Walker 921-2027 Ignition Coil

Walker ThunderSpark Ignition Coil 921-2027

Walker ThunderSpark ignition coil 921-2027 is a direct-fit ignition coil for select Audi and Volkswagen applications. It is listed for a wide range of 2000-2012 vehicles, including Audi A4, Audi TT, Volkswagen Jetta, and Volkswagen Passat models with single-coil or ThunderSpark configurations.

Key Features

• Ignition coil for select Audi and Volkswagen engines
• Walker ThunderSpark product line coverage for listed applications
• Fits vehicles with single coil and ThunderSpark notes as specified in the fitment data
• Part number 921-2027 for accurate catalog matching
• Application-specific fitment for 2000-2012 model years

Application Details

This ignition coil is cataloged for Audi A3, A4, A4 Quattro, A6, A6 Quattro, Allroad Quattro, S3, TT, and TT Quattro, plus Volkswagen Beetle, Clasico, Golf, Jetta, and Passat applications. Fits 2001-2006 Audi A4, ThunderSpark; Fits 2001-2005 Volkswagen Jetta, ThunderSpark; Fits 2000-2005 Volkswagen Passat, N/A. Walker 921-2027 is also listed for 2007-2008 Audi A4, 2009-2010 Volkswagen Jetta, and 2011-2012 Volkswagen Clasico.

What This Part Helps Address

• Engine misfire caused by weak or inconsistent spark output
• Hard starting related to ignition coil failure
• Rough idle from unstable coil performance
• Loss of acceleration response under load
• Check engine light conditions tied to ignition system faults

Installation Notes

Verify the year, make, model, engine configuration, and fitment notes before ordering. Match the listed application details exactly, especially the ThunderSpark and single-coil notes shown for specific Audi and Volkswagen vehicles. Confirm connector style and mounting location against the original part before installation.

Quality Assurance

Walker ThunderSpark 921-2027 is cataloged for precise vehicle-specific coverage across the listed Audi and Volkswagen applications. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.