Audi A4 B8 A5 8T Q5 8R 2.0 TDI Diesel Fuel Injector 03L130277

Audi A4 B8 A5 8T Q5 8R 2.0 TDI Diesel Fuel Injector is a precise fuel system component designed for 2.0 TDI diesel engines in popular Audi models. It is responsible for accurate fuel metering, which is crucial for the engine's smooth operation, performance, and fuel consumption.

Specifications and technical data

• SKU: 03L130277-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 03L130277
• Substitutable numbers: 03L130277, 03L 130 277
• Location on the vehicle: Front
• Fuel type: Diesel
• Category: Fuel Injectors

Purpose and Role of the Injector in a 2.0 TDI Engine

The presented 2.0 TDI diesel fuel injector operates at the front of the engine, within the cylinder head, as part of the injection system responsible for creating the fuel-air mixture. A properly functioning injector nozzle ensures:

• stable idle operation and reduced engine vibrations,
• proper acceleration dynamics across the full RPM range,
• optimal diesel fuel combustion, leading to driving economy.

This component is dedicated to Diesel fuel systems requiring high precision in fuel delivery at high operating pressures.

Category: Audi Injector Nozzles – Application and Compatibility

The product belongs to the injector nozzles category, which are elements responsible for atomizing fuel in the combustion chamber. In Audi vehicles with a 2.0 TDI engine, a correctly selected injector nozzle directly influences:

• maintaining uniform fuel atomization in each cylinder,
• reducing exhaust smoke and harmful emissions,
• preserving factory power and torque parameters.

If you need other parts from the same group, check the available Audi injector nozzles to find a complete solution for your fuel system.

Technical Characteristics and Front-End Engine Installation

The injector operates within the high-pressure system of a diesel engine, located in the front section of the powertrain. This positioning facilitates service access, diagnostics, and the replacement of individual injector nozzles without affecting other components. Using the appropriate element in the Diesel fuel system allows for:

• maintaining correct injection pressure across all load ranges,
• minimizing the risk of uneven cylinder operation,
• maintaining predictable vehicle behavior during acceleration and at constant speed.

Condition, Origin, and Benefits of Choosing a Used Audi Injector

The offered component is an original used Audi injector, meaning it retains its factory spray pattern geometry and fitment in the cylinder head. Choosing a used component of this caliber allows for:

• reducing the cost of fuel system repair while maintaining the original manufacturer's specifications,
• maintaining the consistency of the entire fuel system with other factory components,
• restoring proper engine operation without the need for a costly replacement of the entire injector set.

Prior to installation, standard fuel system diagnostics and verification of injection operating parameters on a service bench are recommended to match it to the current engine condition.

Diesel Injector Diagnostics and Operation

In cases of symptoms such as difficulty starting a warm or cold engine, power loss, increased smoke, or uneven idling, it is advisable to check the condition of the injectors. Detailed information on typical symptoms and the consequences of neglecting these components can be found in the article Diesel Injector Failures – How to Recognize Them and What Their Neglect Entails, which discusses the diagnostics and operation of injection systems in diesel engines.

If you are interested in a broader overview of the used parts market, it is also worth consulting the guide Best Used Car Parts – A Guide to the Most Frequently Chosen Original Parts, which helps in making informed choices for components for popular car models.

Summary

The Audi A4 B8 A5 8T Q5 8R 2.0 TDI Diesel Fuel Injector is a functional fuel system element designed for 2.0 TDI diesel engines. A properly selected injector nozzle allows for the restoration of correct engine operating parameters, improved running smoothness, and reduced fuel consumption, making it a sensible choice for fuel system servicing in Audi vehicles.