Jaguar XF X250 Fuel Pump Locking Nut Tank Bracket Closure Ring 4L2U-9C385-AB

Jaguar XF X250 Fuel Pump Locking Nut Tank Bracket Closure Ring is an original component from the Fuel pumps and level sensors group, designed for securing the fuel module in the tank. Its precise geometry and factory fit ensure stable seating of the pump and a tight connection with the fuel basket, which is essential for the proper operation of the fuel supply system. Using an OEM component allows you to maintain a design consistent with the manufacturer's standards without the need for replacements with uncertain parameters.

Specifications and technical data

• SKU: 4L2U-9C385-AB
• Mark: Jaguar
• Condition: Used
• OEM Part Number: 4L2U-9C385-AB
• Substitutable numbers: 4L2U-9C385-AB, 4L2U9C385AB, 4461061, C2Z7352, 9X23-9C385-AA, 9X239C385AA, T4N12343, GX73-9C385-AA, GX739C385AA
• Part type: Fuel Pump
• Category: Fuel Pumps & Sending Units

Function and application in the fuel system

The fuel pump locking nut plays a key role in the mechanical fastening of the fuel pump module and the fuel level sensor in the tank. It is responsible for:

• maintaining constant pressure of the module against the tank seat,
• stabilizing the ring and pump basket during vehicle operation,
• reducing stress on fuel connections and lines. By maintaining the original design, the component works with the factory shape of the tank and the seal, which facilitates assembly and servicing of the system.

Benefits of using an original Jaguar component

For components in the Fuel pumps and level sensors group, it is essential to maintain proper rigidity and dimensions to avoid leaks and stress within the fuel module. The original ring bracket ensures:

• compliance with factory assembly tolerances in the Jaguar XF X250,
• proper distribution of clamping forces on the module seal,
• easier disassembly and reassembly during pump or level sensor service. A used OEM component is a sensible choice wherever fitment to a specific model and maintaining the original geometry of connections is important.

Component condition and assembly aspects

The product is in used condition, meaning it has been removed from a vehicle and may show signs of wear that do not affect its mounting function. Before installation, it is recommended to:

• inspect the thread for mechanical damage,
• check the contact surface for the fuel module seal,
• use an appropriate service wrench for tightening the ring to avoid deformation. The correct tightening torque and even pressure are important for maintaining the tightness of the fuel system and the proper operation of the pump.

Part selection and compatibility

To correctly select the fuel pump locking nut for a specific version of the Jaguar XF X250, it is worth verifying compatibility with the OEM part number and interchangeable numbers in the specification tab. This helps avoid assembly problems resulting from structural differences between individual fuel tank and pump module variants. If you are planning a comprehensive repair or upgrade of the fuel supply zone in your Jaguar and need other elements from the same group, such as pump modules, fuel baskets, or fuel level sensors, check the available parts in the Jaguar fuel pumps and level sensors category.

Safety and selection of used components

When working with the fuel system, it is particularly important to maintain tightness and ensure the correct assembly of all components. In the case of used parts, it is worth paying attention to their actual technical condition and how they are prepared for reinstallation. Additional tips on making an informed choice of original, used components can be found in the article Spider web on the windshield? Why it is better to choose a used original with the manufacturer's logo when replacing, which discusses a practical approach to selecting second-hand parts in the context of safety and quality.