ThunderSpark ThunderSpark 921-2003 Ignition Coil 921-2003

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. (921-2003) 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.

ThunderSpark Ignition Coils are precision made for superior performance and manufactured to meet or exceed all original equipment specifications.

Fits: Buick Rainier 2005-2004, Chevrolet Colorado 2006-2004, Trailblazer 2005-2002, Trailblazer EXT 2005-2002, GMC Canyon 2006-2004, Envoy 2005-2002, Envoy XL 2005-2002, Envoy XUV 2005-2004, Hummer H3 2006, Isuzu Ascender 2005-2003, Ascender 2008, i-280 2006, i-290 2008-2007, i-350 2006, i-370 2007, Oldsmobile Bravada 2004-2002, Saab 9-7x 2005

Vehicle Fitments: