Search  for anything...
Diono

Diono Radian 3RXT Safe+, 4-in-1 Convertible Car Seat, Rear and Forward Facing, Safe Plus Engineering, 3 Stage Infant Protection, 10 Years 1 Car Seat, Slim Fit 3 Across, Red Cherry

  • Based on 2,749 reviews
Condition: New
Checking for product changes

Notify me when this product is back in stock

$349.99 Why this price?
Memorial Day Sale · 13% off was $399.99

Buy Now, Pay Later

As low as / mo
  • – Up to 36-month term if approved
  • – No impact on credit
  • – Instant approval decision
  • – Secure and straightforward checkout

Payment plans are offered through our trusted finance partners Klarna, PayTomorrow, Affirm, Afterpay, Apple Pay, and PayPal. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Selected Option

Free shipping on this product

This item is eligible for return within 30 days of receipt

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

Availability: Unavailable
Fulfilled by Amazon
Available payment plans shown during checkout

Recently Viewed

Style: 3RXT Safe+


Color: Red Cherry


Features

  • 18 UPGRADES FROM RADIAN 3RXT - Includes Safe+ easy adjust 12 position headrest, 6 layers of Safe+ Side impact protection and Safe+ testing.
  • COMPLETE REAR-FACING PROTECTION - Safe+ steel anti-rebound bar reduces rebound rotation by up to 50% for extended rear-facing travel up to 50 lb.
  • SAFE+ ENGINEERING - Features a unique combination of engineering features and testing to the highest safety standards to ensure we have the safest seat possible.
  • 10 YEARS ONE CAR SEAT - From rear-facing to forward facing Radian 3RXT Safe+ adapts as your child grows from birth to booster. Suitable from 4 - 120 lb / 1.8 - 54 kg.
  • THE ORIGINAL RADIAN 3 ACROSS: Built with our famous Radian slim fit convertible design for a 3-across option only with Diono Radian combinations without compromising child or passenger comfort. Feel safe having your children secure in the backseat.

Description

The original 3 across All-in-One Car Seat just got better. Upgraded with 18 improvements from the award-winning Radian 3RXT, the Diono Radian 3RXT Safe+ features Diono Safe+ engineering, Safe+ anti-rebound panel and advanced Safe+ side impact protection for complete protection from birth to booster 4 - 120 lb / 1.8 - 54 kg. From babys first journey the Radian 3RXT Safe+ provides complete rear-facing protection with a Safe+ newborn travel high wedge and Safe+ 2-in-1 infant positioning liner for a custom fit from 4 lb / 1.8 kg. As your child grows the Safe+ steel anti-rebound bar increases stability and reduces rebound rotation by up to 50%, so you can keep them in a safe rear- facing convertible car seat for longer (up to 50 lb / 22.7 kg). As both a rear and forward-facing convertible car seat, the Radian 3RXT Safe+ protects as they grow, with Safe+ easy adjust 12 position headrest that offers a 22% increase in occupancy range from the Radian 3RXT. As they grow the Radian 3RXT Safe+ provides 6 layers of Safe+ side impact protection without compromising the famous Radian 3 across slim fit in most midsize vehicles. All these great features have been combined with Safe+ engineering, with the Radian 3RXT Safe+ All-in-One Convertible Car Seat subjected to a combination of the most rigorous crash tests to ensure the safest seat possible. Parents can also expect the travel friendly traits Diono is famous for, including convenient fold and FAA approval for use on an aircraft. So, no matter where you go you can take Diono safety with you.


Product Dimensions: ‎16 x 17 x 28.5 inches


Item model number: ‎50103


Minimum weight recommendation: ‎4 Pounds


Maximum weight recommendation: ‎120 Pounds


Minimum height recommendation: ‎18.1 Inches


Maximum height recommendation: ‎57.1 Inches


Material Type: ‎Alloy Steel, Polypropylene, Plastic, Polystyrene


material_composition: ‎100% Polyester


Care instructions: ‎Covers Machine wash cold, line dry. Shell and Components Spot clean


Additional product features: ‎Fits 3 Across


Style: ‎3RXT Safe+


Number of reclining positions: ‎12


Batteries required: ‎No


Orientation: ‎Convertible Seat


Rear-facing minimum child weight: ‎4 Pounds


Rear-facing maximum child weight: ‎50 Pounds


Forward-facing minimum child weight: ‎22 Pounds


Forward-facing maximum child weight: ‎120 Pounds


Harness type: ‎5-Point


Item Weight: ‎30.6 pounds


Country/Region of origin: ‎China


Frequently asked questions

This product is currently out of stock. Please check back later for shipping info.

