HomeIgnition > Hardware, Fasteners and FittingsWalker 900-P2038 Coil Boot
Part #: 900-P2038

Walker 900-P2038 Coil Boot

ThunderCore-Ultra
41 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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OE Direct Replacement — Bolt-on fit, no modifications needed
ThunderCore-Ultra
Fitment: Isuzu, Chevrolet, GMC, Hummer, and Buick, i-290, i-370, Colorado, Canyon, H3, i-280, i-350, Rainier, Trailblazer, Trailblazer EXT, Envoy, Envoy XL, Envoy XUV, and Ascender
Easy Returns — Return within 60 days for a full refund
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Overview of Walker ThunderCore-Ultra Coil Boot 900-P2038

The Walker ThunderCore-Ultra Coil Boot 900-P2038 is designed for reliable ignition performance in select GM and Isuzu vehicles. This coil boot ensures a secure connection between the ignition coil and spark plug, helping maintain consistent engine operation in models like the Chevrolet Colorado and GMC Canyon.

  • Compatible with Buick, Chevrolet, GMC, Hummer, and Isuzu vehicles
  • Fits models including Ascender, Canyon, Colorado, Envoy series, H3, i-280, i-290, i-350, i-370, Rainier, Trailblazer, and Trailblazer EXT
  • Part number 900-P2038 for precise identification
  • Part of the Walker ThunderCore-Ultra product line
  • Designed for ignition hardware, fasteners, and fittings applications

About the Walker ThunderCore-Ultra Product Line

The ThunderCore-Ultra line by Walker focuses on ignition system components engineered to meet specific OEM fitment requirements. This product line emphasizes durability and compatibility, providing coil boots that maintain proper electrical insulation and connection integrity. The 900-P2038 coil boot is part of this line, ensuring it meets the standards expected for ignition hardware in various GM and Isuzu models.

Detailed Product Description

The Walker ThunderCore-Ultra Coil Boot 900-P2038 serves as a critical component in the ignition system, connecting the ignition coil to the spark plug. This connection is essential for delivering the high voltage needed to ignite the air-fuel mixture in the engine cylinders. Compatible with a range of vehicles including the Buick Rainier, Chevrolet Trailblazer EXT, and Isuzu i-370, this coil boot is designed to fit precisely and maintain a secure seal to prevent misfires and electrical leakage.

Common Applications and Issues Addressed

  • Prevents ignition misfires caused by faulty coil-to-plug connections
  • Reduces electrical arcing and potential damage to ignition components
  • Helps maintain consistent engine performance and fuel efficiency
  • Addresses issues related to worn or cracked coil boots in Buick, Chevrolet, GMC, Hummer, and Isuzu vehicles
  • Supports reliable ignition in models such as the Envoy XL and Trailblazer

Installation Notes and Tips

  • Ensure the engine is cool before installation to avoid burns or damage
  • Verify compatibility with your specific make and model using the part number 900-P2038
  • Inspect the ignition coil and spark plug terminals for corrosion or damage before installing the coil boot
  • Apply dielectric grease inside the boot to improve electrical conductivity and ease future removal
  • Securely seat the coil boot to prevent moisture intrusion and maintain a tight connection

Quality Assurance and Warranty

Walker manufactures the ThunderCore-Ultra coil boots to meet industry standards for ignition hardware. While specific warranty details for part number 900-P2038 should be confirmed at the point of purchase, Walker products typically undergo rigorous quality control to ensure durability and fitment accuracy. This coil boot is engineered to provide consistent performance in the compatible Buick, Chevrolet, GMC, Hummer, and Isuzu models listed.

This part fits 41 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2008Isuzui-2902.9LL4N/AThunderCore-Ultra
2007Isuzui-2902.9LL4N/AThunderCore-Ultra
2007Isuzui-3703.7LL5N/AThunderCore-Ultra
2006ChevroletColorado3.5LL5N/AThunderCore-Ultra
2006ChevroletColorado2.8LL4N/AThunderCore-Ultra
2006GMCCanyon3.5LL5N/AThunderCore-Ultra
2006GMCCanyon2.8LL4N/AThunderCore-Ultra
2006HummerH33.5LL5N/AThunderCore-Ultra
2006Isuzui-2802.8LL4N/AThunderCore-Ultra
2006Isuzui-3503.5LL5N/AThunderCore-Ultra
2005BuickRainier4.2LL6N/AThunderCore-Ultra
2005ChevroletColorado3.5LL5N/AThunderCore-Ultra
2005ChevroletColorado2.8LL4N/AThunderCore-Ultra
2005ChevroletTrailblazer4.2LL6N/AThunderCore-Ultra
2005ChevroletTrailblazer EXT4.2LL6N/AThunderCore-Ultra
2005GMCCanyon3.5LL5N/AThunderCore-Ultra
2005GMCCanyon2.8LL4N/AThunderCore-Ultra
2005GMCEnvoy4.2LL6N/AThunderCore-Ultra
2005GMCEnvoy XL4.2LL6N/AThunderCore-Ultra
2005GMCEnvoy XUV4.2LL6N/AThunderCore-Ultra
2005IsuzuAscender4.2LL6N/AThunderCore-Ultra
2004BuickRainier4.2LL6N/AThunderCore-Ultra
2004ChevroletColorado3.5LL5N/AThunderCore-Ultra
2004ChevroletColorado2.8LL4N/AThunderCore-Ultra
2004ChevroletTrailblazer4.2LL6N/AThunderCore-Ultra
2004ChevroletTrailblazer EXT4.2LL6N/AThunderCore-Ultra
2004GMCCanyon3.5LL5N/AThunderCore-Ultra
2004GMCCanyon2.8LL4N/AThunderCore-Ultra
2004GMCEnvoy4.2LL6N/AThunderCore-Ultra
2004GMCEnvoy XL4.2LL6N/AThunderCore-Ultra
2004GMCEnvoy XUV4.2LL6N/AThunderCore-Ultra
2004IsuzuAscender4.2LL6N/AThunderCore-Ultra
2003ChevroletTrailblazer4.2LL6N/AThunderCore-Ultra
2003ChevroletTrailblazer EXT4.2LL6N/AThunderCore-Ultra
2003GMCEnvoy4.2LL6N/AThunderCore-Ultra
2003GMCEnvoy XL4.2LL6N/AThunderCore-Ultra
2003IsuzuAscender4.2LL6N/AThunderCore-Ultra
2002ChevroletTrailblazer4.2LL6N/AThunderCore-Ultra
2002ChevroletTrailblazer EXT4.2LL6N/AThunderCore-Ultra
2002GMCEnvoy4.2LL6N/AThunderCore-Ultra
2002GMCEnvoy XL4.2LL6N/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.