HomeIgnition > Hardware, Fasteners and FittingsWalker 900-P2090 Coil Boot
Part #: 900-P2090

Walker 900-P2090 Coil Boot

ThunderCore-Ultra
11 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: Kia and Hyundai, Optima, Rondo, and Santa Fe
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Coil Boot Replacement for Hyundai and Kia Vehicles

The Walker ThunderCore-Ultra Coil Boot 900-P2090 is designed to provide a secure and durable connection in the ignition system of select Hyundai and Kia models. This coil boot ensures consistent performance and helps maintain engine efficiency in vehicles like the Hyundai Optima, Rondo, and Santa Fe.

Key Features of Walker ThunderCore-Ultra Coil Boot 900-P2090

  • Compatible with Hyundai Optima, Rondo, and Santa Fe models
  • Part number 900-P2090 for precise identification and fitment
  • Constructed to maintain reliable ignition coil connection
  • Designed to withstand high temperatures and engine vibrations
  • Part of the ThunderCore-Ultra product line for enhanced ignition system components

About the 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 consistent electrical performance, making it suitable for critical ignition components like coil boots. The 900-P2090 coil boot benefits from this focus, providing a dependable interface between the ignition coil and spark plug in Hyundai and Kia vehicles.

Product Description and Application

The Walker ThunderCore-Ultra Coil Boot 900-P2090 is engineered to replace worn or damaged coil boots in specific Hyundai and Kia models. It ensures a tight seal and proper electrical insulation, which are essential for optimal ignition system function. This coil boot is compatible with Hyundai Optima, Rondo, and Santa Fe vehicles, providing a direct fit that supports engine performance and reliability.

Common Issues Addressed by Coil Boot Replacement

  • Misfires caused by poor ignition coil connection
  • Engine hesitation or rough idling due to faulty coil boots
  • Electrical arcing or shorts in the ignition system
  • Reduced fuel efficiency linked to ignition problems
  • Difficulty starting the engine related to ignition coil issues

Installation Notes and Tips

  • Ensure the engine is cool before beginning installation
  • Disconnect the battery to prevent electrical shorts
  • Carefully remove the old coil boot without damaging the ignition coil or spark plug
  • Verify the part number 900-P2090 matches the replacement component
  • Apply dielectric grease to the inside of the coil boot for improved electrical contact and easier future removal

Quality Assurance and Warranty Information

Walker manufactures the ThunderCore-Ultra Coil Boot 900-P2090 to meet industry standards for ignition system components. While specific warranty details may vary, Walker products typically come with a limited warranty against defects in materials and workmanship. This coil boot is tested to ensure reliable performance in Hyundai and Kia vehicles, supporting long-term engine operation.

This part fits 11 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2010KiaOptima2.7LV6N/Awith Wire Set; 3 Required; ThunderCore-Ultra
2010KiaRondo2.7LV6N/AThunderCore-Ultra
2009HyundaiSanta Fe2.7LV6N/AThunderCore-Ultra
2009KiaOptima2.7LV6N/Awith Wire Set; 3 Required; ThunderCore-Ultra
2009KiaRondo2.7LV6N/AThunderCore-Ultra
2008HyundaiSanta Fe2.7LV6N/AThunderCore-Ultra
2008KiaOptima2.7LV6N/Awith Wire Set; 3 Required; ThunderCore-Ultra
2008KiaRondo2.7LV6N/AThunderCore-Ultra
2007HyundaiSanta Fe2.7LV6N/AThunderCore-Ultra
2007KiaOptima2.7LV6N/Awith Wire Set; 3 Required; From 9/2006; ThunderCore-Ultra
2007KiaRondo2.7LV6N/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.