HomeIgnition > Hardware, Fasteners and FittingsWalker 900-P2091 Coil Boot
Part #: 900-P2091

Walker 900-P2091 Coil Boot

ThunderCore-Ultra
⚙️ 14 vehicles fit this part
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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: Nissan and INFINITI, March, Tiida, Versa, Versa Note, FX50, and M56
🔄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-P2091

The Walker ThunderCore-Ultra Coil Boot 900-P2091 is designed for reliable ignition performance in select INFINITI and Nissan vehicles. This coil boot ensures a secure connection between the ignition coil and spark plug, helping maintain consistent engine operation.

  • Compatible with INFINITI FX50 and Nissan M56, Versa, Versa Note models
  • Part number 900-P2091 for precise fitment
  • Constructed to provide durable insulation and protection
  • Part of the Walker ThunderCore-Ultra product line
  • Designed to maintain optimal ignition coil to spark plug connection

About the Walker ThunderCore-Ultra Product Line

The ThunderCore-Ultra line by Walker focuses on ignition hardware components engineered for durability and reliable electrical performance. This product line includes coil boots that are manufactured to meet or exceed OEM specifications, ensuring proper fit and function in compatible vehicles. The 900-P2091 coil boot benefits from this focus, providing a dependable ignition connection for INFINITI and Nissan models.

Product Description and Application

The Walker 900-P2091 coil boot is an essential ignition component that connects the ignition coil to the spark plug, facilitating the transfer of high voltage necessary for spark generation. This coil boot is specifically designed for use in INFINITI FX50 and Nissan M56, Versa, and Versa Note vehicles, ensuring a precise fit and reliable performance. Its construction helps protect against electrical arcing and environmental contaminants, contributing to consistent engine ignition and operation.

Common Issues Addressed by This Coil Boot

  • Misfires caused by poor ignition coil to spark plug connection
  • Electrical arcing leading to ignition system faults
  • Engine performance issues related to ignition coil boot degradation
  • Intermittent starting problems due to faulty coil boots
  • Reduced fuel efficiency linked to ignition system inconsistencies

Installation Notes and Tips

  • Ensure the engine is cool before beginning installation
  • Disconnect the battery to prevent electrical shock
  • Remove the old coil boot carefully to avoid damaging the ignition coil or spark plug
  • Verify the part number 900-P2091 matches the vehicle requirements before installation
  • Apply dielectric grease to the inside of the coil boot to improve electrical conductivity and ease future removal

Quality Assurance and Warranty

Walker manufactures the ThunderCore-Ultra coil boots to meet stringent quality standards, ensuring durability and reliable ignition performance. While specific warranty details for part number 900-P2091 should be confirmed with the supplier or manufacturer, Walker products typically come with a limited warranty covering defects in materials and workmanship.

This part fits 14 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2017NissanVersa1.6LL4N/AThunderCore-Ultra
2017NissanVersa Note1.6LL4N/AThunderCore-Ultra
2016NissanVersa1.6LL4N/AThunderCore-Ultra
2015NissanVersa1.6LL4N/AThunderCore-Ultra
2015NissanVersa Note1.6LL4N/AThunderCore-Ultra
2014NissanVersa Note1.6LL4N/AThunderCore-Ultra
2013INFINITIFX505.0LV8N/ACylinders 3 through 8; ThunderCore-Ultra
2013INFINITIM565.6LV8N/ACylinders 3 through 8; ThunderCore-Ultra
2012INFINITIFX505.0LV8N/ACylinders 3 through 8; ThunderCore-Ultra
2012INFINITIM565.6LV8N/ACylinders 3 through 8; ThunderCore-Ultra
2011INFINITIFX505.0LV8N/ACylinders 3 through 8; ThunderCore-Ultra
2011INFINITIM565.6LV8N/ACylinders 3 through 8; ThunderCore-Ultra
2010INFINITIFX505.0LV8N/ACylinders 3 through 8; ThunderCore-Ultra
2009INFINITIFX505.0LV8N/ACylinders 3 through 8; ThunderCore-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.