Diono Radian 3RXT Convertible Car Seat

Availability: This item may be available for custom order in store or online. Custom orders may take up to 1-3 weeks. Please contact us for more information.
Delivery time: Contact us at 504-407-2700 to place your custom order by phone or email info@zukababy.com


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The sleek slim design of the Diono Radian 3RXT allows for a 3 across fit or plenty of room for passengers....

Say hello to the Diono flagship product chosen by over a million parents to protect their little ones. The Diono Radian 3RXT all-in-one convertible seat provides enhanced safety for your child from birth to 10 years old- and every marvelous moment in between. 

The Diono Radian 3RXT all-in-one convertible car seat, lovingly engineered to always protect. your child's safety is Diono's top priority. At the Core of the Radian 3RXT is Diono's unique mechanically engineered dual spine fabricated from automotive grade high strength steel that provides an unyielding structure to protect and shield. Aluminum reinforced side walls, lined with energy absorbing EPS foam manages and dissipates energy, while memory foam and luxury padding puts your mind at ease as your little one travels safely in style and comfort. the reinforced adjustable head support provides additional side impact protection. and if you want to avoid those bulky car seats, look no further as the sleek slim design of the Diono Radian 3RXT allows for a 3 across fit or plenty of room for passengers. Diono has thought of everything, so you don't have to. 

The Radian 3RXT is built to withstand whatever may come your way on the road, and the washable covers help to endure the tests of baby and toddler life or whatever else life may throw at you. 




Joy of the journey: From birth, keep your little one rear facing longer to 45 lbs traveling safely. As they grow to 120 lbs (12 years approx.) our long-range lifespan protects your child facing forwards. Peace of mind for you, we’ve thought of everything so you don’t have to.

Three's not a crowd: slim and sleek design allows for a 3 across fit (in most family vehicles).

Solid Side Protection: Additional side impact protection with aluminum reinforced head support and energy absorbing EPS foam lining. 

Rear Facing Longer: keep your infant rear facing longer, the safest position to travel, up to 45lbs

All Aboard: Easy boarding low profile- it's the little things that make life simpler. 

Travel the world: super portable, folds flat with available carry straps for easy travel and transportation with ease, FAA approved for use on aircraft. 

Stylish and snug: modern, versatile seat cover in soft, premium fabrics lined with luxury foam for a comfortable ride everyday- it's absorbent, easy to remove and washable too!

First Class comfort: Inspired by the best European fashions, our radian® 3RXT has soft fabric covers and a memory foam seat base bottom. Lined with thick energy absorbing foam, comfort and safety go hand in hand. A tailored infant support cushion and a cup holder are included.

Proper fit: secure the littlest bundles of joy in our tailored soft head and body support- for their very first journey out in the world. 

Easy installation: SuperLATCH™system makes installation quick and easy with an audible click. Installations include a versatile top tether for both rear and forward-facing.

Longer life span: 10 year product life span from date of purchase. 

Free replacement: Diono will replace, free of charge, any registered car seats should it be in a vehicle involved in a collision. 


Product specifications:


Dimensions & Weights:

Open: Height- 28.5", Width- 17", Depth- 16"

Folded: Height- 28.5", Width- 17", Depth 10"

Product Testing Overview: Diono products are rigorously tested in an independently accredited test lab, above and beyond the required standards. Radian 3RXT complies with US: FMVSS 213

Care and Maintenance: Covers are machine washable. 



Award winning:

radian rXT wins Baby & Children's Product News Readers Favorite Award



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