Product Dimensions | 16 x 17 x 28.5 inches |
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Item model number | 50150 |
Minimum weight recommendation | 5 Pounds |
Maximum weight recommendation | 100 Pounds |
Minimum height recommendation | 18.1 Inches |
Maximum height recommendation | 57.5 Inches |
Material Composition | 100% Polyester |
Style | Radian 3RXT SafePlus Max |
Number of reclining positions | 12 |
Batteries required | No |
Orientation | Convertible |
Rear-facing minimum child weight | 5 Pounds |
Rear-facing maximum child weight | 50 Pounds |
Forward-facing minimum child weight | 26 Pounds |
Forward-facing maximum child weight | 65 Pounds |
Harness type | 5-Point |
Item Weight | 31.9 pounds |
Country/Region of origin | China |

Diono Radian 3RXT SafePlus Max Rear and Forward-Facing Convertible Car Seat, 2-in-1 Anti-Rebound Bar and Calf-Support, 10 Years 1 Car Seat, Slim Fit 3 Across, Black Storm
$350
Product Description:
From the brand
NEW ARRIVALS
BEST SELLERS
HIGH BACK BOOSTERS
BACKLESS BOOSTERS
10 Years 1 Car Seat – From birth to booster (4-120 lb.) it’s all you will need. Grows with your child with ultimate protection on every road trip. Complete with 4 modes in 1 seat!
SafePlus Engineering – Allows for rear-facing up to 50 lb., with 3 modes of newborn protection, and 2-in-1 anti-rebound bar and calf support to reduce rebound rotation.
Fits 3-Across – Our famous slim-fit design with SafePlus 8-layer side impact protection and zero compromises to safety, space, or comfort.
Reinforced Automotive Grade High-Strength Steel Core – Complete with multi-position calf support, our unique core shell shields and protects your child.
Convenience & Comfort – One hand easy-adjust 12-position headrest and memory foam, washable seat cover for busy families on the go.
Product Summary:
Customers say
Customers find the car seat to be well-built, with good quality materials that will last through the booster stage, and appreciate its ability to fit 3 across in small spaces. The car seat receives positive feedback for its comfort, safety features, and overall quality, with customers loving its color and appearance. While some customers find it easy to install, others report unclear instructions, and customers disagree on whether the seat is bulky.
AI Generated from the text of customer reviews
Item Details:
Technical Details
Additional Information
ASIN | B0DHSSZ9VD |
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Customer Reviews |
4.4 out of 5 stars |
Best Sellers Rank |
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Warranty & Support
Products Reviews:
Reviewer: Mallery
Rating: 5.0 out of 5 stars
Title: Absolute Lifesaver
Review: The Diono Radian 3RXT 4-in-1 car seat is an absolute game-changer for parents. This car seat is a true gem, and it’s no exaggeration to give it a 5-star rating.First and foremost, the safety features are top-notch, providing peace of mind that every parent craves. The 4-in-1 design means it grows with your child, saving you money and hassle in the long run. It’s incredibly versatile, accommodating various stages of your child’s growth.Installation is straightforward, and the slim design is perfect for fitting multiple car seats in the back. The fabric is easy to clean, which is a huge plus when dealing with little mess-makers.In short, the Diono Radian 3RXT 4-in-1 car seat is worth every penny. It’s a reliable, durable, and versatile investment in your child’s safety and comfort, making it a clear 5-star choice for any parent.
Reviewer: Elizabeth Guillen
Rating: 5.0 out of 5 stars
Title: Space saver! Toddler approved!
Review: Love the car seat! My husband and I have used the evenflo 360 revolve gold since my daughter turned 1. She’s 3 going on 4 and we have a baby boy now who will inherit her revolve 360 seat. We decided to look for a car seat that was easy for my toddler to get in on her own without having to carry her into the seat and a car seat that was a space saver. This one did the trick it’s so much leaner and easy to adjust the buckles. My daughter does it on her own compared to her old one. What I will say is I don’t move the car seat at all so weight wise I wouldn’t be able to comment but when installing it wasn’t super heavy but it felt super sturdy. My only complaint is the cup holder wish it was built in but I understand it’s detachable to save space but works well! My husband didn’t have any issues with installation of the car seat he said it was straight forward for forward facing. One last thing my daughter’s head doesn’t hang when asleep it’s very rare compared to her revolve 360 that would occur always.
Reviewer: Rebs
Rating: 5.0 out of 5 stars
Title: 5 star carseat
Review: Love this carseat!Looks super cool, very nice quality and seems comfy.Love that it has the safety bar also
Reviewer: Danielle McCarty
Rating: 5.0 out of 5 stars
Title: Heavy, but easy to install
Review: Bought 3 of these for my kids age 3, 4, and 11 months. Pretty easy to install, they don’t move at all when I try to shake them in the car. The cushion where they sit is super comfortable and soft. We were a little confused on where the cup holders go but eventually figured it out. Only complaint is the weight! They are pretty heavy. I also like that they can fold down and fit in small spaces.
Reviewer: Jarred Jenkins
Rating: 5.0 out of 5 stars
Title: Great Seat
Review: Nice, heavy, sturdy, comfy! My son is disabled & cannot sit in the vehicle seat without extra support. He was getting too big for a “regular” car seat. This seat is bigger & has a larger weight/height capacity. It is that perfect size for him & he looks comfy sitting in it!Comes with extra parts. Pay attention to what they are. Some are only needed for smaller children & reveres facing options. Scan the bar code on the paper in the box to understand assembly!
