Audi A8 D4 3.0 TDI Diesel Fuel Injector Injection Nozzle Jet 059130277CH

Audi A8 D4 3.0 TDI Diesel Injector Fuel Injector 059130277CH is an original fuel system component designed for Audi diesel engines, responsible for precise fuel delivery into the combustion chamber. A used injector from the injector nozzles category allows for restoring proper engine operation without the need to invest in a new part. This is a solution for users who expect factory fitment and stable performance parameters for the 3.0 TDI engine.

Specifications and technical data

• SKU: 059130277CH-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 059130277CH
• Substitutable numbers: 059130277CH, 059 130 277 CH
• Location on the vehicle: Front
• Fuel type: Diesel
• Part type: Fuel Injector
• Category: Fuel Injectors

Purpose and Function of the Audi 3.0 TDI Injector

The presented fuel injector is a component of the diesel engine's fuel system, mounted at the front of the vehicle. Its task is to precisely atomize diesel fuel in the combustion chamber, which affects the engine's smoothness, dynamics, and emission levels. A properly functioning injector nozzle helps maintain:

• stable idle speed without jerking or misfires,
• smooth acceleration across the entire RPM range,
• optimal fuel consumption in daily use,
• lower smoke levels and reduced unwanted engine vibrations.

Construction and Compatibility with the Injection System

This injector is part of the Audi OE (Original Equipment) range, meaning it was designed for full compatibility with the factory injection system of the 3.0 TDI engine. This ensures:

• correct injection pressure parameters required by the engine control unit,
• the proper fuel spray pattern tailored to the combustion chamber of the 3.0 TDI unit,
• correct connection ports for fuel lines and the electrical harness,
• a perfect fit with the cylinder head without the need for modifications or mechanical adaptations.

By maintaining the original geometry and operating parameters, installing this injector does not require modifications to the fuel system, and the engine control unit can operate within the manufacturer's specified ranges.

Benefits of Using an Original Injector Nozzle

Choosing a used, original fuel injector for the Audi A8 D4 3.0 TDI is a solution that combines economic benefits with the preservation of the engine's factory performance. Using such a component promotes:

• predictable engine behavior under load,
• reduced risk of control unit errors related to incorrect fuel delivery,
• decreased engine noise resulting from uneven injection,
• easier future diagnostics due to compliance with factory parameters.

This is particularly important in modern diesel engines, where injection precision directly impacts the durability of the engine, the particulate filter, and the turbocharging system.

Condition, Installation, and Service Recommendations

The offered part is a used component, which means it can restore the functionality of the injection system at a lower cost than a new part. Before installation, it is recommended to:

• check the fuel system for leaks and the condition of the lines,
• inspect the injector seats in the cylinder head and clean them if necessary,
• perform injector adaptation or coding in the engine control unit, if required by the system,
• conduct a computer diagnostic check after installation to verify operating parameters.

For users who want to better understand the symptoms of worn fuel system components, the article: Diesel Injector Failures – How to Recognize Them and What Are the Consequences of Neglect will be helpful. It allows for correlating typical symptoms, such as smoke, power loss, or uneven running, with the actual condition of the injectors.

Other Audi Injector Nozzles

If you are looking for other Audi injector nozzles for your model, check the Audi injector nozzles available in our assortment to select the part that best matches your specific engine version and vehicle year.