E4 Safety Certified Seat Belt Extensions from the World’s Leading Brand
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Safety Certified
Rivian Seat Belt Extenders
Safety Certified • OEM Quality • World's Top Brand
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Choose your Rivian model - like the R1T or R1S - from the red drop-down.
Enter your vehicle details and select your seat belt extender's length, color, and style.
Can't find your model? Let us know in chat or here.
Enter your vehicle details and select your seat belt extender's length, color, and style.
Can't find your model? Let us know in chat or here.
Rivian belt extensions from Seat Belt Extender Pros click right into and lengthen the existing seat belt of your car. They also raise the seat belt receptacle for easier access. No tools are required for installation. Just click-and-go!
The safety of your family is crucial, so all Seat Belt Extender Pros extensions for Rivian vehicles are manufactured to the internationally recognized, high E4 and E8 safety specifications of 3-point seat belts.
We share your priorities of safety and savings. Save $5 when you buy 2 Rivian extenders and get $10 off when you buy 3 car seat belt extenders.