HomeIgnition > Hardware, Fasteners and FittingsWalker 900-P2004 Coil Boot
Part #: 900-P2004

Walker 900-P2004 Coil Boot

ThunderCore-Ultra
⚙️ 26 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$19.18Free 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: Toyota, Tacoma, Tundra, 4Runner, and T100
🔄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-P2004

The Walker ThunderCore-Ultra Coil Boot 900-P2004 is designed for reliable ignition performance in select Toyota vehicles. This coil boot is engineered to maintain a secure connection between the ignition coil and spark plug, ensuring consistent engine operation for Toyota 4Runner, T100, Tacoma, and Tundra models.

  • Compatible with Toyota 4Runner, T100, Tacoma, and Tundra
  • Part number 900-P2004 for precise identification
  • Part of the Walker ThunderCore-Ultra product line
  • Ensures proper ignition coil to spark plug connection
  • Durable construction for long-lasting performance

Detailed Product Description

The Walker ThunderCore-Ultra coil boot 900-P2004 is a critical ignition component designed to fit specific Toyota models including the 4Runner, T100, Tacoma, and Tundra. This coil boot provides a secure and insulated connection between the ignition coil and spark plug, which is essential for efficient spark delivery and engine performance. The ThunderCore-Ultra line focuses on delivering reliable ignition hardware that meets OEM specifications, ensuring compatibility and durability under typical operating conditions. Using the correct coil boot like the 900-P2004 helps maintain ignition system integrity and prevents misfires caused by poor electrical connections.

Common Applications and Issues Addressed

  • Prevents ignition misfires due to faulty coil boot connections
  • Reduces risk of moisture intrusion affecting ignition performance
  • Maintains consistent spark delivery for Toyota 4Runner, T100, Tacoma, and Tundra
  • Replaces worn or damaged coil boots to restore engine reliability
  • Helps avoid rough idling and engine hesitation linked to ignition faults

Installation Notes and Tips

  • Ensure engine is cool before removing the old coil boot
  • Disconnect battery to prevent electrical shorts during installation
  • Carefully remove the old coil boot without damaging the ignition coil or spark plug
  • Install the Walker ThunderCore-Ultra coil boot 900-P2004 firmly to ensure a tight seal
  • Verify proper fitment on Toyota 4Runner, T100, Tacoma, or Tundra before final assembly

Quality Assurance and Warranty

Walker manufactures the ThunderCore-Ultra coil boot 900-P2004 to meet industry standards for ignition hardware. While specific warranty details are not provided, Walker products typically undergo rigorous quality control to ensure durability and performance. Using this coil boot helps maintain the integrity of the ignition system in compatible Toyota vehicles.

This part fits 26 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2004ToyotaTacoma3.4LV6N/Awith Wire Set; 3 Required; ThunderCore-Ultra
2004ToyotaTundra3.4LV6N/Awith Wire Set; 3 Required; ThunderCore-Ultra
2003ToyotaTacoma3.4LV6N/Awith Wire Set; 3 Required; ThunderCore-Ultra
2003ToyotaTundra3.4LV6N/Awith Wire Set; 3 Required; ThunderCore-Ultra
2002Toyota4Runner3.4LV6N/Awith Wire Set; 3 Required; ThunderCore-Ultra
2002ToyotaTacoma3.4LV6N/Awith Wire Set; 3 Required; ThunderCore-Ultra
2002ToyotaTundra3.4LV6N/Awith Wire Set; 3 Required; ThunderCore-Ultra
2001Toyota4Runner3.4LV6N/Awith Wire Set; 3 Required; ThunderCore-Ultra
2001ToyotaTacoma3.4LV6N/Awith Wire Set; 3 Required; ThunderCore-Ultra
2001ToyotaTundra3.4LV6N/Awith Wire Set; 3 Required; ThunderCore-Ultra
2000Toyota4Runner3.4LV6N/Awith Wire Set; 3 Required; ThunderCore-Ultra
2000ToyotaTacoma3.4LV6N/Awith Wire Set; 3 Required; ThunderCore-Ultra
2000ToyotaTundra3.4LV6N/Awith Wire Set; 3 Required; ThunderCore-Ultra
1999Toyota4Runner3.4LV6N/Awith Wire Set; 3 Required; ThunderCore-Ultra
1999ToyotaTacoma3.4LV6N/Awith Wire Set; 3 Required; ThunderCore-Ultra
1998Toyota4Runner3.4LV6N/Awith Wire Set; 3 Required; ThunderCore-Ultra
1998ToyotaT1003.4LV6N/Awith Wire Set; 3 Required; ThunderCore-Ultra
1998ToyotaTacoma3.4LV6N/Awith Wire Set; 3 Required; ThunderCore-Ultra
1997Toyota4Runner3.4LV6N/Awith Wire Set; 3 Required; ThunderCore-Ultra
1997ToyotaT1003.4LV6N/Awith Wire Set; 3 Required; ThunderCore-Ultra
1997ToyotaTacoma3.4LV6N/Awith Wire Set; 3 Required; ThunderCore-Ultra
1996Toyota4Runner3.4LV6N/Awith Wire Set; 3 Required; ThunderCore-Ultra
1996ToyotaT1003.4LV6N/Awith Wire Set; 3 Required; ThunderCore-Ultra
1996ToyotaTacoma3.4LV6N/Awith Wire Set; 3 Required; ThunderCore-Ultra
1995ToyotaT1003.4LV6N/Awith Wire Set; 3 Required; ThunderCore-Ultra
1995ToyotaTacoma3.4LV6N/Awith Wire Set; 3 Required; 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.