HomeIgnition > Hardware, Fasteners and FittingsWalker 900-P2109 Coil Boot
Part #: 900-P2109

Walker 900-P2109 Coil Boot

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
$17.43Free 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: Suzuki, Kizashi, SX4, and Grand Vitara
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-P2109

The Walker ThunderCore-Ultra Coil Boot 900-P2109 is designed specifically for Suzuki Grand Vitara and SX4 models. This coil boot ensures reliable ignition system performance by providing a secure connection between the ignition coil and spark plug.

  • Compatible with Suzuki Grand Vitara and SX4 vehicles
  • Part number 900-P2109 for precise identification
  • Part of the Walker ThunderCore-Ultra product line
  • Durable construction for consistent ignition performance
  • Designed to maintain proper electrical insulation and fitment

About the Walker ThunderCore-Ultra Product Line

The ThunderCore-Ultra line by Walker focuses on ignition hardware components engineered to meet the demands of modern vehicles. This product line emphasizes durability and fitment accuracy, ensuring that parts like the 900-P2109 coil boot provide stable electrical connections and resist wear over time. The ThunderCore-Ultra coil boots are developed to maintain ignition system integrity under various operating conditions.

Detailed Product Description

The Walker 900-P2109 coil boot is an essential ignition component designed to fit Suzuki Grand Vitara and SX4 models. It serves as the insulating connector between the ignition coil and spark plug, preventing electrical arcing and ensuring efficient spark delivery. Proper fitment is critical for maintaining engine performance and preventing misfires. This coil boot is manufactured to meet OEM specifications, providing a reliable replacement part for ignition system maintenance or repair.

Common Applications and Issues Addressed

  • Prevents ignition misfires caused by damaged or worn coil boots
  • Eliminates electrical arcing and spark leakage
  • Restores proper spark plug connection in Suzuki Grand Vitara and SX4
  • Helps maintain engine performance and fuel efficiency
  • Reduces risk of ignition coil damage due to poor insulation

Installation Notes and Tips

  • Ensure the ignition system is cool before installation to avoid burns
  • Verify compatibility with Suzuki Grand Vitara or SX4 before replacing
  • Inspect the ignition coil and spark plug terminals for corrosion or damage
  • Apply dielectric grease to the inside of the coil boot for improved electrical contact and easier removal
  • Securely seat the coil boot to prevent loose connections

Quality Assurance and Warranty

Walker manufactures the 900-P2109 coil boot under strict quality control standards to ensure durability and fitment accuracy. While specific warranty details are not provided, Walker products typically meet or exceed OEM requirements, offering dependable performance for Suzuki Grand Vitara and SX4 ignition systems.

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2012SuzukiSX42.0LL4N/AThunderCore-Ultra
2011SuzukiGrand Vitara2.4LL4N/AThunderCore-Ultra
2011SuzukiSX42.0LL4N/AThunderCore-Ultra
2010SuzukiGrand Vitara2.4LL4N/AThunderCore-Ultra
2010SuzukiSX42.0LL4N/AThunderCore-Ultra
2009SuzukiGrand Vitara2.4LL4N/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.