Audi A3 8P 2.0 TDI Diesel Fuel Injector Rail Line Distributor 03L130089P

Audi A3 8P Fuel Rail 2.0 TDI Diesel is a fuel system component designed for diesel engines, responsible for stable fuel distribution to the injectors. A properly selected fuel rail allows for maintaining the correct operating parameters of the engine, which translates into smooth operation, dynamics, and operational safety.

Specifications and technical data

• SKU: 03L130089P
• Mark: Audi
• Condition: Used
• OEM Part Number: 03L130089P
• Substitutable numbers: 03L130089P, 03L 130 089 P, 057130764H, 057 130 764 H, 0281002859, 0 281 002 859
• Fuel type: Diesel
• Category: Fuel Injectors

Purpose and Role in the Injection System

The fuel rail for Audi A3 8P 2.0 TDI operates within a common rail system, where it is responsible for evenly distributing diesel fuel to individual injector nozzles. Maintaining the correct pressure in the rail is crucial for:

• stable operation of the diesel engine across the full RPM range,
• precise fuel metering by the injectors,
• reducing smoke and power loss resulting from improper fuel supply,
• protecting injection system components from overload and uneven stress.

The selection of the correct fuel rail directly impacts combustion parameters, fuel consumption, and the durability of the entire fuel supply system in a diesel engine.

Compatibility and Technical Specifications

The presented fuel rail belongs to the category of Injector Nozzles, however, in practice, it is the central element distributing fuel to the injectors in a diesel engine. The product is linked to a specific OEM part number and has assigned replacement numbers, which facilitates matching it to the correct engine configuration.

Factory markings allow for:

• verifying compatibility with a specific 2.0 TDI engine version,
• checking interchangeability with other references used within the VAG group,
• reducing the risk of installing an incorrect component in the injection system.

The fuel rail is designed to work with Diesel fuel, meaning its construction is adapted to the high operating pressures typical of modern diesel engines.

Product Characteristics and Condition

The offered Audi fuel rail comes from the used parts segment. This type of component is often chosen as an economical solution for injection system repairs, especially when maintaining compliance with the vehicle's factory specifications is important.

The main advantages of using an original fuel rail include:

• factory fit for the 2.0 TDI unit without the need for modifications,
• maintaining the original operating characteristics of the injection system,
• possibility of diagnostics and servicing according to manufacturer procedures,
• easy identification in parts catalogs thanks to assigned markings.

Choosing a used component of this type is particularly beneficial for repairs where maintaining correct engine operation at reasonable service costs is crucial.

Importance of a Functional Fuel Rail for Diesel Injectors

A properly functioning fuel rail directly impacts the lifespan of injector nozzles. Incorrect pressure or disruptions in fuel distribution can lead to:

• uneven engine operation at idle and under load,
• increased fuel consumption and performance drop,
• accelerated wear of injectors and associated components.

If you want to better understand how injection system problems manifest, it is worth reading the article: diesel injector faults – symptoms, consequences, and diagnostics, which thoroughly discusses the consequences of neglecting this area.

Selection of Other Audi Injection System Components

For comprehensive fuel system servicing, it is worth considering the replacement or inspection of other components from the same group. If you are looking for other Audi injector nozzles, check out the Audi injector nozzles available in our store to select components consistent with your engine's parameters.