Seat Ibiza 6J Fuel Tank Reservoir Cap Cork Lid Top Petrol 1J0201553AQ

Seat Ibiza 6J Fuel Tank Reservoir Cap Cork Lid Top Petrol is a practical component of the refueling system, designed to securely seal the fuel filler neck and ensure stable operation of the fuel system. A properly selected cap limits petrol evaporation, protects against contaminants, and supports correct tank ventilation. By choosing this model, you gain factory-fit compatibility with the filler neck design and consistency with the original fuel tank geometry, which facilitates installation and daily use.

Specifications and technical data

• SKU: 1J0201553AQ
• Mark: Seat
• Condition: Used
• OEM Part Number: 1J0201553AQ
• Substitutable numbers: 1J0201553AQ, 1J0 201 553 AQ
• Fuel type: Petrol
• Part type: Fuel Tank Cap
• Category: Fuel Tank Caps

Purpose and function in the fuel system

The presented cap is a component from the Fuel filler flaps and caps group, responsible for tightly sealing the upper part of the petrol filler neck in the Seat Ibiza 6J model. Its tasks include:

• reducing fuel loss resulting from evaporation,
• protecting the interior of the filler neck and tank from dust, water, and other contaminants,
• maintaining proper operating conditions for the fuel system when running on petrol,
• ensuring correct pressure and ventilation within the tank area. Thanks to a design tailored to the specific vehicle model, the cap works with the factory thread and seal, which translates into stable performance during daily operation.

Compatibility and installation fit

The cap has been developed for use in Seat vehicles, particularly in the Ibiza 6J generation with petrol engines. This means that the component's geometry, mounting method, and seal profile are consistent with the manufacturer's factory requirements. To precisely verify compatibility with a specific equipment version, it is worth using manufacturer markings, such as the OEM part number and available interchangeable numbers. This allows you to avoid installation problems and guarantees that the cap will work with the existing fuel filler neck without the need for modifications.

Technical and performance characteristics

Due to the fuel type intended for the system, the cap is adapted to work in a petrol environment, which is important for the material's resistance to vapors and the durability of the seal. The component's design is optimized for:

• easy, repeatable tightening and loosening during refueling,
• maintaining a seal under typical road operating conditions,
• stable seating in the filler neck socket, without play or unwanted vibrations. The product comes from dismantling and has a specified condition, which makes it a reasonable choice for drivers looking for parts with factory fitment at a more favorable price than a new replacement.

Practical application and benefits of replacement

Replacing the fuel filler cap is recommended in situations where the existing component shows signs of wear, such as leaks, closing problems, or mechanical damage. Using a properly selected cap in a Seat Ibiza 6J allows you to:

• reduce the risk of contaminants entering the tank,
• limit the unpleasant smell of fuel around the vehicle,
• maintain proper fuel system operating conditions,
• preserve compliance with factory safety standards. For users who pay attention to technical repair correctness, it is important that the cap comes from the same design group as factory-installed elements, which promotes trouble-free operation.

Fuel system expansion and auxiliary materials

If you are planning a comprehensive repair or upgrade of the fuel system area in your Seat and need other elements from the same group, such as additional caps, flaps, or filler covers, check the available parts in the Seat fuel filler flaps and caps category. To better understand the role of the filler cap in the entire fuel supply path, it is worth referring to technical materials describing the operation of the tank, pumps, and injectors – a practical supplement may be the article "Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration", where you will find tips on diagnostics and component selection based on manufacturer markings.