VW Transporter T6.1 Audi A3 Fuel Injector Injection Nozzle 2.0 TDI 03L130277B

VW Transporter T6.1 Audi A3 Fuel Injector Injection Nozzle is an original fuel system component for Volkswagen diesel engines, designed for precise diesel fuel delivery. This used part from the Fuel Injector Nozzles category allows for a technical, cost-effective repair of the injection system in 2.0 TDI vehicles, consistent with factory specifications.

Specifications and technical data

• SKU: 03L130277B-1
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 03L130277B
• Substitutable numbers: 03L130277B, 03L 130 277 B, A2C9626040080
• Fuel type: Diesel
• Category: Fuel Injectors

Purpose and function of the fuel injector

The presented fuel injector operates in a Diesel fuel system, responsible for atomizing fuel under high pressure directly into the combustion chamber. A properly selected injector nozzle is crucial for:

• stable operation of the 2.0 TDI unit across the full load range,
• maintaining proper engine refinement,
• reducing smoke and excessive exhaust emissions,
• preserving factory power and torque parameters.

The appropriate atomization characteristics and compatibility with the factory engine control system make this injector the right choice for common rail system repairs in VW Transporter T6.1 and Audi A3 models with the 2.0 TDI unit.

Benefits of using an original injector nozzle

Using an original injector nozzle in a diesel engine provides measurable operational benefits. A component designed by the vehicle manufacturer ensures:

• correct fuel atomization parameters matched to ECU injection maps,
• consistency with the factory fuel system and engine accessories,
• restoration of proper cold and warm starting,
• reduction of the risk of rough idling and hesitation during acceleration.

For owners of VW Transporter T6.1 and Audi A3 vehicles with a 2.0 TDI engine, choosing an original injector nozzle is a way to perform a technically correct repair without the compromises associated with cheap replacements.

Condition, verification, and part selection

The offered injector is a used component, which allows for lower repair costs while maintaining the original design and operating parameters. Before installation, it is recommended to verify compatibility with the specific 2.0 TDI engine version and to check the fuel system for cleanliness and correct operating pressure.

For proper part selection, it is advisable to use the OEM number and interchangeable numbers visible in the product's technical specification. This allows for precise matching of the injector to the specific engine variant and avoids compatibility issues.

Diagnostics and operation of the injection system

A malfunctioning injector nozzle can cause starting difficulties, power loss, increased fuel consumption, or characteristic knocking during engine operation. To better understand the symptoms and consequences of neglecting injector faults, it is worth reading the article Diesel injector faults – how to recognize them and the risks of neglecting them, which discusses typical symptoms and diagnostic methods.

Volkswagen injector nozzles – expansion and system modernization

If you are planning a comprehensive repair or modernization of the engine area in your Volkswagen and need other components from the same group, such as additional injectors, nozzle tips, or mounting elements, check the available parts in the Volkswagen injector nozzles category.

If you are also collecting other used components for car repair and prefer a convenient "all-in-one place" approach, the guide Comprehensive supply: From the engine to the smallest clip – how to collect used car parts in one place?, which describes practical principles for selecting original used parts, may be helpful.