Search  for anything...
Diono

Diono Radian 3QXT SafePlus 4-in-1 Rear and Forward Facing Convertible Car Seat, Safe Plus Engineering, 4 Stage Infant Protection, 10 Years 1 Car Seat, Slim Fit 3 Across, Purple Plum

    • Based on 766 reviews
Condition: New
Checking for product changes
$240.52 Why this price?
Holiday Deal · 17% off was $289.99

Buy Now, Pay Later

As low as $40.09 / mo
  • – 6-month term
  • – No impact on credit
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during 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

90-day refund/replacement

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: Only 1 left in stock, order soon!
Fulfilled by Amazon
Arrives Jan 19 – Feb 8
Order within 13 hours and 25 minutes
Available payment plans shown during checkout

Style: QXT


Color: Purple Plum


Features

  • 10 Years One Car Seat - from Birth to Booster (4 - 120 lb) it's all you will need. Grows with your child, ultimate protection on every road trip. 4 modes in 1 seat!
  • Fits 3-Across - our famous slim-fit design with SafePlus 8-layer side impact protection 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.
  • One hand easy-adjust 12 position SafePlus headrest completes 8-layers of enhanced, rigorously tested, side impact protection.
  • The original and only all-in-one convertible car seat that folds for travel or compact storage. FAA approved for airline use.

Description

The most advanced diono Radian all-in-one convertible car seat that transforms as your child grows from baby to booster for 10 years one car seat (4 - 120 lb). Now upgraded with 25 improvements from the award-winning radian 3RXT ad featuring advanced 4-in-1 rear facing protection with SafePlus engineering to provide the next generation in convertible car seat safety. Radian 3QXT provides complete baby and infant protection, with SafePlus newborn baby travel high wedge, newborn baby protection insert, 2-in-1 infant positioning liner and newborn baby harness pads for a custom fit from 4 lb. As your child grows the SafePlus steel rear facing 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. As both a rear and forward facing convertible car seat the Radian 3QXT protects as they grow, with the SafePlus easy adjust 12 position headrest that offers a 22% increase in occupancy range from the Radian series. With 8 layers of side impact protection, a side impact management pod, SuperLATCH connectors (UAS Compatible) and safe 5-point harness, the Radian 3QXT provides advanced safety from rear facing to forward facing harness booster to belt positioning booster modes.

Brand: Diono


Installation Type: Latch


Material: Polypropylene, Alloy Steel, Plastic, Polystyrene


Color: Purple Plum


Orientation: Convertible Seat


Product Dimensions: ‎16 x 17 x 28.5 inches


Item model number: ‎51225


Minimum weight recommendation: ‎4 Pounds


Maximum weight recommendation: ‎120 Pounds


Minimum height recommendation: ‎18.1 Inches


Maximum height recommendation: ‎57 Inches


Material Type: ‎Polypropylene, Alloy Steel, 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


Number Of Items: ‎1


Style: ‎QXT


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: ‎32 pounds


Country/Region of origin: ‎China


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Jan 19 – Feb 8

Yes, absolutely! You may return this product for a full refund within 90 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

