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Bosch 0986221054 Ignition Coil
| Brand | Bosch 0986221054 |
|---|---|
| Voltage | 14 |
| Coil Type | Pencil coil |
| Coil Wire Included | No |
| Package Contents | 1 ignition coil |
| Private Brand? | No |
| Terminal Type (Ignition Coil) | Sae |
| Product line | Ignition Coil (New) |
| Fits | Audi and Volkswagen · 21 vehicles |
OE-quality ignition coil. Delivers correct ignition voltage and long-lasting spark.
Pencil coil design. Compact construction for reliable ignition performance.
Helps improve engine operation while reducing fuel use and emissions.
Cross-references 077905115AA and 077905115T for the same application. See all 2.
Bosch Ignition Coil for Audi and Volkswagen
Bosch ignition coil 0986221054 is an OE-quality pencil coil built to deliver the correct ignition voltage and a consistent spark. It is a direct-fit ignition coil for select Audi and Volkswagen engines, including Audi S4, Audi A6 Quattro, Audi A8 Quattro, Allroad Quattro, and Volkswagen Touareg, Phaeton.
Key Features
- OE-quality Bosch ignition coil for stable spark output
- Pencil coil design for direct-cylinder ignition systems
- 14-volt electrical specification
- SAE terminal type for proper electrical connection
- Coil wire not included
- Package contents: 1 ignition coil
Product Details
This Bosch Ignition Coil (New), part number 0986221054, is engineered for vehicles that use one coil per cylinder. It supports proper combustion by helping maintain the correct ignition voltage, which can improve engine operation, fuel efficiency, and exhaust emissions when replacing a worn or failing coil. This part cross-references Volkswagen/Audi OE numbers 077905115AA and 077905115T for the same application.
Compatible With 2004-2009 Audi S4, N/A; 2004-2007 Volkswagen Touareg, N/A; 2005-2006 Audi A6 Quattro, N/A; 2004-2006 Audi A8 Quattro, N/A; 2004-2006 Volkswagen Phaeton, N/A; and 2003-2005 Audi Allroad Quattro, N/A. Bosch 0986221054 is a fitment-focused replacement for these Audi and Volkswagen ignition systems.
Common Issues This Part May Address
- Misfire caused by a weak or failing ignition coil
- Hard starting or extended crank time
- Rough idle and inconsistent engine performance
- Reduced fuel economy from incomplete combustion
- Increased exhaust emissions from poor spark delivery
Installation Notes
Verify engine application and OE part number before installation. This pencil-style coil is used in one-per-cylinder ignition setups, so inspect the spark plug, coil boot area, and electrical connector condition during service. Replace coils in the affected cylinder location only after confirming the fault with proper diagnostics.
Quality Assurance
Bosch ignition components are built to OE-level specifications for ignition performance and electrical fitment. The Bosch 0986221054 ignition coil is intended to restore proper spark delivery in the listed Audi and Volkswagen applications.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2009 | Audi | S4 | 4.2L | V8 | N/A | One per cylinder; Ignition Coil (New) |
| 2008 | Audi | S4 | 4.2L | V8 | N/A | One per cylinder; Ignition Coil (New) |
| 2007 | Audi | S4 | 4.2L | V8 | N/A | One per cylinder; Ignition Coil (New) |
| 2007 | Volkswagen | Touareg | 4.2L | V8 | N/A | One per cylinder; Ignition Coil (New) |
| 2006 | Audi | A6 Quattro | 4.2L | V8 | N/A | One per cylinder; Ignition Coil (New) |
| 2006 | Audi | A8 Quattro | 4.2L | V8 | N/A | One per cylinder; Ignition Coil (New) |
| 2006 | Audi | S4 | 4.2L | V8 | N/A | One per cylinder; Ignition Coil (New) |
| 2006 | Volkswagen | Phaeton | 4.2L | V8 | N/A | One per cylinder; Ignition Coil (New) |
| 2006 | Volkswagen | Touareg | 4.2L | V8 | N/A | One per cylinder; Ignition Coil (New) |
| 2005 | Audi | A6 Quattro | 4.2L | V8 | N/A | One per cylinder; Ignition Coil (New) |
| 2005 | Audi | A8 Quattro | 4.2L | V8 | N/A | One per cylinder; Ignition Coil (New) |
| 2005 | Audi | Allroad Quattro | 4.2L | V8 | N/A | One per cylinder; Ignition Coil (New) |
| 2005 | Audi | S4 | 4.2L | V8 | N/A | One per cylinder; Ignition Coil (New) |
| 2005 | Volkswagen | Phaeton | 4.2L | V8 | N/A | One per cylinder; Ignition Coil (New) |
| 2005 | Volkswagen | Touareg | 4.2L | V8 | N/A | One per cylinder; Ignition Coil (New) |
| 2004 | Audi | A8 Quattro | 4.2L | V8 | N/A | One per cylinder; Ignition Coil (New) |
| 2004 | Audi | Allroad Quattro | 4.2L | V8 | N/A | One per cylinder; Ignition Coil (New) |
| 2004 | Audi | S4 | 4.2L | V8 | N/A | One per cylinder; Ignition Coil (New) |
| 2004 | Volkswagen | Phaeton | 4.2L | V8 | N/A | One per cylinder; Ignition Coil (New) |
| 2004 | Volkswagen | Touareg | 4.2L | V8 | N/A | One per cylinder; Ignition Coil (New) |
| 2003 | Audi | Allroad Quattro | 4.2L | V8 | N/A | One per cylinder; Ignition Coil (New) |
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