HomeIgnition > Ignition CoilWalker 900-P2025-8 Coil Boot Kit
Part #: 900-P2025-8

Walker 900-P2025-8 Coil Boot Kit

ThunderCore-Ultra
6 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$189.01Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
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: Audi, A8 and A8 Quattro
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 Kit

The Walker ThunderCore-Ultra Coil Boot Kit 900-P2025-8 is designed specifically for Audi A8 and A8 Quattro models. This ignition coil boot kit ensures reliable electrical connection and optimal ignition performance for your vehicle's engine management system.

  • Compatible with Audi A8 and A8 Quattro models
  • Part number 900-P2025-8 for precise identification
  • Includes coil boots engineered for secure spark plug connection
  • Part of the Walker ThunderCore-Ultra product line
  • Designed to maintain ignition system integrity and performance

About the Walker ThunderCore-Ultra Product Line

The ThunderCore-Ultra line by Walker focuses on ignition components that provide consistent electrical conductivity and durability. This product line is tailored to meet the demands of modern ignition systems, offering coil boots and related parts that support efficient spark delivery and engine operation. The 900-P2025-8 coil boot kit is part of this line, ensuring compatibility and quality for Audi ignition systems.

Product Description and Application

The Walker 900-P2025-8 coil boot kit is engineered to replace worn or damaged coil boots on Audi A8 and A8 Quattro vehicles. Coil boots serve as the insulating connection between the ignition coil and spark plug, preventing electrical leakage and ensuring proper spark transmission. This kit helps maintain engine performance by securing the ignition coil's connection and protecting it from heat and contaminants.

Common Issues Addressed by This Coil Boot Kit

  • Misfires caused by poor coil-to-plug connection
  • Engine hesitation or rough idling due to ignition faults
  • Electrical arcing or spark leakage from damaged boots
  • Reduced fuel efficiency linked to ignition system problems
  • Difficulty starting the engine related to ignition coil issues

Installation Notes and Tips

  • Ensure the ignition system is cool before 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 inside the new boots to improve conductivity and ease installation
  • Verify secure fitment of the coil boots to prevent future ignition issues

Quality Assurance and Warranty

Walker ignition components, including the ThunderCore-Ultra coil boot kit 900-P2025-8, are manufactured to meet industry standards for durability and performance. While specific warranty details are not provided here, Walker products typically come with a limited warranty against defects in materials and workmanship. Refer to the product packaging or manufacturer documentation for exact warranty terms.

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1999AudiA83.7LV8N/AThunderCore-Ultra
1999AudiA8 Quattro4.2LV8N/AThunderCore-Ultra
1998AudiA83.7LV8N/AThunderCore-Ultra
1998AudiA8 Quattro4.2LV8N/AThunderCore-Ultra
1997AudiA83.7LV8N/AThunderCore-Ultra
1997AudiA8 Quattro4.2LV8N/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.