HomeIgnition > Ignition CoilWalker 900-P2045-8 Coil Boot Kit
Part #: 900-P2045-8

Walker 900-P2045-8 Coil Boot Kit

ThunderCore-Ultra
⚙️ 29 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦ThunderCore-Ultra
🚗Fitment: Lincoln, Mercury, and Ford, Mark LT, Mountaineer, Expedition, Explorer, Explorer Sport Trac, F-150, F-250 Super Duty, F-350, F-350 Super Duty, Mustang, and Navigator
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Coil Boot Kit for Ford, Lincoln, and Mercury Vehicles

The Walker ThunderCore-Ultra Coil Boot Kit 900-P2045-8 is designed to provide dependable ignition coil boot replacement for select Ford, Lincoln, and Mercury models. This kit ensures proper electrical connection and insulation for your vehicle's ignition system.

  • Compatible with Ford Expedition, Explorer, Explorer Sport Trac, F-150, F-250 Super Duty, F-350, F-350 Super Duty, Mark LT, Mountaineer, Mustang, and Lincoln Navigator
  • Part number 900-P2045-8 for precise identification and fitment
  • Includes coil boots engineered to maintain optimal spark delivery
  • Part of the ThunderCore-Ultra line, designed for enhanced ignition system performance
  • Durable materials resist heat and wear for extended service life

About the ThunderCore-Ultra Product Line

The ThunderCore-Ultra brand line focuses on ignition components that meet stringent quality standards for ignition coil boots and related parts. This line is engineered to provide consistent electrical insulation and reliable spark transmission, which is critical for maintaining engine performance and efficiency in Ford, Lincoln, and Mercury vehicles.

Product Details and Application

The Walker 900-P2045-8 Coil Boot Kit is specifically designed for use in a range of Ford, Lincoln, and Mercury vehicles including popular models such as the Ford F-150 and Lincoln Navigator. The coil boots in this kit ensure a secure connection between the ignition coil and spark plug, preventing misfires and electrical leakage. Proper ignition coil boot function is essential for maintaining engine smoothness and fuel efficiency.

Common Issues Addressed by This Coil Boot Kit

  • Ignition misfires caused by worn or damaged coil boots
  • Electrical arcing or spark leakage leading to engine performance problems
  • Difficulty starting the engine due to poor spark delivery
  • Rough idling or hesitation during acceleration
  • Increased emissions from incomplete combustion

Installation Notes and Tips

  • Ensure the engine is cool before beginning installation to avoid burns
  • Disconnect the battery to prevent electrical shock during replacement
  • Carefully remove old coil boots without damaging ignition coils or spark plugs
  • Apply dielectric grease to the inside of new boots to improve electrical conductivity and ease future removal
  • Verify secure fitment of the new coil boots to prevent moisture intrusion

Quality Assurance and Warranty

Walker ignition components, including the ThunderCore-Ultra Coil Boot Kit 900-P2045-8, are manufactured to meet or exceed OEM specifications. While specific warranty details are not provided here, Walker products typically come with a limited warranty against defects in materials and workmanship. This ensures confidence in the durability and reliability of the coil boot kit for your Ford, Lincoln, or Mercury vehicle.

This part fits 29 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2008LincolnMark LT5.4LV8N/AThunderCore-Ultra
2008MercuryMountaineer4.6LV8N/AThunderCore-Ultra
2007FordExpedition5.4LV8N/AThunderCore-Ultra
2007FordExplorer4.6LV8N/AThunderCore-Ultra
2007FordExplorer Sport Trac4.6LV8N/AThunderCore-Ultra
2007FordF-1505.4LV8N/AThunderCore-Ultra
2007FordF-250 Super Duty5.4LV8N/AThunderCore-Ultra
2007FordF-3505.4LV8N/AThunderCore-Ultra
2007FordF-350 Super Duty5.4LV8N/AThunderCore-Ultra
2007FordMustangGT4.6LV8N/AThunderCore-Ultra
2007LincolnMark LT5.4LV8N/AThunderCore-Ultra
2007LincolnNavigator5.4LV8N/AThunderCore-Ultra
2007MercuryMountaineer4.6LV8N/AThunderCore-Ultra
2006FordExpedition5.4LV8N/AThunderCore-Ultra
2006FordF-1505.4LV8N/AThunderCore-Ultra
2006FordF-250 Super Duty5.4LV8N/AThunderCore-Ultra
2006FordF-3505.4LV8N/AThunderCore-Ultra
2006FordF-350 Super Duty5.4LV8N/AThunderCore-Ultra
2006FordMustang4.6LV8N/AThunderCore-Ultra
2006LincolnMark LT5.4LV8N/AThunderCore-Ultra
2006LincolnNavigator5.4LV8N/AThunderCore-Ultra
2006MercuryMountaineer4.6LV8N/AThunderCore-Ultra
2005FordExpedition5.4LV8N/AThunderCore-Ultra
2005FordF-1505.4LV8N/AThunderCore-Ultra
2005FordF-250 Super Duty5.4LV8N/AThunderCore-Ultra
2005FordF-350 Super Duty5.4LV8N/AThunderCore-Ultra
2005FordMustang4.6LV8N/AThunderCore-Ultra
2004FordF-1505.4LV8N/AThunderCore-Ultra
2004FordF-350 Super Duty5.4LV8N/AThunderCore-Ultra

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.