Motorad MGC939T Fuel Tank Cap

Motorad MGC939T Tethered Fuel Tank Cap

The Motorad MGC939T is a standard replacement fuel tank cap for select Land Rover applications with tethered cap designs. Built with OEM-quality materials and emissions-focused sealing features, it helps maintain proper fuel system pressure while reducing evaporative loss.

Key Features

• Standard replacement fuel tank cap for tethered applications
• Round, black cap with twist-lock cam type and male thread design
• Constructed from rubber and plastic materials
• Pressure and vacuum relief valves help control fuel vapor evaporation
• Manufactured to meet state and federal emissions requirements
• Non-lockable, non-vented design with no indicator markings

Product Details

Motorad MGC939T is engineered as an OE-style fuel tank cap for Land Rover Defender 90, Defender 110, Defender 130, Discovery, Discovery Sport, Range Rover, Range Rover Evoque, Range Rover Sport, and Range Rover Velar models with tethered cap setups. The cap uses a standard replacement design with a twist-lock cam and male thread profile, and its sealing system is built to help limit fuel vapor escape while supporting proper tank pressure control. This part number, MGC939T, is a direct-fit style solution for drivers replacing a worn, damaged, or leaking cap on compatible Land Rover vehicles. This part cross-references LR049865 and LR092778 for the same application.

What It Helps Solve

• Fuel odor caused by a worn or leaking cap seal
• Evaporative emissions faults related to poor cap sealing
• Check engine light concerns tied to fuel vapor loss
• Pressure or vacuum retention issues in the fuel tank
• Replacement needs for tethered Land Rover fuel cap assemblies

Installation Notes and Tips

Verify the tethered cap style, thread diameter, and twist-lock cam design before installation. Confirm the vehicle application against the fitment list for your Land Rover Defender 90, Defender 110, Defender 130, Discovery, Discovery Sport, Range Rover, Range Rover Evoque, Range Rover Sport, or Range Rover Velar. After installation, ensure the cap seats fully and locks into place to maintain a proper seal.

Quality Assurance

Motorad manufactures this cap with OEM-quality materials and safety standards as an OE supplier. The MGC939T is designed to pass state and federal emissions requirements and uses pressure and vacuum relief valves to help reduce fuel evaporation.