Seat Leon 5F Ibiza Mk5 Fuel Injection Rail 1.5 TSI DADA DPBA 05E133320

The Seat Leon 5F Ibiza Mk5 Fuel Rail 1.5 TSI DADA DPBA is an original gasoline fuel supply system component, designed for 1.5 TSI engines in Seat Leon 5F and Ibiza Mk5 models. This used fuel rail, from the injector nozzles category, allows for an economical yet precise repair of the fuel system while maintaining the factory performance characteristics of the engine unit.

Specifications and technical data

• SKU: 05E133320-1
• Mark: Seat
• Condition: Used
• OEM Part Number: 05E133320
• Substitutable numbers: 05E133320, 05E 133 320, 04C906054C, 04C 906 054 C, 810PP03-04
• Part type: Fuel Injector
• Category: Fuel Injectors

Purpose and Function of the Fuel Rail

The fuel rail in a 1.5 TSI engine is responsible for evenly distributing fuel to the injectors and stabilizing pressure throughout the system. A correctly selected fuel rail ensures:

• stable fuel pressure across the full range of engine loads,
• precise mixture dosing by the injectors,
• proper operation of the 1.5 TSI unit in both city and highway driving.

Selecting a component compatible with DADA and DPBA engines is crucial for maintaining correct engine control unit operation and avoiding fuel supply system errors.

Benefits of Using an Original Seat Fuel Rail

An original fuel rail from the Seat group ensures a perfect fit with the factory fuel system without the need for modifications. In practice, this means:

• secure fitment with the cylinder head and 1.5 TSI engine ancillaries,
• compatibility with factory injectors and control ancillaries,
• retention of stock operating parameters without altering the ECU maps.

Choosing a used OEM part is particularly advantageous for repairs where both quality and cost control are important.

Component Condition and Application in Service Practice

This fuel rail is a used part, removed from a dismantled vehicle, which significantly reduces repair costs compared to a new component. This type of part is often chosen for:

• repairs after mechanical damage to the fuel system,
• diagnosing fuel supply issues in 1.5 TSI engines,
• restoring system completeness after modifications or previous incorrect repairs.

Thanks to its preserved factory geometry and connections, the fuel rail can be installed in place of the original part without additional mechanical adaptations.

Technical Support, Selection, and Savings

When selecting a fuel rail for a specific 1.5 TSI engine version, it is advisable to verify the engine codes (DADA, DPBA) and the configuration of the ancillaries to ensure full compatibility with the fuel system. If in doubt, catalog data and a comparison of the construction with the dismantled part can be helpful.

To better understand the role of the injection system in diagnostics and repairs, refer to the article describing the symptoms and consequences of high-pressure injection problems in diesel engines: diesel injector faults – symptoms, consequences, and diagnostics. Although it concerns diesel units, many principles regarding injection operation analysis and service approach remain similar.

With rising service costs, consider a conscious choice of used OEM parts – find out more about optimizing repair expenses in the guide: how to save on car service with used parts.

Other Seat Injector Nozzles

If you are also looking for other Seat injector nozzles for your car, check out the available products in our catalog: Seat injector nozzles. This will help you easily select compatible fuel supply system components within the same brand.