VW Golf 5G 2.0 TFSI CWZA Fuel Injector Ignition Coil Set x4 06J905110G

VW Golf 5G 2.0 TFSI CWZA Fuel Injector Ignition Coil Set is a set of original ignition system components designed for the petrol engine, ideal for servicing the CWZA unit. The set comes from the Volkswagen group and is tailored to the specific operating requirements of the modern TFSI engine, ensuring a stable spark and proper cooperation with the fuel injection system. This is a practical service solution when replacing multiple ignition coils at once.

Specifications and technical data

• SKU: 06H905110P-1
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 06H905110P
• Substitutable numbers: 06H905110P, 06H 905 110 P
• Fuel type: Petrol
• Rim width: 6
• Category: Additional Fuel Injection Parts

Purpose and function in the ignition system

The set of four ignition coils is responsible for generating the high voltage necessary to ignite the air-fuel mixture in a petrol engine. In TFSI units, the proper operation of the coils has a direct impact on:

• idle stability and engine refinement,
• smooth acceleration without jerking,
• proper mixture combustion and reduction of misfires,
• maintaining appropriate exhaust emission parameters. Replacing all four elements in a single service cycle allows for maintaining an even load on the ignition system and facilitates future diagnostics.

Technical characteristics and fitment

The presented set belongs to the Other fuel injection system parts group, although in practice, it works in close cooperation with the engine's fuel supply and control system. The coils are structurally prepared for installation in a petrol engine, which ensures compatibility with the ignition characteristics of TFSI units. The elements have been designed as OEM components, thanks to which they maintain the correct electrical and geometric parameters, as well as proper fitment with the cylinder head and electrical harness. Such fitment reduces the risk of leaks, mounting clearances, or connector issues.

Condition, application, and benefits of installation

The ignition coil set is in used condition, making it an attractive cost-effective alternative to new parts while maintaining the manufacturer's original specifications. Replacing the set is particularly recommended when symptoms appear such as:

• intermittent misfires under load,
• rough engine operation when cold,
• loss of dynamics and increased fuel consumption,
• ignition errors recorded by the engine control unit. Selecting original components from the same series allows for maintaining consistent operating parameters across all cylinders, which translates into more predictable engine behavior and easier technical condition monitoring in the future.

Compatibility and installation aspects

The ignition coil set has been prepared for the CWZA unit in the VW Golf 5G with a petrol engine. Installation involves removing the old elements, cleaning the sockets in the cylinder head, and seating the coils in a way that ensures proper pressure on the spark plugs. In practice, this is a service operation that can be performed in one cycle along with checking the fuel injection system and engine control unit diagnostics. Thanks to the preservation of factory geometry and electrical connectors, the coils work with the vehicle's original harness, which limits the need for additional modifications or adaptations. This solution is particularly beneficial when servicing vehicles used intensively, where downtime and repair predictability are key.

Technical support, categories, and service knowledge

If you are planning a comprehensive repair or upgrade of the engine area in your Volkswagen and need other elements from the same group, such as coils, injectors, or power cables, check the available parts in the Other Volkswagen fuel injection system parts category. When planning the ignition system service and preparing the car for the winter season, it is also worth considering checking other engine components. Practical checklists and tips can be found in the article "Winter essentials: which used car parts are worth checking and replacing before the frost?", where it is described, among other things, how to approach assessing the condition of OEM elements and how to plan preventive replacements.