    • A Baby Tank!!!
Style: QXT Color: Red Cherry
Since I purchased this for a 15 month old, I can’t attest to using it for an infant with all the additional padding. But right out of the box it’s a pretty weighty seat. The steel frame adds some heft to it and it FEELS structurally sound. If you’ve installed a car seat before, it’s pretty easy to figure out the latch system it uses; A tether up top that secures it behind the seat and a lateral belt that you snake through the appropriate holes in the bottom/back and secure the buckles with a snap to the car’s latch system on either side. One thing I particularly like is the bottom belt latch strap has pull-release loops so you don’t have to twist your wrists in awkward positions to release the belt by pushing the buttons. The only thing, is the seat is tall so we had to remove the headrest on our back seat so it would sit flush to the seat. It took about 15 minutes to install it forward facing. Where I took off a star was the buttons for the adjustable straps to make them tighter to secure the car seat to the seat. They’re hard as hell to adjust and I had to have the hubby tighten them because I couldnt manage the leverage it takes to pull them. The button to loosen the straps just feels awkward—they’re hard to push in and seem to stick so it feels “off”. Makes you feel a little insecure about if you’ve done it right and car seat installation is one thing that you don’t want to make a mistake on. However, once you tighten the belts it doesn’t seem like they’ll loosen by themselves. Tested it by giving the seat a good tug in all directions. When we were shopping for seats, I was going to go for a lower priced seat because it wouldn’t be used as much in daddy’s car. My hubby just suggested we buy the same Maxi-Cosi Magellan seat that I have in my 2019 Expedition because he liked the magnetic top harness buckle. But, I decided to hold off. After seeing the store model of the Diono seat, I got curious about the brand and did a little research. I’m glad that I did. Daddy’s car is a 400hp Ford Explorer ST with bucket backseats and no middle seat for the added protection. I liked the ALL safety features considering that it could ONLY be installed on the driver or passenger side w/airbags. The extra plastic cube thingamajig that goes on either side depending on which side you install it on feels flimsy when you attach it. But a basic understanding of physics means that anything that can help add resistance to force from a side impact is a good thing. It adds another two layers of safety, surprising as it is, considering it’s basically a plastic box. Another plus is the harness buckle button is larger and EASY to press. My Maxi-Cosi’s buckle is small and a complete nuisance to press with nails and a wiggling tot. The cup holder seems like an after-thought though. I figured the cost of the seat is worth it—especially since it will support up to 120lbs. Plus it’s in a pretty kick-ass red that complement his dad’s car which is murdered out black with red brake calipers and red interior lighting. So...if you want something that’s stylish and seemingly filled to the brim with safety features or you have a car where a center-seat install is impossible, this seat is the way to go. Just make sure you got an extra strong set of arms to help with the belt tightening. ... show more
Reviewed in the United States on March 4, 2021 by NR$JAKI
    • This is a sturdy, nice and safe car seat
Style: QXT Color: Blue Sky
I bought this seat for my daughter-in-law, and this is what she had to say about it: I am a 34 year old mom of 3 boys aged 3, and 4 months. Before becoming a mom, I worked more than 10 years in the baby products industry, and so I am quite familiar with carseats. The Radian 3QXT is our fourth and most recent carseat. Our other carseats are from different brands, and we have been reasonably satisfied with all of them. That said, the Diono Radian 3QXT is something special indeed! Let me explain why my husband and I like the 3QXT so much: 1) This carseat is rock solid. That gives us a lot of confidence in its stability and also its capability to absorb crash forces. The steel frame just seems more sturdy than other products we considered. 2) Despite its robustness, the 3QXT is actually less bulky than other similar seats we looked at, which allows us to fit 3 across the back seat—an important feature when you have 3 boys under 5 years old like us! It almost seems as though the engineers used every inch of the seat in the most efficient manner to save on space. 3) The foot attachment for rear facing installs easily and fits nicely into the seat bite of our back seat for an enhanced angle adjustment. 3) Side Impact: We are quite impressed with the side impact protection features on the QXT that we felt are superior to the competitive product we considered. The double protection fabric/foam layering for infants is very well done, and the generously deep side walls give us an added sense of security. 4) The QXT head support is the best I have seen for keeping the infant’s head secure and comfortable, and it will serve my toddler well too if and when he might actually use it. 5) While my primary concerns are safety, fit and comfort, I cannot help but be impressed with the aesthetics and finishes of the QXT. I rate this seat very highly, feeling an added sense of security knowing that my son will be riding as safe as it can get with the Radian 3QXT. Again, we are pleased indeed that the seat is not a behemoth like so many others, but can still fit 3 across for 3 boys. This is the convertible seat to buy! Ps. Be sure to read the installation instructions and/or watch the video. ... show more
Reviewed in the United States on October 22, 2020 by Kimberly Gross

Can't find a product?

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