Seat Ateca FR 2.0 TDI Diesel Fuel Pipe Return Overflow Hose Line 04L130235P

Seat Ateca FR 2.0 TDI Diesel Fuel Pipe Return Overflow Hose Line is an original fuel system component designed for diesel engines in the FR version. This specialized line from the Lines, hoses and pipes group is responsible for the safe return of fuel from the injectors, stabilizing the operation of the power unit. Thanks to its factory origin, it ensures a proper fit to the injection system and maintains engine performance parameters.

Specifications and technical data

• SKU: 04L130235P
• Mark: Seat
• Condition: Used
• OEM Part Number: 04L130235P
• Substitutable numbers: 04L130235P, 04L 130 235 P
• Fuel type: Diesel
• Category: Hoses, Lines & Pipes

Purpose and function in the injection system

The fuel return line in the Seat Ateca FR 2.0 TDI model operates in the demanding environment of a high-pressure system. Its task is to drain excess diesel fuel from the injectors back to the fuel system, which allows for maintaining stable operating pressure and correct injection characteristics. In diesel engines, this has a direct impact on engine smoothness, dynamics, and fuel consumption.

A properly selected return line reduces the risk of leaks, pressure drops, and starting problems, and also helps maintain uniform fuel dosing across all cylinders. In the case of 2.0 TDI units, this is particularly important due to precise injection control and high requirements regarding flow quality.

Construction and fit for the Diesel engine

The component has been designed specifically for use with a diesel injection system, which means resistance to diesel fuel, appropriate flexibility, and connection tightness. The design of the line takes into account:

• routing in the engine compartment while maintaining the correct bending radius,
• stable connections to the fuel rail and injectors,
• operation at elevated temperatures and in the environment of engine vibrations.

Thanks to its factory origin, the line is matched to the geometry of the 2.0 TDI engine and the equipment of the FR version, which facilitates installation and minimizes the risk of material stress after installation.

Benefits of using an original line

Using an original fuel return line in the Seat Ateca FR 2.0 TDI allows for maintaining the fuel system's operating parameters in accordance with the manufacturer's specifications. Key advantages include:

• stable operation of the injection system thanks to the correct drainage of excess fuel,
• reduction of the risk of leaks and system aeration,
• better repeatability of fuel dosage under various engine loads,
• compatibility with factory mounts and 2.0 TDI unit equipment.

The used OEM component is a cost-effective solution that is technically consistent with the vehicle's original configuration. It allows for effective repair or replacement without the need to use substitutes with uncertain parameters.

Condition, installation, and service application

The line is offered as a used part, which in practice means the possibility of an economical repair of the fuel system while maintaining the original specification. Before installation, a standard visual inspection for any signs of operational wear and proper seating of the connectors in the injector sockets and other system components is recommended.

The component will work well both when replacing a damaged line and during broader service work within the diesel engine fuel system, e.g., during injector regeneration or upgrading the 2.0 TDI unit's equipment.

System expansion – related components

If you are planning a comprehensive repair or upgrade of the engine area in your Seat and need other components from the same group, such as supply lines, return hoses, or fuel pipes, check out the available parts in the Seat lines, hoses and pipes category.