Land Rover Discovery Sport L550 Fuel Tank Filler Cap Screw LR053665

Land Rover Discovery Sport L550 Fuel Tank Filler Cap Screw is an original component from the Fuel filler flaps and caps group, designed specifically for the structural requirements of the Land Rover brand. It maintains the tightness of the refueling system, supports the proper operation of the fuel tank, and helps reduce fuel evaporation, which is important for both safety and vehicle operation.

Specifications and technical data

• SKU: LR053665
• Mark: Land Rover
• Condition: Used
• OEM Part Number: LR053665
• Substitutable numbers: LR053665, 202123478, CPLA9030BD, CPLA-9030-BD, CPLA9030BA, CPLA-9030-BA
• Part type: Fuel Tank Cap
• Category: Fuel Tank Caps

Purpose and technical function

The fuel filler cap in the Discovery Sport L550 model is responsible for the controlled closing of the filler neck, ensuring stable operating conditions for the fuel tank. A properly selected element from this group minimizes the risk of contaminants entering the fuel system and limits unwanted fuel vapor emissions. In modern Land Rover designs, the correct cap is also important for proper interaction with the vehicle's diagnostic systems, which monitor the tightness of the fuel system. Using a dedicated component helps avoid controller memory errors related to filler leaks.

Compatibility and fit for Land Rover Discovery Sport L550

The presented cap is intended for use in the Land Rover Discovery Sport L550, which means that its geometry, mounting method, and sealing characteristics are adapted to the factory fuel filler neck of this model. As a result, the user gains:

• secure seating of the cap in the filler housing,
• proper adhesion of the sealing surfaces,
• compliance with the factory body and filler flap design. Proper fit is important not only for the convenience of daily refueling but also for maintaining stable fuel system performance in the long term.

Product characteristics and advantages of use

As an element from the Fuel filler flaps and caps group intended for Land Rover vehicles, the cap provides a solution consistent with the manufacturer's design assumptions. In practice, this means:

• maintaining the tightness of the filler neck under typical operating conditions,
• protection against the ingress of dirt, dust, and moisture into the filler area,
• stable operation within the temperature ranges typical for passenger car use. The product comes from the Land Rover brand offer, which helps maintain technical consistency with other fuel system components. For the user, this means predictable component behavior and a reduced risk of problems resulting from the use of random replacements with uncertain parameters.

Condition, service application, and selection based on technical data

The fuel filler cap in the presented configuration is a used item, which makes it an attractive option for vehicle maintenance when the priority is cost optimization while maintaining the original design. This type of component is particularly useful in situations where the existing cap has suffered mechanical damage, seal wear, or has been lost. Selecting the appropriate cap for the Land Rover Discovery Sport L550 should be based on the vehicle's technical data and the manufacturer's markings, which facilitates maintaining full compliance with the factory fuel system. A properly selected element helps avoid problems with refueling, leaks, or error messages related to the fuel system. For users who want to deepen their knowledge about the operation and maintenance of the fuel system, an article describing the diagnostics, selection, and operation of key components will be useful – detailed information can be found in the material Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration.

Service expansion within the Land Rover refueling system

If you are planning a comprehensive repair or upgrade of the fuel filler area in your Land Rover and need other elements from the same group, such as additional caps, flaps, or mounting elements, check the available parts in the Land Rover fuel filler flaps and caps category.