Audi Q7 4L 3.0 TDI Diesel Engine Fuel Injector Unit 201114 0445117

The Audi Q7 4L 3.0 TDI Diesel Fuel Injector is an original injector nozzle designed for 3.0 TDI diesel engines in the Audi Q7 4L generation. This part comes from a dismantled vehicle, allowing for an economical yet technically sound repair of your car's injection system.

Specifications and technical data

• SKU: 059130277EJ-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 059130277EJ
• Substitutable numbers: 059130277EJ, 059 130 277 EJ
• Fuel type: Diesel
• Category: Fuel Injectors

Purpose and Role in the Injection System

The presented injector nozzle for Audi Q7 4L 3.0 TDI operates within the high-pressure diesel engine system, responsible for precise fuel delivery to the combustion chamber. A correctly selected injector ensures:

• stable engine operation across the entire RPM range,
• proper mixture combustion and reduced smoke,
• maintenance of factory performance and the smooth running of the 3.0 TDI engine.

This component is dedicated to diesel engines, guaranteeing compatibility with the operating characteristics of Diesel units in the Audi Q7 4L.

Benefits of Using an Original Injector Nozzle

Using an original injector nozzle in the Audi Q7 4L offers a range of practical operational benefits:

• Better compatibility with engine ancillaries compared to aftermarket replacements of unknown origin.
• Appropriate fuel atomization characteristics, matched to the 3.0 TDI engine control unit maps.
• The ability to restore correct injection system operation without the need for a costly replacement of the entire injector set.
• Reduced risk of incorrect fuel metering, which can lead to power loss or increased diesel fuel consumption.

Practical Application in Service

This fuel injector for the Audi Q7 4L 3.0 TDI is suitable for repairs on individual cylinders as well as for phased replacement of injection system components. It is particularly useful when diagnostics indicate:

• uneven idle engine operation,
• a drop in dynamics during acceleration,
• increased fuel consumption or errors related to fuel metering.

Part selection is facilitated by the OEM marking and available interchangeable numbers, allowing for precise verification of compatibility with your specific engine configuration.

Condition and Installation Aspects

The injector is a used component, which helps reduce repair costs while maintaining proper system operating parameters. Before installation, it is recommended to:

• check for leaks and parameters on a test bench,
• use new seals in accordance with manufacturer recommendations,
• thoroughly clean the injector seat in the cylinder head before installing the injector nozzle.

Proper installation and adaptation in the engine control unit (if required) ensure trouble-free operation of the injector in daily driving.

Diagnostics and Technical Knowledge

If you want to better understand the symptoms of injector damage in diesel engines, it is worth reading the article “Diesel Injector Failures – How to Recognize Them and What Neglecting Them Entails”, which discusses typical symptoms, consequences of neglect, and basic diagnostics.

For those interested in a broader perspective on the entire diesel fuel supply system, the material on the construction and operation of the fuel system – injectors, pumps, and fuel tank will also be helpful, containing practical tips on selecting components by OEM numbers and regeneration principles.

Other Audi Injector Nozzles

If you are looking for other Audi injector nozzles for different models or engine configurations, check out our dedicated category: Audi Injector Nozzles. This will allow you to easily compare available solutions and select the appropriate part for your vehicle.