Performance Overview

Keep your cargo area protected with WeatherTech's Cargo Liners. WeatherTech digitally measures and cuts the Cargo Liner to the exact specification of your vehicles cargo area to offer complete cargo area protection. The elevated sides keep any dirt and grime away from your vehicle's cargo area while the channels keep your cargo away from the dirt or liquid trapped in the channels. WeatherTech Cargo Liners are made from a custom blended TPE that is damage resistant, keeps flexibility even in extreme temperature, and has a textured finish to keep cargo from sliding around. WeatherTech's Cargo Liner will keep you cargo area looking new all-year round.

Key Features

• Keep your cargo area protected with WeatherTech's Cargo Liners.
• WeatherTech digitally measures and cuts the Cargo Liner to the exact specification of your vehicles cargo area to offer complete cargo area protection.
• The elevated sides keep any dirt and grime away from your vehicle's cargo area while the channels keep your cargo away from the dirt or liquid trapped in the channels.
• WeatherTech Cargo Liners are made from a custom blended TPE that is damage resistant, keeps flexibility even in extreme temperature, and has a textured finish to keep cargo from sliding around.
• WeatherTech part number 421478SK.

Vehicle Fitment

• 2021 Toyota Sienna — Position: Behind Third Row; Fitment Precision: LE, LIMITED, PLATINUM, XLE, XSE
• 2022 Toyota Sienna — Position: Behind Third Row; Fitment Precision: LE, LIMITED, PLATINUM, WOODLAND EDITION, XLE, XSE
• 2023 Toyota Sienna — Position: Behind Third Row; Fitment Precision: 25TH ANNIVERSARY EDITION, LE, LIMITED, PLATINUM, WOODLAND EDITION, XLE, XSE
• 2024 Toyota Sienna — Position: Behind Third Row; Fitment Precision: LE, LIMITED, PLATINUM, WOODLAND EDITION, XLE, XSE
• 2025 Toyota Sienna — Position: Behind Third Row; Fitment Precision: LE, LIMITED, PLATINUM, WOODLAND EDITION, XLE, XSE

FAQ

Will this fit my vehicle?
Please verify your year, make, model, position, and any fitment notes using the compatibility list above before purchase.

What part number is this?
The listed part number is 421478SK.

Is this product designed for direct replacement?
Yes. This product is intended to match compatible vehicle applications listed in the fitment section.

Should I confirm fitment before ordering?
Yes. Always compare your original part, position, and vehicle details with the fitment chart before ordering.

Common Searches

• Cargo Liner for Toyota Sienna
• 421478SK fitment
• WeatherTech Cargo Liner
• Behind Third Row Cargo Liner
• 2021 Toyota Sienna Cargo Liner

Vehicle Fitment Table