Audi A5 8T 3.0 TDI CCWA Diesel Fuel Line Pipe Return Overflow Hose 059130218Q

Audi A5 8T 3.0 TDI CCWA Diesel Fuel Line Pipe Return Overflow Hose is an original fuel system component designed for diesel engines, responsible for the safe return of fuel from the injectors. Thanks to its precise fit for the 3.0 TDI CCWA unit, it ensures stable operation of the fuel system and helps maintain correct injection parameters. This is a practical service solution for Audi owners who want to maintain the factory performance characteristics of their engine.

Specifications and technical data

• SKU: 059130218Q
• Mark: Audi
• Condition: Used
• OEM Part Number: 059130218Q
• Substitutable numbers: 059130218Q, 059 130 218 Q
• Fuel type: Diesel
• Category: Fuel Pumps & Sending Units

Purpose and function in the fuel system

The presented overflow hose is a component from the Fuel pumps and level sensors category, working in conjunction with the diesel engine fuel supply system. It is responsible for draining excess fuel from the injectors to the return circuit, which stabilizes pressure in the fuel rail and limits the risk of fuel overheating. A properly selected overflow hose helps maintain uniform operation of all cylinders and improves the engine's overall performance.

Benefits of using an original overflow hose

Using an original overflow hose in an Audi A5 8T 3.0 TDI CCWA translates into a number of practical operational benefits:

• Factory fit to the engine geometry and accessories, which facilitates installation and minimizes the risk of leaks.
• Stable fuel drainage from the injectors, supporting the proper operation of the high-pressure pump.
• Reduction of the risk of air entering the fuel system and problems with starting a warm engine.
• Consistency with the factory configuration of the 3.0 TDI unit, which facilitates diagnostics and further maintenance.

Product characteristics and condition

The overflow hose comes from the Audi range, which means it maintains the original material and design specifications intended for the diesel engine. The item is offered as a used service component, which allows for an economical repair of the fuel system while maintaining compliance with factory solutions. This type of part is particularly useful when replacing a damaged or leaking hose that may cause fuel leaks or pressure drops.

Professional application in diesel service

In the case of diesel units, the correct selection of fuel system components is crucial for the durability of the injectors and the pump. This overflow hose is designed to work with Diesel fuel, ensuring it meets the requirements for chemical and thermal resistance under typical operating conditions of the 3.0 TDI engine. It can be used both for standard replacement of worn parts and for broader service work related to fuel system regeneration.

If you are planning a comprehensive repair or upgrade of the fuel system area in your Audi and need other elements from the same group, such as supply lines, fuel return elements, or components working with the pump, check the available parts in the Audi fuel pumps and level sensors category.

Technical support and selection by part numbers

When working with a diesel fuel system, it is particularly important to correctly match components to the specific engine version and installed accessories. Manufacturer markings and reference numbers are helpful in selecting parts, allowing you to verify the compatibility of the overflow hose with a given Audi A5 8T 3.0 TDI CCWA configuration. For users and mechanics who want to deepen their knowledge of diagnostics and fuel system operation, the following article will be useful: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

Summary

Audi A5 8T 3.0 TDI CCWA Diesel Fuel Line Pipe Return Overflow Hose is a practical choice for those who want to restore the proper operation of the fuel system in a diesel engine while maintaining factory design solutions. Its original origin, fit for the 3.0 TDI unit, and design for use with Diesel fuel make it a solid foundation for professional repair and further, predictable vehicle operation.