N/AThunderCore-Ultra
2007FordF-250 Super Duty5.4LV8N/AThunderCore-Ultra
2007FordF-3505.4LV8N/AThunderCore-Ultra
2007FordF-350 Super Duty6.8LV10N/AThunderCore-Ultra
2007FordF-350 Super Duty5.4LV8N/AThunderCore-Ultra
2007FordMustang4.6LV8N/AThunderCore-Ultra
2007LincolnMark LT5.4LV8N/AThunderCore-Ultra
2007LincolnNavigator5.4LV8N/AThunderCore-Ultra
2007MercuryMountaineer4.6LV8GASN/AThunderCore-Ultra
2006FordExpedition5.4LV8N/AThunderCore-Ultra
2006FordF-1505.4LV8N/AThunderCore-Ultra
2006FordF-250 Super Duty6.8LV10N/AThunderCore-Ultra
2006FordF-250 Super Duty5.4LV8N/AThunderCore-Ultra
2006FordF-3505.4LV8N/AThunderCore-Ultra
2006FordF-350 Super Duty6.8LV10N/AThunderCore-Ultra
2006FordF-350 Super Duty5.4LV8N/AThunderCore-Ultra
2006FordMustang4.6LV8N/AThunderCore-Ultra
2006LincolnMark LT5.4LV8N/AThunderCore-Ultra
2006LincolnNavigator5.4LV8N/AThunderCore-Ultra
2006MercuryMountaineer4.6LV8GASN/AThunderCore-Ultra
2005FordExpedition5.4LV8N/AThunderCore-Ultra
2005FordF-1505.4LV8N/AThunderCore-Ultra
2005FordF-250 Super Duty6.8LV10N/AThunderCore-Ultra
2005FordF-250 Super Duty5.4LV8N/AThunderCore-Ultra
2005FordF-350 Super Duty6.8LV10N/AThunderCore-Ultra
2005FordF-350 Super Duty5.4LV8N/AThunderCore-Ultra
2005FordMustang4.6LV8N/AThunderCore-Ultra
2004FordF-1505.4LV8N/AThunderCore-Ultra