Audi A3 8V A1 8X Fuel Injector Injection Diesel Engine 04L130277AD

Audi A3 8V A1 8X Diesel Injector Fuel Injector is an original injector nozzle designed for Audi diesel engines, ensuring precise fuel delivery and stable engine operation. A used OEM part is a sensible choice for drivers seeking a technically matched solution while maintaining cost-effective servicing.

Specifications and technical data

• SKU: 04L130277AD
• Mark: Audi
• Condition: Used
• OEM Part Number: 04L130277AD
• Substitutable numbers: 04L130277AD, 04L 130 277 AD
• Fuel type: Diesel
• Category: Fuel Injectors

Purpose and Technical Characteristics

The fuel injector for Audi A3 8V and Audi A1 8X with a Diesel engine belongs to the Injector Nozzles category. It is a component of the fuel system responsible for atomizing diesel fuel in the combustion chamber at the correct pressure and at a precisely determined moment.

The original Audi design ensures:

• precise fit to the cylinder head and fuel rail in the diesel engines used in A3 8V and A1 8X,
• stable injection parameters consistent with the engine control unit maps,
• correct fuel spray formation, which promotes even mixture combustion.

Benefits of Using an Original Injector Nozzle

Choosing the right injector directly impacts the smoothness of the diesel engine's operation and its durability. Using an original Audi nozzle allows for:

• maintaining correct power and torque thanks to proper fuel metering,
• reducing smoke and uneven running at idle and under load,
• lowering the risk of piston and valve overheating resulting from improper atomization,
• better compatibility with the factory engine control unit without the need for software modifications.

A used OEM part is a solution that allows for maintaining the original engine operating parameters at a lower cost than a new component.

Condition, Verification, and Fitment

The injector is offered as a used part, which in practice means it comes from a dismantled vehicle and is intended for further use after proper installation and potential adaptation in the engine control unit (if required by the system). Such components are often chosen by professional workshops specializing in Audi diesel engine servicing.

Before purchasing, it is advisable to verify compatibility with the specific engine version and vehicle year. Helpful resources may include:

• comparing the installed injector nozzle with the dismantled part,
• checking compatibility in the Audi parts catalog based on vehicle data,
• consulting with a mechanic specializing in diesel injection systems.

Operation and Diagnostics of Diesel Injection Systems

A properly functioning injector nozzle is crucial for engine durability, fuel consumption, and emissions. Symptoms such as difficulty starting when warm, loss of power, increased fuel consumption, or characteristic knocking noises may indicate worn injectors.

If you want to better understand the symptoms of wear and the consequences of neglecting maintenance, it is worth reading the article: Diesel Injector Failures – How to Recognize Them and What Neglecting Them Entails. This is a practical source of knowledge about diagnostics and common problems in injection systems.

Other Audi Injector Nozzles

If you are also looking for other Audi injector nozzles for different models or engine configurations, check the available assortment in the category Audi Injector Nozzles. This will allow you to select fuel system components that are consistent in design and operating parameters with your vehicle.