![Radian® 3RX all-in-one convertible car seat [Pink Blossom]](https://cdn11.bigcommerce.com/s-zoqnpughoc/images/stencil/350x350/products/255/2441/RX_Pink_Blossom__95407.1702305651.png?c=1 "Radian® 3RX all-in-one convertible car seat [Pink Blossom]")
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Compatible with Radian R Series
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Radian® 3R/3RX/3RXT/R100/R120/RXT/Rainier Rear-facing Base
Radian® 3R/3RX/3RXT/R100/R120/RXT/Rainier Rear-facing Base is only compatible with the following All-in-One convertible car seat models:
- Radian® 3R
- Radian® 3RX
- Radian® 3RXT
- Radian® R100
- Radian® R120
- Radian® RXT
- Rainier
Product Specs
Warranty Information
12 months
Plays well with
![Radian® 3RXT® SafePlus™ all-in-one convertible car seat [Red Cherry]](https://cdn11.bigcommerce.com/s-zoqnpughoc/images/stencil/350x350/products/267/3989/50103_Cutout__86164.1705067758.png?c=1 "Radian® 3RXT® SafePlus™ all-in-one convertible car seat [Red Cherry]")
Radian® 3RXT® SafePlus™
$469.99
Our best selling 3 Across All-In-One™ convertible car seat with SafePlus™ engineering
![[Yellow Sulphur]](https://cdn11.bigcommerce.com/s-zoqnpughoc/images/stencil/350x350/products/163/2337/14__77200.1622192867.png?c=1 "[Yellow Sulphur]")
Radian® 3RXT 2019 Replacement Cover
$159.99
Give your original 3 Across All-In-One™ convertible car seat a refresh
![Diono Radian 3RXT Car Seat Bonus Pack including Sun Stop Shade, Extra Cup Holder, Easy View Car Mirror, Stow N Go Car Seat Organizer, Ultra Mat Car Seat Protector and Baby on the Move Sign [Black Gray]](https://cdn11.bigcommerce.com/s-zoqnpughoc/images/stencil/350x350/products/257/3154/Radian_3RXT_Bonus_Pack___24572.1655374802.png?c=1 "Diono Radian 3RXT Car Seat Bonus Pack including Sun Stop Shade, Extra Cup Holder, Easy View Car Mirror, Stow N Go Car Seat Organizer, Ultra Mat Car Seat Protector and Baby on the Move Sign [Black Gray]")
Out of stock
![[Black Jet]](https://cdn11.bigcommerce.com/s-zoqnpughoc/images/stencil/350x350/products/166/2320/6__61264.1622191018.png?c=1 "[Black Jet]")
![[Black]](https://cdn11.bigcommerce.com/s-zoqnpughoc/images/stencil/350x350/products/162/2343/5__76145.1622193087.png?c=1 "[Black]")
Out of stock
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![[Black Jet]](https://cdn11.bigcommerce.com/s-zoqnpughoc/images/stencil/350x350/products/164/2332/1__88346.1622192499.png?c=1 "[Black Jet]")