Walker 921-2266 Ignition Coil

Walker ThunderSpark Ignition Coil 921-2266

Walker ThunderSpark ignition coil 921-2266 is a direct-fit ignition coil for select Volkswagen, Audi, and related applications. It is listed for single-coil use on multiple Atlas, Passat, Touareg, CC, Q7, and Teramont fitments, making it a focused replacement for ignition system service.

Key Features

• Walker ThunderSpark ignition coil for OE-style ignition coil replacement
• Fits select Volkswagen Atlas, Passat, Touareg, CC, and Teramont applications
• Also listed for Audi Q7 fitment
• Application-specific fitment includes ThunderSpark and Single Coil notes where shown
• Part number 921-2266 for catalog and service matching

Fitment Details

• Fits 2019-2023 Volkswagen Atlas, N/A, Single Coil
• Fits 2020-2023 Volkswagen Atlas Cross Sport, N/A, Single Coil
• Fits 2021-2023 Volkswagen Cross Sport, N/A, Single Coil
• Fits 2019, 2021-2023 Volkswagen Teramont, N/A, Single Coil
• Fits 2018 Volkswagen Atlas, N/A, To 06/04/2018; ThunderSpark
• Fits 2018 Volkswagen Passat, N/A, To 06/04/2018; ThunderSpark
• Fits 2017 Volkswagen CC, N/A, Single Coil
• Fits 2016-2017 Volkswagen Passat, N/A, ThunderSpark
• Fits 2012-2014 Volkswagen Passat, N/A, ThunderSpark
• Fits 2009-2017 Volkswagen Touareg, N/A, ThunderSpark
• Fits 2009-2016 Volkswagen CC, N/A, ThunderSpark
• Fits 2015 Volkswagen Passat, N/A, Single Coil
• Fits 2009-2010 Volkswagen Passat, N/A, Single Coil
• Fits 2009-2012 Volkswagen Passat CC, N/A, Single Coil
• Fits 2009-2010 Audi Q7, N/A, ThunderSpark
• Fits 2007 Volkswagen Touareg, N/A, Single Coil

What This Part Helps Address

• Engine misfire conditions tied to a failing ignition coil
• Rough idle during startup or at stoplights
• Hard starting caused by weak spark output
• Loss of power under acceleration from inconsistent ignition performance
• Check engine light concerns related to ignition coil faults

Installation Notes

Confirm the vehicle year, make, model, and fitment note before ordering. This part number 921-2266 is listed for specific Volkswagen Atlas, Passat, Touareg, CC, Passat CC, Teramont, Atlas Cross Sport, Cross Sport, and Audi Q7 applications, so match the catalog note exactly, especially where the listing specifies ThunderSpark, Single Coil, or a production cutoff date.

Quality Assurance

Walker ThunderSpark is the product line identified for this ignition coil, and the fitment data is organized for direct application matching. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.