HomeIgnition > Hardware, Fasteners and FittingsWalker 900-P2045 Coil Boot
Part #: 900-P2045

Walker 900-P2045 Coil Boot

ThunderCore-Ultra
34 vehicles fit this part
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
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Reliable Coil Boot Replacement for Ford, Lincoln, and Mercury Vehicles

The Walker ThunderCore-Ultra Coil Boot 900-P2045 is designed to provide a secure and efficient connection between the ignition coil and spark plug. Engineered for select Ford, Lincoln, and Mercury models, this coil boot ensures consistent ignition performance and helps maintain engine reliability.

  • 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 for precise fitment
  • Constructed to withstand high temperatures and electrical stress
  • Ensures optimal spark delivery and ignition system integrity
  • Part of the Walker ThunderCore-Ultra product line for enhanced durability

About the Walker ThunderCore-Ultra Product Line

The ThunderCore-Ultra line by Walker focuses on ignition hardware designed to meet the demands of modern engines. This product line emphasizes durability and reliable electrical conductivity, making it suitable for heavy-duty and performance applications. The 900-P2045 coil boot benefits from this engineering approach, providing a robust connection that supports consistent ignition in Ford, Lincoln, and Mercury vehicles.

Product Details and Application

The Walker 900-P2045 coil boot is specifically engineered to fit a range of Ford, Lincoln, and Mercury models including the Expedition, Explorer, Explorer Sport Trac, F-150, F-250 Super Duty, F-350, F-350 Super Duty, Mark LT, Mountaineer, Mustang, and Navigator. This coil boot serves as a critical component in the ignition system by insulating and protecting the connection between the ignition coil and spark plug. Its design helps prevent misfires and electrical shorts caused by heat, moisture, and vibration.

Common Issues Addressed by the Coil Boot

  • Ignition misfires due to poor coil-to-plug connection
  • Electrical shorts caused by damaged or worn boots
  • Engine performance issues related to inconsistent spark delivery
  • Moisture intrusion affecting ignition system reliability
  • Vibration-induced wear leading to ignition failure

Installation Notes and Tips

  • Ensure the engine is cool before installation to avoid burns
  • Inspect the ignition coil and spark plug for damage before fitting the new coil boot
  • Apply dielectric grease inside the boot to improve electrical conductivity and ease future removal
  • Confirm the boot is fully seated on both the coil and spark plug to prevent misfires
  • Use proper tools to avoid damaging the boot during installation

Quality Assurance and Warranty

Walker manufactures the 900-P2045 coil boot to meet industry standards for ignition components. While specific warranty details are not provided, Walker products typically undergo rigorous quality control to ensure durability and performance. This coil boot is engineered to maintain ignition system integrity under demanding operating conditions.

This part fits 34 vehicles. Search below:

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

* 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.