Audi S1 8X S3 8V Engine Fuel Injector Nozzle Jet Unit 2.0 TFSI 06L906036K

Audi S1 8X S3 8V Engine Fuel Injector Nozzle Jet Unit 2.0 TFSI for Audi S1 8X and S3 8V petrol engines is a precision fuel system component designed for 2.0 TFSI units. The original Audi design ensures stable fuel delivery, which translates into efficient engine operation, proper idle smoothness, and predictable throttle response. This solution is dedicated to sports-oriented vehicles where both performance and consistency of operating parameters are essential.

Specifications and technical data

• SKU: 06L906036K-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 06L906036K
• Substitutable numbers: 06L906036K, 06L 906 036 K, 958 906 036 00, 95890603600, 9A7 906 036, 9A7906036
• Fuel type: Petrol
• Part type: Fuel Injector
• Category: Fuel Injectors

Purpose and function in the fuel injection system

The presented fuel injector nozzle is a component of the petrol fuel system in TFSI engines, responsible for the precise atomization of fuel in the combustion chamber. In 2.0 TFSI units of the Audi S1 8X and S3 8V, a properly functioning injector is crucial for:

• maintaining the correct air-fuel mixture ratio under various loads,
• stable operation at idle and during dynamic acceleration,
• reducing engine knocking and ensuring correct ignition timing,
• maintaining factory power and torque parameters. Thanks to a design compliant with TFSI engine requirements, the nozzle works with the high-pressure fuel pump and the engine control unit, ensuring repeatable fuel doses across the entire RPM range.

Benefits of using an original fuel injector nozzle

In turbocharged engines, such as the 2.0 TFSI, the quality of injection has a direct impact on the performance and durability of the power unit. Using an original Audi fuel injector nozzle allows you to:

• maintain the factory engine operating characteristics without the need for software modifications,
• minimize the risk of rough running, jerking, and starting problems in both hot and cold conditions,
• maintain correct fuel consumption and exhaust emission values,
• reduce the risk of piston and valve overheating resulting from incorrect fuel dosing. This is particularly important in vehicles used dynamically, where stability of injection parameters affects the safety and predictability of the car's behavior.

Technical and fuel characteristics

The nozzle belongs to the Fuel Injector Nozzles category and is designed for use with petrol. This means that its construction, seals, and control method are optimized for the physicochemical properties of petrol, not diesel. In practice, this translates into:

• the appropriate fuel spray pattern for the TFSI engine combustion chamber,
• adaptation to operating pressures typical for direct petrol injection,
• compatibility with the factory Audi engine control unit without the need for adaptation. Selecting the right nozzle for a specific power unit is crucial – using a component intended for petrol in a diesel engine or vice versa would lead to serious malfunctions, which is why compatibility with the fuel type is of fundamental importance.

Condition, installation, and diagnostics

This item comes from the used parts group, which in practice means an attractive cost-to-functionality ratio while maintaining the manufacturer's original specifications. Before installation, a standard workshop procedure is recommended, including checking the injector seats, seals, and operating parameters during adaptation by the engine control unit. In case of problems with the power unit's operation – such as rough running, increased fuel consumption, or smoke – it is worth performing computer diagnostics as well as a leak-off test and analysis of injection corrections. Additional information on the symptoms and consequences of injector failures can be found in the article: injector failures – symptoms, consequences, and diagnostics, which discusses the issue from a practical perspective, also useful when assessing the condition of injectors in petrol engines.

Fuel system expansion and related parts

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 injectors, nozzles, or accompanying fuel system components, check the available parts in the Audi Fuel Injector Nozzles category. This allows you to select a set of components from one functional group, which facilitates maintaining the consistency of engine operating parameters and reduces the risk of problems resulting from mixing parts of different origins.