Ford Transit Mk7 Fuel Tank Filler Cap Assembly 4655815 2C1A-9K163-BA

Ford Transit Mk7 Fuel Tank Filler Cap Assembly is an original component from the Fuel filler caps and accessories group, designed for use in Ford vehicles. Engineered as an OEM part, it ensures proper sealing of the fuel tank neck, stable mounting, and compatibility with the factory fuel system design.

Specifications and technical data

• SKU: 4655815
• Mark: Ford
• Condition: Used
• OEM Part Number: 4655815
• Substitutable numbers: 4655815, 2C1A-9K163-BA, 2C1A9K163BA
• Part type: Fuel Door
• Category: Fuel Flaps & Components

Purpose and technical function

The fuel tank filler cap for the Ford Transit Mk7 is responsible for tightly sealing the filler neck, which limits fuel evaporation and protects the system from external contaminants. A properly selected component of this type supports the correct operation of the fuel system and helps maintain stable pressure conditions within the tank. As an OEM part from Ford, the cap has been designed for a precise fit with the factory filler neck, without the need for modifications or adaptations. As a result, installation is straightforward, and the risk of leaks due to poor fitment is reduced.

Construction and installation

The presented fuel tank filler cap is prepared for installation in place of the factory component, maintaining the original mounting geometry. The design is intended to work with the standard filler neck in the Ford Transit Mk7, allowing it to be used as a direct replacement for the factory cap. The component should be installed in accordance with the factory service procedure, paying attention to:

• correct seating of the cap in the filler neck,
• checking the smooth operation of the locking mechanism,
• verifying that the cap creates a stable and airtight seal once closed. This approach minimizes the risk of leaks and issues with fuel filler access during daily operation.

Condition and benefits of using a pre-owned part

The offered fuel tank filler cap is in used condition, which allows for cost savings while maintaining the manufacturer's original specifications. In practice, this means the ability to restore the proper functionality of the refueling system without the need to invest in a new OEM component. Using an original, pre-owned fuel filler cap is particularly beneficial for vehicles used intensively, such as Ford Transit commercial vans, where both durability and rational repair costs are important. A properly selected cap limits the risk of dirt and moisture entering the filler area, which is significant for the long-term reliability of the fuel system.

Selection by part numbers and vehicle compatibility

This cap model has an assigned OEM part number and corresponding interchangeable numbers, which facilitates precise identification and selection for a specific version of the Ford Transit Mk7. Verifying compatibility by part numbers is particularly important when purchasing fuel system components, where even minor design differences can affect sealing and installation accuracy. If you would like to learn more about the safe selection of fuel system components, it is worth reading our guide on purchasing used fuel system parts: fuel dosing problems and choosing a used injection pump and fuel rail. Additionally, when selecting parts by OEM numbers, our practical online shopping guide, which discusses methods for verifying component compatibility, may be helpful: how to safely check parts by OEM numbers when shopping online.

Complementary Ford fuel filler system components

If you are planning a comprehensive repair or upgrade of the fuel filler area in your Ford and need other items from the same group, such as additional caps, filler covers, or accessory security elements, check out the available parts in the Ford fuel filler caps and accessories category.