The Audi A4 B8 3.2 FSI V6 Petrol Fuel Rail Left is a specialized fuel system component designed for V6 petrol engines in the Audi A4 B8 model. The precise construction of the fuel rail ensures stable fuel supply to the injectors, contributing to smooth engine operation and proper running of the engine.
Specifications and technical data
- SKU: 06E130089D
- Mark: Audi
- Condition: Used
- OEM Part Number: 06E130089D
- Substitutable numbers: 06E130089D, 06E 130 089 D
- Location on the vehicle: Left
- Fuel type: Petrol
- Category: Fuel Injectors
Purpose and Function in the Fuel System
The fuel rail is responsible for the even distribution of petrol to individual injectors, maintaining the correct operating pressure throughout the circuit. In the 3.2 FSI V6 engine, a properly functioning fuel rail is crucial for:
- stable idle operation – reducing misfires and engine vibrations,
- correct fuel metering – supporting precise mixture control in the FSI system,
- maintaining optimal performance – preserving factory power and torque parameters.
The component works in conjunction with the petrol injectors and control accessories, forming a cohesive fuel system tailored to the specifics of the 3.2 FSI unit.
Vehicle Placement and Configuration
The presented fuel rail is designed for the left side of the engine, in accordance with the cylinder arrangement in the V6 engine. Proper placement is important for:
- correct routing of fuel lines – following the factory installation path,
- clearance-free installation – maintaining clearances from the manifold, accessories, and body components,
- correct injector positioning – ensuring leak-free connections and proper injector angle.
By maintaining the original geometry, the fuel rail is compatible with factory mounting points and the fuel supply system in the Audi A4 B8.
Technical Characteristics and Compatibility
The fuel rail is designed to operate in a petrol system, typical for FSI engines. The construction is adapted to the operating pressure parameters used in this solution, allowing for:
- stable fuel pressure maintenance across the entire engine load range,
- compatibility with factory injectors used in the 3.2 FSI unit,
- compliance with factory engine control without the need for software modifications.
The product belongs to the injector nozzles group, meaning it is a component directly related to the precise delivery of fuel to the combustion chambers.
Condition, Origin, and Service Application
The offered fuel rail is an original Audi part from disassembly, in used condition. This type of part is a good choice in situations where:
- the original fuel rail has suffered mechanical damage (e.g., crack, leak),
- there are problems with even cylinder fueling, and diagnostics indicate a faulty fuel rail,
- an economical repair is necessary while maintaining components consistent with factory specifications.
Using an original disassembled component allows for maintaining the integrity of the fuel system with solutions intended by the vehicle manufacturer.
Technical Support and Additional Materials
When diagnosing fuel system problems, it is useful to know the typical symptoms of faulty injection components. An article discussing the symptoms and consequences of neglecting similar systems may be helpful, available here: diesel injector faults – symptoms, consequences, and diagnostics. Although it concerns diesel engines, many diagnostic principles remain similar when analyzing the operation of the injection system.
If you are looking for other components in the Audi injector nozzles category, check the available products in our catalog: Audi injector nozzles. This will allow you to easily select compatible components for your vehicle while maintaining brand and category consistency.
