Walker
ThunderCore-Ultra

Walker 900-P2023 Coil Boot

Brand Walker 900-P2023
Product line ThunderCore-Ultra
Fits Mazda · 13 vehicles

ThunderCore-Ultra line. Performance-focused coil boot from Walker.

Ignition hardware. Built for secure coil boot replacement.

$20.92Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $20.92
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Walker ThunderCore-Ultra Coil Boot for Mazda

Walker ThunderCore-Ultra coil boot part number 900-P2023 is a direct ignition hardware replacement for select Mazda applications. It is listed for the Mazda Protege, Mazda Protege5, and Mazda Millenia, giving buyers a fitment-specific option for service work on these vehicles.

Key Features

  • Coil boot for ignition hardware service
  • Walker ThunderCore-Ultra product line
  • Fits 2001-2003 Mazda Protege, N/A
  • Fits 2002-2003 Mazda Protege5, N/A
  • Fits 1995-2002 Mazda Millenia, N/A
  • Part number 900-P2023 for catalog matching

ThunderCore-Ultra Product Line

Walker ThunderCore-Ultra identifies the specific product line within Walker ignition hardware. For buyers searching by application, 900-P2023 is the ThunderCore-Ultra coil boot listed for Mazda Protege, Mazda Protege5, and Mazda Millenia fitments.

Application Details

Compatible With 2001-2003 Mazda Protege, N/A; 2002-2003 Mazda Protege5, N/A; and 1995-2002 Mazda Millenia, N/A. Use this part number 900-P2023 when matching the ignition service component to the correct Mazda application.

Common Issues It May Address

  • Cracked or worn coil boot material
  • Misfire concerns related to ignition boot deterioration
  • Moisture intrusion at the coil-to-plug connection
  • Intermittent ignition performance from aged hardware
  • Service replacement for a damaged Mazda ignition boot

Installation Notes and Tips

Verify the vehicle year, make, and model against the listed fitment before installation. Confirm the ignition component location and compare the removed boot to Walker 900-P2023 to ensure the correct application for your Mazda Protege, Protege5, or Millenia.

Quality Assurance

Walker identifies this part as ThunderCore-Ultra ignition hardware for the listed Mazda applications. Use the catalog fitment and part number 900-P2023 to confirm application accuracy before service.

This part fits 13 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2003MazdaProtege2.0LL4N/AThunderCore-Ultra
2003MazdaProtege52.0LL4N/AThunderCore-Ultra
2002MazdaMillenia2.3LV6N/AThunderCore-Ultra
2002MazdaProtege2.0LL4N/AThunderCore-Ultra
2002MazdaProtege52.0LL4N/AThunderCore-Ultra
2001MazdaMillenia2.3LV6N/AThunderCore-Ultra
2001MazdaProtege2.0LL4N/AThunderCore-Ultra
2000MazdaMillenia2.3LV6N/AThunderCore-Ultra
1999MazdaMillenia2.3LV6N/AThunderCore-Ultra
1998MazdaMillenia2.3LV6N/AThunderCore-Ultra
1997MazdaMillenia2.3LV6N/AThunderCore-Ultra
1996MazdaMillenia2.3LV6N/AThunderCore-Ultra
1995MazdaMillenia2.3LV6N/AThunderCore-Ultra