Audi A1 8X Fuel Feed Supply Hose Pipe Tube Line 1.4 TSI Petrol 03C133723CS

Audi A1 8X Fuel Feed Supply Hose Pipe Tube Line 1.4 TSI Petrol is an original component from the Lines, hoses and pipes group, designed for the fuel supply system of a petrol engine. Designed by the vehicle manufacturer, it ensures stable fuel delivery and maintains the factory operating parameters of the 1.4 TSI unit.

Specifications and technical data

• SKU: 03C133723CS
• Mark: Audi
• Condition: Used
• OEM Part Number: 03C133723CS
• Substitutable numbers: 03C133723CS, 03C 133 723 CS
• Fuel type: Petrol
• Part type: Hose
• Category: Hoses, Lines & Pipes

Purpose and function in the fuel system

The presented fuel feed supply hose is a component responsible for the safe delivery of petrol to the injection system in the Audi A1 8X with a 1.4 TSI engine. The properly selected diameter and construction of the hose allow for maintaining the correct operating pressure, which translates into smooth engine operation and stable throttle response. Thanks to the factory fitment for the specific engine unit, the hose works with other fuel system components without the need for modifications, which reduces the risk of leaks and operational issues.

Benefits of using an original Audi hose

Using an original fuel hose in the Audi A1 8X provides a number of practical advantages, important both from the point of view of durability and safety:

• factory fitment for the 1.4 TSI petrol engine supply system,
• maintenance of correct fuel flow across the entire load range,
• reduced risk of leaks thanks to the proper profile and connectors,
• consistency with the original engine bay architecture. Choosing such a component allows you to maintain the engine unit's operating parameters at a level close to factory specifications, which is particularly important for precise injection systems in petrol engines.

Component condition and installation aspects

The fuel feed supply hose is offered as a used part, which allows for an economical repair of the supply system while maintaining the original design. The component comes from dismantling, thanks to which it retains its factory routing shapes in the engine bay and compatibility with standard mounts. During installation, it is recommended to:

• check the condition of connectors and seals in the vehicle,
• thoroughly clean the connection ports,
• check the system for leaks after starting the engine. Such an approach minimizes the risk of subsequent leaks and facilitates trouble-free vehicle operation after replacing the hose.

Fuel system optimization in the Audi A1 8X

In petrol engines, it is particularly important to maintain a clean and sealed fuel flow path. Replacing a worn or damaged hose with an original component from the Lines, hoses and pipes group helps to reduce pressure drops, starting problems, and uneven engine operation. This is a practical solution for users who want to restore correct supply parameters without interfering with the vehicle's design. 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 fuel lines, vacuum hoses, or supply system pipes, check the available parts in the Audi lines, hoses and pipes category. To better understand the relationship between the condition of components and driving comfort and safety, it is worth reading the guide on the operation of the suspension, shock absorbers, control arms, and stabilizers – you will find practical tips in the article Suspension system – a comprehensive guide to shock absorbers, control arms, and stabilizers.