Walker
ThunderCore PRO

Walker 924-1623 Spark Plug Wire Set

Brand Walker 89LLB2
Amperage Rating 0.58
Bulb Base Type BA15s
Bulb Color Clear
Bulb Finish Clear
Bulb Material Glass
Bulb Technology Incandescent
Bulb Type LongerLife Mini Bulb
DOT Approved No
Diameter 0.75
Filament Quantity 1
Filament Type C-2R
Length 1.44
Voltage 13
Wattage 7.5
Product line ThunderCore PRO
Fits —5 vehicles

OEM-spec build. Meets or exceeds original equipment specifications and test requirements.

Premium components. Made with hi-temp silicone boots and tips plus stainless steel terminals.

ISO 9001 facility. Precision manufactured in the USA for consistent quality control.

Cross-references AMS Automotive 4182, Anchor 9143 and Anchor 9281 for the same application. See all 20.

$31.68Free 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 $31.68
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Walker ThunderCore PRO Ignition Wire Set

Walker ThunderCore PRO spark plug wire set 924-1623 is built for precise ignition performance and OE-style fitment on select Mazda Protege models. It is engineered for 1999-2003 Mazda Protege applications with the correct fitment notes for this platform, including 2 lead set and 2 COP boots required configurations.

Key Features

  • Precision manufactured in an ISO9001 certified facility in the USA
  • Meets or exceeds OEM specifications and test requirements
  • Hi-temp OE-quality silicone boots and tips
  • Stainless steel terminals and tubes
  • Includes dielectric grease packet
  • Walker ThunderCore PRO line for ignition wire replacement

Product Details

The Walker ThunderCore PRO line focuses on dependable ignition transfer with materials selected for heat resistance and electrical integrity. Part number 924-1623 uses silicone boots and tips, stainless steel terminals, and tubes to support consistent spark delivery in the ignition system. For drivers searching for a Mazda Protege spark plug wire set or a 1999-2003 Mazda Protege ignition wire replacement, this part is built around the original application requirements and OE-style specifications.

This part cross-references DENSO Auto Parts 671-4256 for the same application.

Common Issues This Part Addresses

  • Misfires caused by worn or heat-damaged ignition wires
  • Hard starting related to weak spark transfer
  • Rough idle from deteriorated wire insulation or terminals
  • Ignition performance loss from cracked boots or corrosion
  • Electrical leakage at the plug or coil connection points

Installation Notes and Tips

Before installation, compare the routing and terminal style to the original Mazda Protege wire set. Clean the connection points, apply the supplied dielectric grease where specified, and route the wires away from hot or moving components. Verify that the 1999-2003 Mazda Protege application matches your engine configuration and the notes listed for 2 lead set and 2 COP boots required.

Quality Assurance

Walker manufactures the ThunderCore PRO line to meet or exceed OEM specifications and test requirements. The part is produced in an ISO9001 certified facility in the USA and backed by Walker’s manufacturing, product management, and engineering expertise.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2003MazdaProtege1.6LL4GASN/A2 Lead Set, 2 COP Boots Req'd; ThunderCore PRO
2002MazdaProtege1.6LL4GASN/A2 Lead Set, 2 COP Boots Req'd; ThunderCore PRO
2001MazdaProtege1.6LL4GASN/A2 Lead Set, 2 COP Boots Req'd; ThunderCore PRO
2000MazdaProtege1.6LL4GASN/A2 Lead Set, 2 COP Boots Req'd; ThunderCore PRO
1999MazdaProtege1.6LL4GASN/A2 Lead Set, 2 COP Boots Req'd; ThunderCore PRO
Directly replaces or cross-references 20 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AMS Automotive — 4182Anchor — 9143Anchor — 9281Anchor — 9663Anchor — 9810AP Exhaust — 700109BENDIX PREMIUM BRAKE SHOES — 729DENSO Auto Parts — 671-4256Federal Parts — 4883Gates — 23237Global Parts Distributors LLC — 4448PRENCO — 35-570802X149835-4409175-612841995419184052CH76169ZE53