Genuine Toyota Fuel Tank Cap Assembly 77310-48020 | OEM Toyota Part

Premium OEM Fuel Tank Cap Assembly for Toyota

This is a brand-new OEM Toyota fuel tank cap assembly, part number 77310-48020, presented in the genuine packaging. It’s designed to mirror Toyota’s original components, offering a familiar feel and dependable fit for drivers who value authenticity and craftsmanship.

Over time, the fuel system's exterior cap can endure exposure to heat, fuels, and handling. Replacing a worn or damaged cap with an authentic Toyota part helps maintain the intended interface with the fuel filler neck and can support a consistent sealing experience. While results can vary by vehicle and condition, choosing an OEM unit aligns with Toyota's engineering standards and component tolerances.

Key details

• OEM product
• Package Weight: 0.068 kilograms
• Package Dimensions: 6.35 L x 8.89 H x 7.62 W cm
• Made in China

What to expect in daily use

Using a genuine cap provides a familiar fit with the same engagement feel as the original component. If installed correctly, it may help maintain a proper seal at the fuel filler opening and support evaporation control across varying climates and fuel types. The OEM design matches the original thread geometry and seating profile, which can make the replacement straightforward for technicians or confident DIYers.

• Potentially supports consistent sealing and reduced vapor escape when installed properly
• Easy installation with familiar Toyota dimensions
• Durable materials designed for regular exposure to temperature changes and fuels
• Original packaging reflects brand integrity and product authenticity

Notes and considerations

This item is listed as a genuine product in Toyota’s packaging. The manufacturing origin is China, a common site for OEM production programs. If you are restoring authenticity or replacing a missing cap, this genuine option can help you maintain the visual and functional consistency of your fuel system.

Why choose genuine OEM parts

For buyers prioritizing authenticity, the 77310-48020 cap assembly provides a straightforward path to OEM fit and compatibility. It’s designed to slot into the existing fuel system with predictable torque and seating characteristics, supporting a smooth replacement process for qualified technicians and careful DIY enthusiasts alike.