Audi RS3 8P RSQ3 TTRS Fuel Distributor Rail 2.5 TFSI Petrol 07K133317K

Audi RS3 8P RSQ3 TTRS Fuel Distributor Rail 2.5 TFSI is an original fuel system component designed for high-performance Audi models equipped with the 2.5 TFSI five-cylinder engine. The rail ensures stable fuel distribution to the injectors, which translates into precise mixture dosing and repeatable engine performance. This solution is engineered to withstand the high-load conditions characteristic of RS versions.

Specifications and technical data

• SKU: 07K133317K-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 07K133317K
• Substitutable numbers: 07K133317K, 07K 133 317 K, 07K 133 317 AA, 07K133317AA
• Fuel type: Petrol
• Part type: Sensor
• Category: Air Intake & Fuel Sensors

Purpose and role in the fuel system

The fuel distributor rail in the 2.5 TFSI engine is responsible for evenly distributing gasoline to individual cylinders, maintaining the correct operating parameters of the injection system. In vehicles such as the Audi RS3 8P, RSQ3, or TTRS, this is crucial for maintaining stable power, rapid throttle response, and consistent performance under heavy load. A properly selected rail minimizes the risk of fuel pressure drops and supports the correct operation of the engine control unit.

Technical parameters and compatibility

The presented rail belongs to the Air and fuel intake sensors group, meaning it works in conjunction with components responsible for monitoring fuel and air flow in the engine. It has been designed for use with a gasoline engine, making it adapted to the characteristics of petrol fuel – both in terms of material resistance and pressure requirements within the injection system. Thanks to the original Audi design, the rail retains factory mounting points and connection geometry, which facilitates installation in the engine bay and reduces the risk of leaks. The presence of dedicated part numbers and interchangeable numbers (visible in the specification) allows for precise verification of compatibility with a specific 2.5 TFSI engine version.

Benefits of using an original fuel distributor rail

Using an original fuel distributor rail in high-performance Audi models offers a number of practical benefits:

• Factory fitment – maintaining the original geometry and connections facilitates installation and integration with the existing fuel system.
• Stable injection system operation – even fuel supply to the injectors helps maintain the correct air-fuel mixture across the full load range.
• Consistency with engine electronics – the rail works with the factory ECU, helping to avoid adaptation issues and diagnostic errors.
• Operational safety – the design, intended for high fuel pressure operation, limits the risk of leaks and uncontrolled performance drops.

Component condition and service application

The fuel distributor rail is offered as a used part, making it an attractive solution for repairs and upgrades where the cost-to-functionality ratio is important. This type of part is suitable both for replacing a damaged rail after a fuel system failure and for assembling accessories for a project based on the 2.5 TFSI engine, where maintaining the original fuel system architecture is essential. Before installation, a standard service procedure is recommended: checking the tightness of connections, verifying the condition of injector seats, and checking the mounting alignment relative to the cylinder head. A properly prepared rail allows for maintaining engine performance parameters at a level close to factory specifications.

Technical support and additional information

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other elements from the same group, such as components responsible for air flow measurement, fuel path elements, or related sensors, check the available parts in the Audi air and fuel intake sensors category. When selecting used fuel system and electronic components, it is worth paying attention to the compatibility of markings and the history of the subassembly – you will find practical tips in the article The second life of electronics – when is it worth choosing used engine controllers, comfort modules, and parking sensors?, which helps you make an informed approach to choosing used components in modern cars.