Volkswagen Seat Skoda Audi 1.5 TSI TFSI Petrol Ignition Coil 05E905110 Set x4

Volkswagen Seat Skoda Audi 1.5 TSI TFSI Petrol Ignition Coil Set x4 is a set of original ignition system components from the Volkswagen group, designed for 1.5 TSI / TFSI petrol engines. The set of four ignition coils allows for a consistent, technically correct replacement of the entire set, which promotes stable engine operation and uniform ignition in every cylinder.

Specifications and technical data

• SKU: 05E905110-1
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 05E905110
• Substitutable numbers: 05E905110, 05E 905 110
• Fuel type: Petrol
• Category: Ignition Coils

Purpose and role in the ignition system

The presented set belongs to the Ignition coils category and is dedicated to petrol engines from the 1.5 TSI / TFSI family used in Volkswagen, Seat, Skoda, and Audi vehicles. The coils are responsible for generating the high voltage necessary to create a spark at the spark plug, which directly affects engine performance, acceleration dynamics, and idle stability.

The set of four coils allows for:

• simultaneous replacement of all ignition elements of this type in a four-cylinder engine,
• maintaining uniform ignition parameters between cylinders,
• reducing the risk of random misfires resulting from differences in the wear of individual coils.

Benefits of using the original set

Using original coils from the Volkswagen group in a 1.5 TSI / TFSI petrol engine ensures compliance with the vehicle manufacturer's factory requirements. Properly selected electrical and structural parameters translate into:

• stable engine starting across a wide temperature range,
• repeatable ignition timing, supporting the proper operation of the fuel injection system,
• better compatibility with the factory engine control unit, without the need for adaptation or software modifications.

Choosing a complete set of four coils is particularly beneficial when symptoms such as occasional jerking, power loss, or ignition errors appear – replacing the entire set reduces diagnostic time and ensures a consistent performance level across all cylinders.

Operational characteristics and installation

The presented ignition coils are components designed for engines powered by petrol. The "pencil coil" design (coil directly on the spark plug) facilitates installation in the cylinder head and eliminates the need for high-voltage cables, which reduces the number of potential failure points.

In service practice, a set of four coils allows you to:

• reduce service time – all coils can be replaced during a single removal of the engine covers,
• organize the vehicle's service history – the entire set has the same level of wear,
• control subsequent diagnostics more easily – potential ignition problems will not result from differences in the age of the coils.

The used condition means that the components come from disassembly, which is an attractive cost alternative to new parts while maintaining the manufacturer's original specifications.

Why choose this set of ignition coils

The Ignition coils set for 1.5 TSI / TFSI units from the Volkswagen group is a solution aimed at users who expect a technically correct and at the same time economical repair of the ignition system. The set of four pieces allows for:

• consistent replacement of all coils in one service process,
• reducing the risk of recurring faults resulting from leaving partially worn components,
• maintaining engine performance parameters at a level close to factory standards.

If you are planning a comprehensive repair or upgrade of the engine area in your Volkswagen and need other components from the same group, such as individual coils, complete sets, or dedicated ignition modules, check the available parts in the Volkswagen Ignition coils category.

Additional information and service knowledge

When selecting used ignition system components, it is worth considering not only the price but also the origin of the parts and their compatibility with the specific engine unit. Properly selected components from disassembly allow for significantly lower vehicle maintenance costs while maintaining a high level of operational safety.

If you are interested in the broader context of using original used parts in premium cars and want to better understand how to optimize service costs without sacrificing quality, it is worth reading the article Luxury within reach – how to service a Porsche legend using proven used parts.