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![[Blue]](https://cdn11.bigcommerce.com/s-nnd2r2nrxo/images/stencil/500x659/products/183/4818/9__88310.1611680518.png?c=1)
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![[Plum]](https://cdn11.bigcommerce.com/s-nnd2r2nrxo/images/stencil/500x659/products/183/4820/12__34046.1611680519.png?c=1)
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![Monterey® 4DXT Expandable Booster Seat [Yellow Sulphur]](https://cdn11.bigcommerce.com/s-nnd2r2nrxo/images/stencil/350x350/products/181/2804/4DXT_Yellow__78158.1668333638.png?c=1 "Monterey® 4DXT Expandable Booster Seat [Yellow Sulphur]")
![[Black]](https://cdn11.bigcommerce.com/s-nnd2r2nrxo/images/stencil/1280x1280/products/183/4816/8__04649.1611680518.png?c=1)
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![[Plum]](https://cdn11.bigcommerce.com/s-nnd2r2nrxo/images/stencil/1280x1280/products/183/4820/12__34046.1611680519.png?c=1)
![[Red]](https://cdn11.bigcommerce.com/s-nnd2r2nrxo/images/stencil/1280x1280/products/183/4819/13__46835.1611680519.png?c=1)
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Monterey® 4DXT 2019 Main Cover
Product Specs
Warranty Information
12 months
Plays well with
![[Black]](https://cdn11.bigcommerce.com/s-nnd2r2nrxo/images/stencil/350x350/products/184/4813/1__56448.1611680390.png?c=1 "[Black]")
![[Heather]](https://cdn11.bigcommerce.com/s-nnd2r2nrxo/images/stencil/350x350/products/408/7425/17421-CA-01-Diono_MontereyXT_Heather_Grey__39121.1669049245.png?c=1 "[Heather]")
Out of stock
![[Black]](https://cdn11.bigcommerce.com/s-nnd2r2nrxo/images/stencil/350x350/products/431/8187/15610_cutout__50460.1673343612.png?c=1 "[Black]")
![[Black]](https://cdn11.bigcommerce.com/s-nnd2r2nrxo/images/stencil/350x350/products/432/8192/4DXT_Black__12387.1673343833.png?c=1 "[Black]")
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Radian® 3R®/RX 2019 Replacement Cover
$109.99
Give your original 3 across All-in-One convertible car seat a refresh
![[Black Jet]](https://cdn11.bigcommerce.com/s-nnd2r2nrxo/images/stencil/350x350/products/232/3137/Radian_3RRX_2020_Replacement_Cover_Black_Jet__79879.1610654632.png?c=1 "[Black Jet]")
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Radian® 3RXT® 2019 Replacement Cover
$129.99
Give your original 3 across All-in-One convertible car seat a refresh
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