ThunderSpark ThunderSpark 921-2004 Ignition Coil 921-2004

An induction coil, used with a distributor for timing, to transform a vehicles battery voltage to a much higher voltage needed to create proper spark for all spark plugs of an engine. (921-2004) by ThunderSpark

Walker Products began supplying the fuel system needs of the automotive industry in 1946. Today Walker is one of the largest, privately owned manufacturers of fuel system components and engine sensors, and has served the needs of the worldwide automotive aftermarket. We are committed to supplying products manufactured to meet or exceed OEM standards and specifications. This effort is backed by our own manufacturing, product management and engineering staff to ensure it is maintained and accurate in the production of quality parts, vehicle applications, instruction sheets and technical support. Our products include Carburetor and Fuel Injection Repair Kits, Oxygen Sensors and other Engine Management products such as Throttle Position Sensors, Cam and Crankshaft Sensors, Fuel Injectors, Spark Plug Wires and Gaskets. As an ISO 9001/IATF16949 certified company, we are committed to supplying the highest quality products. © 2023 Walker Products Inc. All rights reserved.

Effortless Installation: Designed for easy and hassle-free installation, these coils minimize vehicle downtime during replacement, keeping your vehicle on the road.

Package: A full service kit contains not only the base sensor, but also provides the installer with the mating connector, pigtail, butt splices, and heatshrink to ensure a watertight connection.

Vehicle Fitments: