Audi TT 8N Petrol Engine Ignition Coil 06H905115B

Audi TT 8N Petrol Engine Ignition Coil is an original ignition system component designed for petrol-powered units. It ensures stable spark generation in the cylinders, which translates into reliable starting and smooth engine operation during daily use.

Specifications and technical data

• SKU: 06H905115B
• Mark: Audi
• Condition: Used
• OEM Part Number: 06H905115B
• Substitutable numbers: 06H905115B, 06H 905 115 B
• Fuel type: Petrol
• Category: Leaf & Coil Springs

Purpose and function in the ignition system

The presented ignition coil is a component dedicated to the petrol engine in the Audi TT 8N model. It is responsible for converting the voltage from the vehicle's electrical system into the high voltage required for the spark to jump on the spark plug. A properly functioning coil reduces misfires, improves the engine's refinement, and stabilizes the combustion parameters of the air-fuel mixture.

Benefits of using an original Audi coil

Using an original Audi component in the ignition system allows you to maintain the factory engine performance characteristics. Thanks to this:

• the engine runs smoothly across the entire rev range,
• throttle response is predictable and consistent,
• the risk of jerking, stalling, and starting problems when hot or cold is reduced,
• the exhaust system and catalytic converter are less prone to damage resulting from misfires.

Selecting a coil that meets the manufacturer's requirements limits the need for additional installation modifications and facilitates future diagnostics.

Technical characteristics and compatibility

The ignition coil has been designed to work with Audi petrol engines, where precise ignition control by the engine control unit is required. The design of the component is adapted to the operating conditions in the engine compartment – high temperature, vibrations, and load changes. As a result, the component maintains stable electrical parameters under typical vehicle operating conditions.

Proper fitment to the cylinder head socket and the electrical connector minimizes the risk of looseness, arcing, and interference in the control signal. This is particularly important in modern petrol units, where the ignition system works in conjunction with on-board diagnostic systems.

Component condition and service application

The offered ignition coil is a used part, making it an attractive solution for budget repairs or restoring the performance of an older Audi TT 8N. This type of part can be used both as a replacement for a damaged coil and as an auxiliary element when diagnosing ignition problems, such as misfires on a specific cylinder or unstable idle speed.

Before installation, it is recommended to perform a standard check of the vehicle's ignition system (condition of spark plugs, wires, wiring harness) to ensure proper operating conditions for the component and avoid secondary damage.

Support in selection and system expansion

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 elements, or related suspension components, check the available parts in the Audi leaf springs and coil springs category.

For extensive service work on the drivetrain, it is also worth paying attention to the condition of the clutch and drivetrain components – practical tips on diagnostics and part selection can be found in the article Clutch and dual-mass flywheel – diagnostics and selection of parts for the drivetrain, which helps to better plan comprehensive drivetrain maintenance.