HomeIgnition > Hardware, Fasteners and FittingsWalker 900-P2042 Coil Boot
Part #: 900-P2042

Walker 900-P2042 Coil Boot

ThunderCore-Ultra
45 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
ThunderCore-Ultra
Fitment: Mazda, Ford, and Mercury, Tribute, Escape, 6, Mariner, Five Hundred, Freestyle, Montego, MPV, Taurus, and Sable
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Walker ThunderCore-Ultra Coil Boot 900-P2042

The Walker ThunderCore-Ultra Coil Boot 900-P2042 is designed for reliable ignition performance in select Ford, Mazda, and Mercury vehicles. This coil boot ensures proper electrical insulation and connection between the ignition coil and spark plug, supporting efficient engine operation.

  • Compatible with Ford Escape, Five Hundred, Freestyle, Taurus, Tribute, and Sable models
  • Fits Mazda 6 and MPV models
  • Designed for Mercury Mariner and Montego vehicles
  • Part number 900-P2042 for precise identification
  • Part of the ThunderCore-Ultra product line for ignition hardware

About the ThunderCore-Ultra Product Line

The ThunderCore-Ultra line by Walker focuses on ignition hardware components engineered to meet or exceed OEM specifications. This product line emphasizes durability and consistent electrical performance, making it suitable for coil boots like the 900-P2042 that require reliable insulation and fitment across multiple vehicle makes and models.

Detailed Product Description

The Walker 900-P2042 coil boot is an essential ignition component that connects the ignition coil to the spark plug, providing a secure and insulated path for the high voltage spark. This coil boot is engineered to fit specific Ford, Mazda, and Mercury vehicles, including the Ford Escape, Five Hundred, Freestyle, Taurus, Tribute, and Sable, Mazda 6 and MPV, and Mercury Mariner and Montego. Its design ensures proper sealing and electrical insulation to prevent misfires and maintain engine efficiency.

Common Applications and Issues Addressed

  • Prevents ignition misfires caused by faulty or worn coil boots
  • Eliminates electrical arcing between coil and spark plug
  • Reduces engine performance issues related to poor spark delivery
  • Helps maintain consistent engine starting and idling
  • Addresses moisture intrusion that can damage ignition components

Installation Notes and Tips

  • Ensure the engine is cool before installation to avoid burns
  • Verify compatibility with your specific vehicle make and model
  • Inspect the ignition coil and spark plug for wear before installing the coil boot
  • Apply dielectric grease to the inside of the boot for improved electrical contact and easier removal
  • Securely seat the coil boot to prevent loose connections

Quality Assurance and Warranty

Walker manufactures the ThunderCore-Ultra coil boot 900-P2042 to meet industry standards for ignition hardware. While specific warranty details are not provided, Walker products typically undergo rigorous quality control to ensure durability and reliable performance in compatible Ford, Mazda, and Mercury vehicles.

This part fits 45 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2009MazdaTribute3.0LV6N/AThunderCore-Ultra
2008FordEscape3.0LV6N/AThunderCore-Ultra
2008Mazda63.0LV6N/AThunderCore-Ultra
2008MazdaTribute3.0LV6N/AThunderCore-Ultra
2008MercuryMariner3.0LV6N/AThunderCore-Ultra
2007FordFive Hundred3.0LV6N/AThunderCore-Ultra
2007FordFreestyle3.0LV6N/AThunderCore-Ultra
2007Mazda63.0LV6N/AThunderCore-Ultra
2007MercuryMontego3.0LV6N/AThunderCore-Ultra
2006FordEscape3.0LV6N/AThunderCore-Ultra
2006FordFive Hundred3.0LV6N/AThunderCore-Ultra
2006FordFreestyle3.0LV6N/AThunderCore-Ultra
2006Mazda63.0LV6N/AThunderCore-Ultra
2006MazdaMPV3.0LV6N/AThunderCore-Ultra
2006MazdaTribute3.0LV6N/AThunderCore-Ultra
2006MercuryMariner3.0LV6N/AThunderCore-Ultra
2006MercuryMontego3.0LV6N/AThunderCore-Ultra
2005FordEscape3.0LV6N/AThunderCore-Ultra
2005FordFive Hundred3.0LV6N/AThunderCore-Ultra
2005FordFreestyle3.0LV6N/AThunderCore-Ultra
2005FordTaurus3.0LV6N/AThunderCore-Ultra
2005Mazda63.0LV6N/AThunderCore-Ultra
2005MazdaTribute3.0LV6N/AThunderCore-Ultra
2005MercuryMariner3.0LV6N/AThunderCore-Ultra
2005MercuryMontego3.0LV6N/AThunderCore-Ultra
2005MercurySable3.0LV6FLEXN/AThunderCore-Ultra
2004FordEscape3.0LV6N/AThunderCore-Ultra
2004FordTaurus3.0LV6N/AThunderCore-Ultra
2004Mazda63.0LV6N/AThunderCore-Ultra
2004MazdaTribute3.0LV6N/AThunderCore-Ultra
2004MercurySable3.0LV6FLEXN/AThunderCore-Ultra
2003FordEscape3.0LV6N/AThunderCore-Ultra
2003Mazda63.0LV6N/AThunderCore-Ultra
2003MazdaTribute3.0LV6N/AThunderCore-Ultra
2003MercurySable3.0LV6N/AThunderCore-Ultra
2003MercurySable3.0LV6GASN/AThunderCore-Ultra
2002FordEscape3.0LV6N/AThunderCore-Ultra
2002MazdaTribute3.0LV6N/AThunderCore-Ultra
2002MercurySable3.0LV6N/AThunderCore-Ultra
2001FordEscape3.0LV6N/AThunderCore-Ultra
2001MazdaTribute3.0LV6N/AThunderCore-Ultra
2001MercurySable3.0LV6GASN/AThunderCore-Ultra
2001MercurySable3.0LV6N/AThunderCore-Ultra
2000FordTaurus3.0LV6N/AThunderCore-Ultra
2000MercurySable3.0LV6N/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.