Audi A6/A8/S4 Sti 20126 - V8 Ignition Coil

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The STI 20126 V8 Ignition Coil is a crucial component within the ignition system, positioned directly above the spark plugs in Audi models such as the S4, A8 Quattro, and A6 Quattro. This OEM part, compatible with years 2004-2009 for the S4 and 2004-2006 for both A8 Quattro and A6 Quattro, ensures optimal engine performance by delivering high-voltage sparks to ignite the air-fuel mixture. Common issues like misfires, rough idling, or decreased fuel efficiency often indicate a worn or damaged ignition coil, necessitating replacement. Additional part numbers include 077905115Q, 077905115F, and 077905115H, providing multiple options for cross-referencing. Trust this factory-original part sourced from salvage vehicles for reliable functionality and compatibility.

Specifications

Specifications for Sti 20126 - V8 Ignition Coil
Fits Vehicle ModelA6, A8, S4
Fits Vehicle MakeAudi
Compatible OEM Part No 077-905-115-Q, 077-905-115-F, 077-905-115-H, 077-905-115-K, 077-905-115-E, 077-905-115-P, 077-905-115-C, 077-905-115-B, 077-905-115-T, 077-905-115-AF, 077-905-115-AA, 077-905-115-S, 077-905-115-R, 077-905-115-M, 077-905-115-J, 077-905-115-G
CategoryIgnition / Spark

Compatible Vehicles

Fits 19 vehicle configurations across 1 make, 2004-2009.

Check your specific vehicle before ordering. This list shows year, make, and model. Some years have multiple trims or engines that use different parts, and individual listings may have additional fitment notes (e.g. “with sunroof only”). Review the full variant list below, or message us with your VIN and we’ll confirm the match.

Audi

  • A6 2005-2008 · 4 variants 4 with notes
  • A8 2004-2006 · 5 variants 5 with notes
  • S4 2004-2009 · 10 variants
View all 19 vehicle configurations — 9 with fitment notes
Full vehicle fitment list for Sti 20126 - V8 Ignition Coil
Year Make Model Trim Engine Note
2004 Audi A8 Quattro L Sedan 4.2L V8 For Vehicles with Engine Code(s) BFM, BGK
2004 Audi S4 Wagon 4.2L V8
2004 Audi S4 Sedan 4.2L V8
2004 Audi S4 Convertible 4.2L V8
2005 Audi A6 Quattro Sedan 4.2L V8 For Vehicles with Engine Code(s) BNK
2005 Audi A8 Quattro Sedan 4.2L V8 For Vehicles with Engine Code(s) BFM, BGK
2005 Audi A8 Quattro L Sedan 4.2L V8 For Vehicles with Engine Code(s) BFM, BGK
2005 Audi S4 Wagon 4.2L V8
2005 Audi S4 Sedan 4.2L V8
2005 Audi S4 Convertible 4.2L V8
2006 Audi A6 Quattro Sedan 4.2L V8 For Vehicles with Engine Code(s) BNK
2006 Audi A8 Quattro Sedan 4.2L V8 For Vehicles with Engine Code(s) BFM, BGK
2006 Audi A8 Quattro L Sedan 4.2L V8 For Vehicles with Engine Code(s) BFM, BGK
2006 Audi S4 Convertible 4.2L V8
2007 Audi A6 Quattro Sedan 4.2L V8 For Vehicles with Engine Code(s) BNK
2007 Audi S4 Convertible 4.2L V8
2008 Audi A6 Quattro Sedan 4.2L V8 For Vehicles with Engine Code(s) BNK
2008 Audi S4 Convertible 4.2L V8
2009 Audi S4 Convertible 4.2L V8

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