Diono Radian 3R, 3-in-1 Convertible Car Seat, Rear Facing & Forward Facing, 10 Years 1 Car Seat, Slim Fit 3 Across, Jet Black
The Diono Radian 3R is the original slim-fit 3 across All-in-One convertible car seat, designed to protect from baby to booster seat (5 - 120 lb). Lovingly engineered with the famous Diono steel reinforced frame and now rear facing for even longer, expect 10 years of safety from just one car seat. Designed and engineered with complete rear facing protection, so you can keep them in a safe rear facing convertible car seat for longer up to 50 lb. Built with a mechanically engineered, reinforced steel frame, made from automotive grade high strength steel, the radian is always ready to shield and protect. And when your family grows, the slim-fit design will fit 3 across in most vehicles without compromising child safety or passenger comfort. Our SuperLATCH system (UAS Compatible) makes installation easy and super secure. As travel car seat experts, Diono have naturally built in super portable and convenient features to the Radian 3R with original fold for easy transport and storage and easy remove machine washable covers. The radian is also aircraft certified (FAA approved), so you can take safety with you wherever you go.
Price and availability captured 2026-08-21 and subject to change. The price shown on Amazon at the time of purchase applies.
0% above the 1-year average. Record low $199.99.
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Specifications, review intelligence and safety
- • 10 Years One Car Seat - from Birth to Booster (5 - 120 lb) it's all you will need. Grows with your child, ultimate protection on every road trip. 4 modes in 1 seat!
- • Rear Facing for Longer - lovingly engineered to keep your child rear-facing up to 50 lb.
- • Fits 3-Across - our famous slim-fit design with zero compromises to safety, space, or comfort.
- • Mechanically engineered from reinforced automotive grade high-strength steel, our unique core shell shields and protects your child.
- • High-quality ComfortPlus Memory Foam, always included.
- • The original and only all-in-one convertible car seat that folds for travel or compact storage. FAA approved for airline use.
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