HomeIgnition > Hardware, Fasteners and FittingsWalker 900-P2039 Coil Boot
Part #: 900-P2039

Walker 900-P2039 Coil Boot

ThunderCore-Ultra
⚙️ 15 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: Subaru, Legacy, Outback, Tribeca, and B9 Tribeca
🔄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-P2039

The Walker ThunderCore-Ultra Coil Boot 900-P2039 is designed for reliable ignition performance in select Subaru vehicles. This coil boot is engineered to maintain a secure connection between the ignition coil and spark plug, ensuring consistent engine operation for models like the Subaru B9 Tribeca, Legacy, Outback, and Tribeca.

  • Compatible with Subaru B9 Tribeca, Legacy, Outback, and Tribeca models
  • Part number 900-P2039 for precise identification
  • Part of the Walker ThunderCore-Ultra product line
  • Designed for ignition hardware applications
  • Durable construction to withstand engine conditions

About the Walker ThunderCore-Ultra Product Line

The ThunderCore-Ultra line by Walker focuses on ignition hardware components that provide dependable electrical insulation and connection integrity. This product line is tailored to meet the specific requirements of ignition systems, offering coil boots that maintain optimal spark delivery and reduce misfires. The 900-P2039 coil boot is a component within this line, engineered to fit Subaru ignition systems accurately.

Product Description and Application

The Walker 900-P2039 coil boot serves as a critical interface between the ignition coil and spark plug in Subaru vehicles such as the B9 Tribeca, Legacy, Outback, and Tribeca. It ensures a secure electrical connection and protects against moisture, dirt, and heat exposure. This coil boot helps maintain ignition system efficiency by preventing voltage leaks and ensuring consistent spark transmission.

Common Issues Addressed by the Coil Boot 900-P2039

  • Ignition misfires caused by poor coil-to-plug connection
  • Voltage leakage due to damaged or worn coil boots
  • Engine performance issues related to inconsistent spark delivery
  • Moisture intrusion leading to ignition system faults
  • Wear and tear from heat and vibration in the engine bay

Installation Notes and Tips

  • Ensure the ignition system is cool before installation to avoid burns
  • Verify compatibility with Subaru B9 Tribeca, Legacy, Outback, and Tribeca models
  • Inspect the ignition coil and spark plug terminals for corrosion before fitting the coil boot
  • Apply dielectric grease to the inside of the coil boot to improve electrical contact and ease installation
  • Securely seat the coil boot to prevent disconnection during engine operation

Quality Assurance and Warranty

Walker manufactures the ThunderCore-Ultra coil boots to meet industry standards for ignition components. While specific warranty details for part number 900-P2039 are not provided, Walker products typically undergo rigorous quality control to ensure durability and performance in automotive ignition systems.

This part fits 15 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2009SubaruLegacy3.0LH6N/AThunderCore-Ultra
2009SubaruOutback3.0LH6N/AThunderCore-Ultra
2009SubaruTribeca3.6LH6N/AThunderCore-Ultra
2008SubaruLegacy3.0LH6N/AThunderCore-Ultra
2008SubaruOutback3.0LH6N/AThunderCore-Ultra
2008SubaruTribeca3.6LH6N/AThunderCore-Ultra
2007SubaruB9 Tribeca3.0LH6N/AThunderCore-Ultra
2007SubaruOutback3.0LH6N/AThunderCore-Ultra
2006SubaruB9 Tribeca3.0LH6N/AThunderCore-Ultra
2006SubaruOutback3.0LH6N/AThunderCore-Ultra
2005SubaruOutback3.0LH6N/AThunderCore-Ultra
2004SubaruOutback3.0LH6N/AThunderCore-Ultra
2003SubaruOutback3.0LH6N/AThunderCore-Ultra
2002SubaruOutback3.0LH6N/AThunderCore-Ultra
2001SubaruOutback3.0LH6N/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.