Reviewer: Brian Law
Rating: 1.0 out of 5 stars
Title: Extremely heavy, overly complicated and straps won’t tighten properly on smaller children.
Review: Purchased this because of the narrow width to use as a travel car-seat on a commercial airline and with a rental car. I would strongly recommend against buying this if you intend to travel with it. It is extremely heavy and nearly impossible to maneuver on board an airplane. It is supposed to be good for children from birth to age 10, but because the straps have to be made to fit bigger kids, they won’t tighten properly on a small toddler. I took the cover off to wash it prior to use, and needed the have the instructional video playing over and over to understand all the steps to disassemble and reassemble the seat. Replaced it with a much simpler and lighter carseat for travel.
Reviewer: Bri Oyler
Rating: 4.0 out of 5 stars
Title: Great product 4 in 1
Review: My son is almost two and I love this car seat! It’s more on the sturdy side and can be heavy especially if you plan on moving it a lot. It does fold in half great for airplanes or travel it does adjust over time with your child. When removing to wash I would definitely pull up a YouTube video to watch. Else you’re going to rip the top. They do sell more for around 100-130 bucks but who has that in reality. Would recommend otherwise
Reviewer: Amazon Customer
Rating: 5.0 out of 5 stars
Title: It’s big!!
Review: I like this seat, but it’s HUGE and heavy!! Made great but can be bulky. Just keep that in mind. But these worked without seat is comfy and my child loves it. Seems very safe!!
Reviewer: Anny
Rating: 3.0 out of 5 stars
Title:
Review: Es famoso por ser estrecho, pero al ponerlo viendo hacia atrás necesita mucho espacio de las piernas del copiloto para que quepa
Reviewer: Thriceblessd
Rating: 5.0 out of 5 stars
Title:
Review: Je cherchais un siege auto qu’on peut installer avec le système isofix et ce siège convient parfaitement ; mon fils aura 4 ans dans 2 jours et le siege convient depuis la naissance jusqu’a ces 12 ans …J’ai eu du mal à comprendre son fonctionnement avec le mode d’emploi mais des que j’ai compris tout était clair.Il y a un porte gobelet et mon garçon adore , c’est l’essentiel
Reviewer: WestCoast Mum
Rating: 4.0 out of 5 stars
Title:
Review: I don’t understand the bad reviews. I purchased for the 3-across feature as I needed a narrower seat for the smaller rear seat area of my 2-door car.Note: seat is tall. I was not able to install seat rear-facing as it didn’t fit properly because of front seat positions. Would have had to move front seat too far forward so there wouldn’t be contact between front seat and car seat. So. Had to make choice to have my 13-month old face forward much earlier than recommended or return seat and start over.My local police detachment offer free car seat installation clinics (RCMP, Canada, BC) so I signed up for one and discussed my dilemma. I was told it was okay by them to have the seat forward facing as long as it was installed correctly and LO fit into the seat properly. Obviously not ideal, but not against the law here. I have seat in rear centre.The anti-rebound bar is for rear-facing only and only comes with the seat when you purchase the +plus package. This is to prevent rear-facing seats from flipping up towards a rear-end impact. I bought the +plus seat but obviously can’t use it with forward facing installation.The seat is very good quality and LO seems comfortable. I didn’t purchase a cup holder as I don’t give food or drink during driving for safety reasons (cannot attend to baby if choking).The straps in the compartment at back of seat are glitchy.I do have seat anchored with the strap to the vehicle seat anchor at the top and centre of the rear seat and it was tricky to get it tight enough.Again, the free car seat clinic helped.Last, make sure your car’s seatbelts have a snap-locking system. I have an old car that doesn’t, so had to buy the car seat locking clips (cheap) to lock the seatbelt in order to secure the car seat.I think this is a good quality car seat and recommend.
Reviewer: Sabrina
Rating: 5.0 out of 5 stars
Title:
Review: I am a big fan of these car seats. I like how bulky they are, but how not bulky they are in the car. I know that that doesn’t make much sense lol but I feel like when I put my son in the car seat, he looks well protected (in that sense I mean bulky). They also fit in the backseat of the Tesla.
Reviewer: Kiana
Rating: 1.0 out of 5 stars
Title:
Review: Super dissapointed that the insert is black on the picture and I got grey. Very heavy, lots of pieces. It’s a super safe seat and is heavy but fabric feels really cheap. I wanted it for the 3 across though. I’ve ordered 2. I like it otherwise. Cupholder is cheap and moves around too much for my liking. I’d keep my other seat but it was too bulky. I like the slimness of this one.// I’m updating my review to say I HATE the buckles on this seat, they look and feel like the cheapest things ever made and I HATE that my kiddo can move the chest clip up and down so easily. This no longer feels like a safe seat. This seat REALLY needs a harness upgrade. I feel like they focused so much on anything else that THE MAIN THING TO KEEP KIDS SAFE got skipped. I really am thinking of returning these seats now. // I’ve been only using the blue seat I got of the 2 for 2 months (it’s been in the box until my son turned 1) and it has so much discoloration, rips and tears already!! And it’s so straight up and down after about 10 mins my daughter gets frustrated that hers is uncomfortable. If you’re thinking about buying these seats for an easy clean, comfort and long lasting THESE ARE NOT IT!!! We have 2 different brands in dad’s car. I may be tossing these useless junk and getting a different brand.