Land Rover Discovery 4 L319 Fuel Flap Tank Cover Lock Actuator Linkage FSG500030

The Land Rover Discovery 4 L319 Fuel Filler Flap Actuator is an original part from the Fuel Filler Caps & Accessories category, designed for precise control of the filler flap's closure. The used actuator ensures a factory fit for the Discovery 4 L319 body, maintaining correct integration with the vehicle's electrical system and the fuel filler lock mechanism.

Specifications and technical data

• SKU: FSG500030
• Mark: Land Rover
• Condition: Used
• OEM Part Number: FSG500030
• Substitutable numbers: FSG500030, 5H329C070BB, 5H32-9C070-BB, A2C53110933
• Part type: Fuel Door Latch
• Category: Fuel Flaps & Components

Purpose and Function of the Fuel Filler Flap Actuator

The fuel filler flap actuator in the Discovery 4 L319 model is responsible for the controlled opening and closing of the flap in response to a signal from the central locking system or a control button. A properly functioning unit:

• ensures secure access restriction to the fuel filler when the vehicle is locked,
• eliminates the risk of accidental flap opening while driving,
• maintains the correct positioning of the flap relative to the body,
• supports the seal around the filler neck, reducing the ingress of contaminants.

By retaining the original geometry and mounting points, the fuel filler flap actuator for Land Rover Discovery 4 L319 allows for installation without altering the body structure.

Compatibility and Fitment for Land Rover Discovery 4 L319

This part has been specifically designed for the Discovery 4 L319 platform, which translates to:

• compatibility with the factory fuel filler flap lock,
• proper connection to the vehicle's electrical system,
• appropriate length and stroke of the operating rod,
• stable mounting at the original body points.

Its original Land Rover origin promotes consistency with other body and fuel system components, and also simplifies diagnostics during subsequent inspections.

Benefits of Using an Original Actuator

Using a dedicated fuel filler flap actuator in the Discovery 4 L319 offers a range of practical operational benefits:

• Stable Mechanism Operation – correct response to central locking signals, without delays or jamming.
• Reduced Electronics Strain – matched electrical parameters minimize load on the system.
• Hassle-Free Installation – no need for wiring or mounting modifications.
• Consistency with factory service procedures – easier diagnostics at a Land Rover specialist workshop.

A used part allows for cost-effective repair while maintaining the original design of the fuel filler flap opening system.

Part Condition and Application in Service Practice

The actuator is a used part, enabling a cost-effective restoration of the fuel filler flap opening system's functionality in the Land Rover Discovery 4 L319. This type of component is particularly useful in situations where:

• the flap does not open or lock after the vehicle is locked,
• the mechanism makes unusual noises during operation,
• errors related to the fuel filler lock system occur.

Actuator replacement is a standard service operation that can be performed at a Land Rover specialist workshop, following typical body panel removal procedures.

Technical Support and Fuel System Component Selection

When planning work on the Discovery 4 L319 fuel system – covering both the filler area and further components – it is advisable to consult reliable technical resources. Detailed information on diagnostics, selection by identification numbers, and operation can be found in the article Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair, which helps to organize service knowledge.

If you are modernizing or repairing the fuel filler area on your Land Rover and also need other components related to the flap mechanism, lock, or filler accessories, check the available parts in the Land Rover Fuel Filler Caps & Accessories category.