Audi S6 C7 Fuel Injection Rail Left N/S 4.0 TFSI Petrol 079133315BP

Audi S6 C7 Fuel Injection Rail Left N/S 4.0 TFSI Petrol is an original fuel system component designed for the 4.0 TFSI petrol engine on the left side. This solution is created to maintain stable injection parameters, which translates into smooth engine operation and predictable vehicle performance. Using an OEM component allows for an economical yet technically correct repair of the fuel injection system in the Audi S6 C7.

Specifications and technical data

• SKU: 079133315BP
• Mark: Audi
• Condition: Used
• OEM Part Number: 079133315BP
• Substitutable numbers: 079133315BP, 079 133 315 BP
• Location on the vehicle: Left
• Fuel type: Petrol
• Part type: Fuel Rail (Ramp)
• Category: Additional Fuel Injection Parts

Purpose and function of the fuel injection rail

The fuel injection rail in the 4.0 TFSI engine is responsible for distributing fuel to the injectors and maintaining the proper operating conditions within the petrol supply system. The component mounted on the left side of the engine works with other injection system parts, ensuring:

• stable fuel supply to the cylinders at the correct pressure,
• proper cooperation with engine accessories,
• consistency with the factory architecture of the 4.0 TFSI unit. By maintaining the original geometry and connections, the rail is perfectly matched to the specific spatial layout of the Audi S6 C7 engine bay, which facilitates installation and reduces the risk of leaks.

Compatibility and fitment for Audi S6 C7

The left fuel injection rail has been designed to work with the 4.0 TFSI petrol engine in the C7 generation Audi S6. This means maintaining factory mounting points, proper fuel line routing, and compliance with the engine control unit's operating parameters. In practice, this translates into:

• easier identification and selection of parts by OEM number,
• no need for modifications to the fuel system,
• preservation of the original characteristics of the injection system. Using an OEM element is particularly beneficial for repairs where maintaining compliance with factory specifications is crucial without incurring the costs of new components.

Characteristics of operation with petrol fuel

The 4.0 TFSI engine is an advanced petrol unit where the injection system operates under demanding pressure and temperature conditions. Using a dedicated fuel injection rail on the left side helps maintain:

• proper fuel distribution within the given engine section,
• consistency of injection parameters between individual cylinders,
• stability of operation during dynamic load changes. For the user, this means more predictable throttle response, better engine refinement, and a reduced risk of fuel supply issues resulting from mismatched aftermarket replacements.

Condition, verification, and use in repairs

The offered fuel injection rail is a used component, which allows for cost optimization while maintaining original build quality. This type of component is particularly useful in situations where mechanical damage or leaks have occurred within the fuel system on the left side of the engine. Before installation, it is recommended to perform a standard check of tightness and the condition of connections, in accordance with service procedures for petrol injection systems. If you are planning a comprehensive repair or upgrade of your Audi's engine area and need other elements from the same group, such as fuel lines, injectors, or additional rails, check the available parts in the Other Audi fuel system parts category.

Support with selection and preparing the car for the season

When working with the injection system, it is particularly important to correctly match parts by OEM number and technical parameters. To make it easier to verify compatibility with a specific version of the Audi S6 C7, it is worth using the practical tips included in the guide on how to choose the right car part by VIN and OEM number, where the compatibility checking process is described step by step. If you are preparing your car for intensive use in lower temperatures and want to ensure that the petrol supply system and other components are in proper condition, the article Winter essentials: which used car parts are worth checking and replacing before the frost?, containing checklists and practical service tips, will be helpful.