Audi S6 C7 S7 4G S8 D4 High Voltage Ignition Coil 4.0 TFSI Petrol 079905110L

Audi S6 C7 S7 4G S8 D4 High Voltage Ignition Coil 4.0 TFSI Petrol is an original ignition system component from the Ignition coils group, designed for 4.0 TFSI petrol engines in Audi sports models. This used OEM part ensures proper ignition performance, a stable spark, and correct compatibility with the factory engine control unit.

Specifications and technical data

• SKU: 079905110L
• Mark: Audi
• Condition: Used
• OEM Part Number: 079905110L
• Substitutable numbers: 079905110L, 079 905 110 L
• Fuel type: Petrol
• Part type: Ignition Coil
• Category: Ignition Coils

Purpose and function in the ignition system

The presented ignition coil is designed for 4.0 TFSI petrol units used in Audi S6 C7, S7 4G, and S8 D4 models. It is responsible for converting the vehicle's electrical system voltage into the high voltage required to generate a spark in the spark plug, which directly affects engine performance, acceleration dynamics, and idle stability. A properly selected coil in a petrol engine reduces the risk of misfires, power loss, and uneven engine operation, which is particularly important in high-performance, turbocharged 4.0 TFSI constructions.

Benefits of using an original Audi coil

Using an original ignition coil in Audi sports models allows you to maintain the factory ignition system performance. As a component from the same group as the original factory-fitted equipment, it ensures:

• proper cooperation with the engine control electronics,
• appropriate voltage characteristics and charging time,
• stable cold and warm starts,
• reduced risk of ignition errors recorded by the ECU. For high-power petrol units such as the 4.0 TFSI, selecting the correct coil is crucial for both performance and the durability of other ignition system components.

Product characteristics and condition

The offered coil comes from disassembly and is a used original Audi component. This type of part is a good solution when you want to maintain factory specifications while optimizing repair costs. A used OEM coil allows you to restore the correct operation of the ignition system without the need to resort to replacements with uncertain parameters. The product is intended for petrol-powered engines, which is critical when selecting components within the ignition system – coils for petrol units differ in construction and electrical properties from solutions used in diesel engines.

Application in service practice

Replacing an ignition coil is a standard service operation in the event of symptoms such as jerking during acceleration, misfires under load, or uneven idling. In the 4.0 TFSI engine, due to its power and thermal loads, a functional ignition system is of particular importance for driving safety and comfort. By choosing a coil dedicated to the Audi S6 C7, S7 4G, or S8 D4, you minimize the risk of compatibility issues, and the installation process is similar to the factory standard – without the need for wiring modifications or additional adaptations.

Ignition system expansion and related components

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other elements from the same group, such as additional coils, mounting hardware, or components working within the ignition system, check out the available parts in the Audi ignition coils category. When deciding whether to choose a used part or a refurbished solution, our guide describing the differences between these service approaches may be helpful – you can find more information in the article Refurbished or used original – which part to choose for repairs?.