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Radian® 3QXT+ Infant Head Support


Refresh your Radian 3QXT+


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Additional 2-Year Warranty

Receive an additional 2-year warranty on all car seats and strollers purchased from

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Diono proudly offers free shipping on orders over $400

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1-2-1 Virtual Car Seat Fitting

Book a 1-2-1 virtual car seat fitting with a member of our car seat safety team.

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Radian® 3QXT+ Infant Head Support

Replacement Infant Head Support for the Radian® 3QXT+ All-in-one convertible car seat.

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