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Similar Products

Top Amazon Reviews

    • Amazing deal!
Style: 3RXT Bonus Pack Color: Purple
This is such a great deal for a diono carseat! We have 4 children and have 7 carseat for 2 vehicles and all but one are diono. They are THE BEST! But they are pricey, this is an outstanding deal and was actually cheaper for this bundle then buying just the carseat out right at the time I purchased!
Reviewed in the United States on November 10, 2022 by scott young
    • Favorite Slim Car Seat
Style: 3RXT with Comfort+ Color: Gray Slate
We love the diono radian seat for fitting our boys all in one row or even separately. They are spacious and comfortable and very secure.
Reviewed in the United States on November 11, 2022 by Mariah Roman
    • sooo much better than the qrxt
Style: 3RXT with Comfort+ Color: Red Cherry
I love Diono but hated how hard it was to put the cover back on. Love this car seat a great replacement. I have three now! If only it came in mustard!
Reviewed in the United States on October 17, 2022 by Kamiren Jane
    • Wish I had found $1,500 earlier!!!
Style: 3RXT with Comfort+ Color: Purple Plum
This car seat is amazing!! It's mom/dad friendly, easy to install, unique colors, no bulky oversized extra car seat taking up precious backseat space ect. I could probably name 15 more things I love about this sear. Honestly. My only wish was that I had done my research and dug a little deeper to find this gem before I purchased multiple other brands only to find them bigger, bulkier, and not nearly user friendly as this one!! Coming from a mom of 2u2 this seat is a must have!!! ... show more
Reviewed in the United States on September 19, 2022 by James tousignant
    • I want to love this like my RTX, but they went cheap for cover, that's what's new in 2020 for 3RTX
Style: 3RXT with Comfort+ Color: Black Jet
Review Image by Kay
Review Image by Kay
Review Image by Kay
Review Image by Kay
We bought a Radian RXT in 2018 for our second child and loved it. It is easily the most secure car seat I have ever strapped my kid into, and we have owned a lot of Graco and installed in several different models and types of car. Also the easiest install, I've fought for more than 30 minutes in my mom's Ford Explorer with Graco and wanted to set the car on fire afterward for her making me move it over in 105 degree Texas weather. It is heavy, but I install mine and won't move it for any force in heaven or hell unless I am flying, so its not like I do a daily ruck march with it. Unfortunately, Diono is charging the same price they did for once a premium fabric car seat cover and giving you a crappy, thin car seat cover. Just feeling the difference between the two year models, you can tell they downgraded for the 3RXT severely since putting out the RXT. It has less padding, it is much thinner and I don't see how it isn't going to pill in the wash. My kid is going to destroy it. I've included pics of old versus new for reference, but most of it is in the "feel". I find this very disappointing, because you want a quality fabric in a "upper trim" series car seat that is supposed to last 10 years and costs $300. It's the same cheap, slick microfiber that I have on a couple of wal-mart $30 booster seats, or on universal car covers. I imagine it will turn green/gray in the sun just like those did. My Radian RXT is the same color it was when I bought it and even at two years older, looks better and its been washed a zillion times. At first, I thought they sent me a car seat with the wrong cover, because it says "Radian R" and my RXT was embroidered on, not stamped on the fabric like this one. It also shows on the box as "Radian RXT", so I think my confusion is reasonable. Then I looked at the pictures on their website and Amazon. Nope. They are all universally the same crappy fabric across the entire Radian series. Shame on you, Diono, car seats are expensive enough when you have to replace them constantly as you have kids, or have more than one so you aren't dealing with the logistics of switching cars with your spouse or parents just to get kids from point A to point B. And parents could easily save themselves $100 or $200 by buying something a little less "premium". Removing a star for the cheapness, because seeing it there makes me wonder if they are as "premium and innovative" as Diono claims. Companies that do things well would do well to do it across the board, especially if they want repeat business. I came back because I loved the RTX so much. Not sure if I needed another one that I would come back for a "4RTX" or whatever comes next unless they go back to better covers. For reference, these install amazingly well in Toyota Corolla, Sienna and Highlander and even the tiny Prius, but rear face in a Prius puts the front seat up too far for anyone over 5'6 to sit comfortably (basically every adult in our family). It will install in a Ford Explorer, but you will still be angry if its leather, cause they really didn't want anyone to get anywhere near their latch to actually use them and they are set too close together, so actually cranking down and getting the seat tight enough is a hassle, but easier than installing a Graco carrier or convertible car seat. Don't let an entertainment package on a Ford Explorer fool you, not a young family with car seats car. :p ... show more
Reviewed in the United States on March 8, 2020 by Kay
    • One of the best car seats on the market
Style: 3RXT with Comfort+ Color: Red Cherry
The only reason I didn’t give this car seat five stars all around is because once it gets dirty it is impossible to get clean again. That being said we got into a car accident and I had extreme neck pain and my daughter was absolutely unfazed. The security features are evident in the design and I can only tell you from someone who has been in a car accident that it held up to what it says. I would absolutely buy this again! ... show more
Reviewed in the United States on August 1, 2022 by Kirsten Sandefur
    • Safety First!
Style: 3RXT with Comfort+ Color: Black Jet
These seats look and feel like an upgrade from any other car seat. They are classy and sturdy with a feel of old school construction. Even their weight let’s you know that your most precious cargo is safe.
Reviewed in the United States on September 9, 2022 by Kathy N. Mai
    • Easy to install
Style: 3RXT with Comfort+ Color: Black Jet
The item was exalted! The packaging was notably good-looking. Delivery was remarkably quick. Thanks.
Reviewed in the United States on September 20, 2022 by lauren buckman

Can't find a product?

Find it on Amazon first, then paste the link below.