Audi RS3 8V Fuel Injection Rail Line Pipe Petrol 2.5 TFSI 07K133317AB

The Audi RS3 8V fuel rail for 2.5 TFSI petrol engines is an original fuel system component designed for high-performance petrol engines. It ensures stable fuel supply to the injectors at the correct pressure, which translates to precise engine operation and predictable performance.

Specifications and technical data

• SKU: 07K133317AB
• Mark: Audi
• Condition: Used
• OEM Part Number: 07K133317AB
• Substitutable numbers: 07K133317AB, 07K 133 317 AB
• Fuel type: Petrol
• Category: Fuel Injectors

Purpose and Role in the Fuel System

The Audi RS3 8V fuel rail operates within the fuel system of the 2.5 TFSI petrol engine, distributing fuel to individual injectors. It is responsible for:

• even cylinder fueling under varying engine loads,
• fuel pressure stabilization across the entire RPM range,
• maintaining correct injector operation during dynamic driving conditions.

Thanks to its factory design tailored for the 2.5 TFSI unit, the rail works seamlessly with the engine's original equipment, preserving the parameters specified by the vehicle manufacturer.

Construction and Audi Compatibility

This component belongs to the injector nozzles category, forming a crucial part of the fuel line in a petrol engine. The rail's construction is prepared to work with injectors used in the sporty RS3 variant, ensuring:

• proper fuel delivery to each injector,
• system rigidity under high operating pressure,
• compatibility with original Audi engine components.

Being an original Audi part means preserved mounting geometry and connections, facilitating installation in place of a worn component without requiring modifications to the system.

Performance Parameters and Petrol Engine Application

The rail is designed for petrol engine fuel systems where maintaining the correct fuel pressure for direct injection is crucial. In practice, this results in:

• stable engine operation across the full RPM range,
• correct fuel metering by the injectors,
• maintenance of factory performance and characteristics of the 2.5 TFSI engine.

Replacing a worn or leaking fuel rail with a functional part can help reduce issues such as uneven engine running, power loss, or starting difficulties caused by improper fuel supply.

Condition, Installation, and Part Selection

The offered fuel rail is a used part, allowing for an economical repair of the fuel system while maintaining the original Audi construction. Before installation, a standard inspection of the fuel system and injectors is recommended to fully utilize the component's potential.

When selecting a fuel rail for a specific RS3 8V model, it is advisable to pay attention to:

• engine code compatibility (2.5 TFSI),
• compatibility with the installed injectors,
• consistency with the vehicle's existing fuel system.

Technical Support and Related Content

If you are looking for other components in the Audi injector nozzles category, check out our dedicated offer: Audi injector nozzles. You will find a wide selection of fuel system components tailored for various Audi models.

To compare symptoms of injector faults in other engine types, you can read our guide on the blog: diesel injector faults – symptoms, consequences, and diagnostics. This article helps to better understand the importance of a functional injection system for engine longevity and operational safety.