ThunderSpark ThunderSpark 921-2235 Ignition Coil 921-2235
ThunderSpark ThunderSpark 921-2235 Ignition Coil 921-2235
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In-stock orders are processed within 48 hours; transit time is additional.
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Need to return an item? Request authorization within 30 days of delivery for eligible unused, uninstalled items. Exclusions and fees apply.
Wrong part/size or change of mind: a 20% return processing fee applies, plus applicable shipping costs.
Read the full return policyEligibility, fees and return steps
Request return authorization (RMA) within 30 days of delivery for eligible items. Keep items unused and uninstalled, with original packaging and accessories. Electronics, liquids, special orders and other categories are excluded.
Email sales@frsport.com with RETURN and your order number in the subject to request an RMA. Do not send a return without authorization.
Original shipping is non-refundable. For orders shipped free, the actual outbound shipping cost is deducted from the refund. Return shipping is prepaid by the customer.
After payment capture, cancellations and refunds generally incur a 5% processing fee, except for our error, confirmed defects or confirmed carrier loss. The 5% and 20% fees do not stack; only the greater applicable fee applies. Store credit waives the 5% fee, but applicable return fees remain.
Missing, incorrect or transit-damaged items: report within 3 business days of receipt with photos of the product and packaging.
For defective items, contact us for help with the manufacturer's warranty process. The manufacturer decides the claim.
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. (921-2235) 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: Audi A4 2008-2006, A4 Quattro 2009-2006, A5 Quattro 2010-2008, A6 2011-2006, A6 Quattro 2018-2006, A7 Quattro 2018-2012, A8 Quattro 2018-2007, Q5 2017-2010, Q7 2015-2007, Q7 2019-2017, R8 2012-2008, R8 2015-2014, S4 2016-2010, S5 2017-2008, S6 2011-2007, S8 2009-2007, SQ5 2017-2014, Porsche Cayenne 2018-2011, Panamera 2016-2012, Volkswagen Touareg 2009-2007, Touareg 2015-2011
Vehicle Fitments:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2007 - 2008 | Audi | A4 | Cabrio S Line, Cabrio Elite |
| 2006 - 2007 | Audi | A4 | Elite, S Line Sport |
| 2006 | Audi | A4 | Limited Edition, Cabrio, Vangard |
| 2006 - 2008 | Audi | A4 | S Line, Base, Trendy, Luxury, Cabriolet |
| 2008 | Audi | A4 | Trendy Plus |
| 2005 - 2009 | Audi | A4 Quattro | Base, Elite, Cabriolet, Avant |
| 2006 - 2007 | Audi | A4 Quattro | DTM |
| 2005 | Audi | A4 Quattro | Luxury |
| 2005 - 2008 | Audi | A4 Quattro | S Line |
| 2008 | Audi | A4 Quattro | S Line Sport, Trendy |
| 2006 | Audi | A4 Quattro | Vangard |
| 2008 - 2010 | Audi | A5 Quattro | Base |
| 2010 | Audi | A5 Quattro | Cabriolet |
| 2006 - 2011 | Audi | A6 | Luxury, Base, Elite |
| 2007 - 2010 | Audi | A6 | Sport |
| 2006 - 2011 | Audi | A6 Quattro | Avant |
| 2005 - 2014 | Audi | A6 Quattro | Base |
| 2017 | Audi | A6 Quattro | Competition |
| 2005 - 2018 | Audi | A6 Quattro | Elite |
| 2010 - 2013 | Audi | A6 Quattro | Luxury |
| 2012 - 2018 | Audi | A6 Quattro | Prestige, Premium Plus, Premium |
| 2006 - 2018 | Audi | A6 Quattro | S Line |
| 2018 | Audi | A6 Quattro | Sport |
| 2014 | Audi | A6 Quattro | TDI |
| 2014 - 2016 | Audi | A6 Quattro | TDI Prestige, TDI Premium Plus |
| 2015 - 2016 | Audi | A6 Quattro | TDI Technik, TDI Progressiv |
| 2015 - 2018 | Audi | A6 Quattro | Technik, Progressiv |
| 2012 - 2014 | Audi | A7 Quattro | Base, Luxury |
| 2017 | Audi | A7 Quattro | Competition |
| 2012 - 2018 | Audi | A7 Quattro | Elite, S Line |
