Seat Ateca FR 2.0 TDI Diesel Fuel Injection Rail 04L130089H

The Seat Ateca FR 2.0 TDI Diesel Fuel Rail is a precise component of the diesel engine's fuel system, designed specifically for TDI units. It is responsible for the stable distribution of fuel to the injector nozzles, which translates into smooth engine operation, proper combustion quality, and predictable performance in everyday use.

Specifications and technical data

• SKU: 04L130089H
• Mark: Seat
• Condition: Used
• OEM Part Number: 04L130089H
• Substitutable numbers: 04L130089H, 04L 130 089 H
• Fuel type: Diesel
• Category: Fuel Injectors

Purpose and Role in the Injection System

The fuel rail, in its version dedicated to the Seat Ateca FR 2.0 TDI, operates within a common rail system, ensuring the correct pressure and uniform distribution of diesel fuel to individual injector nozzles. A properly selected fuel rail helps maintain:

• stable diesel engine operating parameters across the full load range,
• correct fuel doses for each cylinder,
• consistent rail pressure, essential for efficient injection.

This allows the 2.0 TDI unit to maintain predictable dynamics, and the fuel system remains prepared to work with the engine control electronics.

Benefits of Using an Original Fuel Rail

Choosing a fuel rail that is structurally compatible with the FR 2.0 TDI version is crucial for the durability and safety of the engine unit. Using the correct component allows for:

• maintaining factory injection parameters without the need for fuel system modifications,
• proper cooperation with injector nozzles and pressure sensors,
• reducing the risk of uneven engine operation, power drops, or excessive smoke.

This solution is particularly important in diesel-powered vehicles, where fuel metering precision directly impacts the smoothness of operation, fuel consumption, and mechanical stress on components.

Component Characteristics and Fuel Type

The presented fuel rail works with a Diesel fuel supply system, meaning it is adapted to the high operating pressures typical of modern TDI units. The fuel rail's design is prepared for operation in a diesel fuel environment, considering:

• resistance to pressure changes in the common rail system,
• dimensional stability across a wide range of operating temperatures,
• precise placement of connectors supplying the injector nozzles.

This allows the component to be integrated into the existing fuel system without altering the mounting geometry or the routing of fuel lines.

Practical Application in Servicing

Replacing the fuel rail is recommended, among other situations, when there are problems maintaining rail pressure, control unit errors related to the injection system appear, or leaks are detected around the fuel rail. A correctly selected component helps reduce:

• the risk of injector nozzle damage due to incorrect fuel pressure,
• excessive load on the high-pressure pump,
• deterioration of combustion parameters, leading to increased emissions and fuel consumption.

For owners of the FR 2.0 TDI version, this is a practical way to restore proper fuel system operation while maintaining the characteristics intended by the manufacturer.

Related Injector Nozzles and Technical Knowledge

If you are looking for other components in the Seat injector nozzles category, check out the Seat injector nozzles available in our store to select a complete solution for your fuel system. When planning repairs or diagnostics of the injection system, it is also worth familiarizing yourself with practical tips regarding the symptoms and consequences of failures – you will find them in the article Diesel Injector Failures – How to Recognize Them and What Neglecting Them Entails, which discusses typical symptoms, possible consequences, and basic methods for verifying the condition of injectors.