Audi A3 8V A4 B9 VW Polo Mk5 High Voltage Ignition Coil 2.0 TFSI 06L905110N

Audi A3 8V A4 B9 VW Polo Mk5 Ignition Coil 2.0 TFSI Petrol is an original part from the Ignition Coils group, designed for petrol engines where a stable spark and repeatable mixture ignition are crucial. A used OEM coil ensures proper fitment to the ignition system and maintains operating parameters in line with the manufacturer's factory specifications. This is a solution for users who expect a proven component with a construction compliant with Audi and VW standards.

Specifications and technical data

• SKU: 06L905110N
• Mark: Audi
• Condition: Used
• OEM Part Number: 06L905110N
• Substitutable numbers: 06L905110N, 06L 905 110 N
• Fuel type: Petrol
• Part type: Ignition Coil
• Category: Ignition Coils

Purpose and Role in the Ignition System

The presented ignition coil is designed to work with petrol units requiring precise ignition control across the entire RPM range. This component is responsible for converting the vehicle's electrical system voltage into the high voltage needed to generate a spark at the spark plug, which directly affects:

• engine idle stability,
• smooth acceleration without jerking,
• proper combustion of the fuel-air mixture,
• reduction of misfires and associated control unit errors.

Thanks to its construction compliant with vehicle manufacturer requirements, the coil works with the factory engine control unit, maintaining appropriate charging times and energy characteristics.

Benefits of Using an Original Audi Coil

Choosing an original Audi ignition coil from the Ignition Coils category primarily guarantees geometric and electrical compatibility with the cylinder head and engine wiring harness. The correct pin length, connector type, and winding parameters minimize the risk of installation problems and improper ignition system operation.

The most important advantages of this solution include:

• maintaining ignition characteristics consistent with factory maps,
• reduced risk of interference with engine electronics,
• easy diagnostics in case of potential faults, due to compliance with factory service procedures,
• consistency with other system components, such as spark plugs and electrical wiring.

Performance Characteristics and Installation

The ignition coil designed for 2.0 TFSI petrol engines has been developed for direct installation into the spark plug socket, simplifying servicing. Its compact design facilitates removal and reinstallation, and the "pencil coil" design allows for precise spark delivery without additional high-voltage wires.

In practice, this means:

• shorter replacement time during inspection or repair,
• reduction in the number of electrical connections prone to corrosion,
• better control over ignition parameters in modern TFSI units.

A used component of this type can be a good choice for diagnosing misfires, performing comparative tests between cylinders, or as an economical solution when replacing a single coil.

Selection, Compatibility, and Technical Support

To correctly select the coil for a specific engine version, it is advisable to pay attention to the OEM markings and interchangeable numbers assigned to this reference – this helps avoid installing a component with different electrical characteristics. If you have doubts when selecting used ignition components, an expert guide may be helpful – practical tips can be found in the article No More Wrong Purchases! How to Professionally Select Used Car Parts, which discusses, among other things, the importance of OEM number compatibility.

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other parts from the same group, such as additional coils, ignition control modules, or mounting elements, check the available parts in the Audi Ignition Coils category.

Summary

Audi A3 8V A4 B9 VW Polo Mk5 Ignition Coil 2.0 TFSI Petrol is a functional, original ignition system component that helps maintain proper petrol engine operation. Using a coil compliant with Audi factory standards promotes stable ignition, reduces the risk of control unit errors, and supports long-term, predictable engine operation.