| 2014 - 2018 | Audi | A7 Quattro | Prestige |
| 2015 - 2018 | Audi | A7 Quattro | Progressiv, Premium Plus, Technik |
| 2014 | Audi | A7 Quattro | TDI |
| 2014 - 2016 | Audi | A7 Quattro | TDI Prestige, TDI Premium Plus |
| 2015 - 2016 | Audi | A7 Quattro | TDI Technik, TDI Progressiv |
| 2004 - 2018 | Audi | A8 Quattro | Base, L |
| 2011 - 2017 | Audi | A8 Quattro | Elite |
| 2005 - 2008 | Audi | A8 Quattro | L Plus |
| 2013 - 2018 | Audi | A8 Quattro | L Premium |
| 2017 - 2018 | Audi | A8 Quattro | L Sport |
| 2014 - 2016 | Audi | A8 Quattro | L TDI |
| 2012 - 2018 | Audi | A8 Quattro | L W12 |
| 2004 - 2009 | Audi | A8 Quattro | Plus |
| 2011 - 2018 | Audi | A8 Quattro | Premium |
| 2016 | Audi | A8 Quattro | TDI |
| 2004 - 2005 | Audi | Allroad Quattro | Base |
| 2014 | Audi | Q5 | 3.0T, 2.0T, TDI, Land of Quattro |
| 2010 - 2013 | Audi | Q5 | Base |
| 2013 - 2016 | Audi | Q5 | Hybrid, Hybrid Prestige |
| 2010 - 2017 | Audi | Q5 | Prestige, Premium Plus, Trendy, Premium, Elite, Luxury |
| 2014 - 2016 | Audi | Q5 | TDI Premium Plus, TDI Prestige |
| 2016 | Audi | Q5 | TDI Prestige S-Line, TDI Technik, TDI Progressiv, TDI Premium Plus S-Line |
| 2015 - 2017 | Audi | Q5 | Technik, Progressiv, Komfort |
| 2010 | Audi | Q7 | 100 Aniversario |
| 2007 - 2015 | Audi | Q7 | Base, Luxury |
| 2007 - 2019 | Audi | Q7 | Elite, Premium |
| 2014 | Audi | Q7 | Land of Quattro |
| 2011 - 2019 | Audi | Q7 | Premium Plus |
| 2015 - 2019 | Audi | Q7 | Progressiv |
| 2010 - 2019 | Audi | Q7 | S Line, Prestige |
| 2009 - 2014 | Audi | Q7 | TDI |
| 2008 - 2010 | Audi | Q7 | TDI Luxury, TDI Elite |
| 2011 - 2015 | Audi | Q7 | TDI Premium Plus, TDI Prestige, Sport, TDI Premium |
| 2015 | Audi | Q7 | TDI Vorsprung, Vorsprung, TDI Progressiv |
| 2017 - 2019 | Audi | Q7 | Technik, Select, Komfort |
| 2008 - 2015 | Audi | R8 | Base |
| 2012 | Audi | R8 | GT Spyder, GT |
| 2014 - 2015 | Audi | R8 | Plus |
| 2011 - 2015 | Audi | R8 | Spyder |
| 2004 - 2008 | Audi | S4 | Avant |
| 2004 - 2016 | Audi | S4 | Base |
| 2004 - 2009 | Audi | S4 | Cabriolet |
| 2014 - 2016 | Audi | S4 | Premium Plus, Prestige |
| 2015 - 2016 | Audi | S4 | Progressiv, Technik |
| 2008 - 2017 | Audi | S5 | Base |
| 2010 - 2013 | Audi | S5 | Cabriolet |
| 2014 - 2016 | Audi | S5 | Prestige, Premium Plus |
| 2015 - 2017 | Audi | S5 | Progressiv, Technik |
| 2007 - 2011 | Audi | S6 | Base |
| 2007 - 2009 | Audi | S8 | Base |
| 2017 | Audi | SQ5 | Dynamic Edition |
| 2014 - 2017 | Audi | SQ5 | Prestige, Premium Plus, Base, Technik, Progressiv |
| 2014 | Porsche | Cayenne | Diesel Platinum Edition |
| 2014 - 2018 | Porsche | Cayenne | Platinum Edition |
| 2015 - 2018 | Porsche | Cayenne | S E-Hybrid |
| 2017 - 2018 | Porsche | Cayenne | S E-Hybrid Platinum Edition, S Platinum Edition |
| 2011 - 2014 | Porsche | Cayenne | S Hybrid |
| 2011 - 2018 | Porsche | Cayenne | S, Base, Turbo |
| 2013 - 2018 | Porsche | Cayenne | Turbo S, GTS, Diesel |
| 2012 - 2013 | Porsche | Panamera | Turbo, S Hybrid, S, 4S, Base, Turbo S, GTS, 4 |
| 2007 - 2015 | Volkswagen | Touareg | Base |
| 2011 - 2015 | Volkswagen | Touareg | Execline TDI, Hybrid |
| 2009 - 2015 | Volkswagen | Touareg | Highline, Execline, Comfortline |
| 2015 | Volkswagen | Touareg | Sportline, Sportline TDI |
| 2014 | Volkswagen | Touareg | TDI R-Line, X, TDI Edition X |
| 2007 - 2014 | Volkswagen | Touareg | TDI, V6, V8 |
| 2012 - 2015 | Volkswagen | Touareg | V6 Lux, TDI Executive, TDI Sport, V6 Sport, V6 Executive, TDI Lux, Comfortline TDI, Highline TDI |
| 2007 - 2009 | Volkswagen | Touareg | V6 Premium |
| 2014 - 2015 | Volkswagen | Touareg | V6 R-Line |
| 2009 | Volkswagen | Touareg | V6 TDI |
| 2011 | Volkswagen | Touareg | VR6 |
