Search  for anything...
Diono

Diono Radian 3R, 3-in-1 Convertible Car Seat, Rear Facing & Forward Facing, 10 Years 1 Car Seat, Slim Fit 3 Across, Red Cherry

    • Based on 7,318 reviews
Condition: New
Checking for product changes
$149.80 Why this price?
Save $50.19 was $199.99

Buy Now, Pay Later

As low as $24.97 / 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: In Stock.
Fulfilled by Amazon
Arrives Thursday, Nov 21
Order within 4 hours and 3 minutes
Available payment plans shown during checkout

Style: Radian 3R Fits 3 Across


Color: Red Cherry


Features

  • 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.

Description

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.

Brand: Diono


Installation Type: Latch


Material: Alloy Steel, Polypropylene, Plastic, Polystyrene


Color: Red Cherry


Orientation: Convertible Seat


Manufacturer: Diono


Infant Toddler Car Seat Type: Convertible Car Seat


UPC: 677726506224


Global Trade Identification Number: 24


Brand Name: Diono


Age Range Description: Newborn


Item Weight: 23.37 Pounds


Item Dimensions D x W x H: 16.1"D x 16.9"W x 28.4"H


Color: Red Cherry


Material: Alloy Steel, Polypropylene, Plastic, Polystyrene


Rear Facing Minimum Weight: 5 Pounds


Forward Facing Minimum Weight: 22 Pounds


Forward Facing Maximum Weight: 120 Pounds


Rear Facing Car Seat Maximum Height: 44.1 Inches


Forward Facing Car Seat Minimum Height: 29.9 Inches


Minimum Weight Recommended: 5 Pounds


Maximum Height Recommended: 57 Inches


Rear Facing Maximum Weight: 50 Pounds


Weight Supported: 120 Pounds


Minimum Height Recommended: 18.1 Inches


Harness Type: 5-Point


Number of Height Positions: 1


Orientation: Convertible Seat


Installation Type: Latch


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, Nov 21

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

    • Diono Radian 3R: A Safe and Space-Saving Car Seat for Long-Term Use
Style: Radian 3R Fits 3 Across Color: Gray Slate
We absolutely love our Diono Radian 3R! It's been a fantastic car seat for our child, lasting from infancy all the way to booster use. Here's why it gets 5 stars: Space-Saving Design: This car seat is a dream for tight spaces. Its slim design allows us to fit 3 car seats across our mid-size car, perfect for families with multiple children. Long-Lasting Value: This car seat truly grows with your child. It transitions seamlessly from rear-facing for newborns (up to 50 lbs) to forward-facing (up to 100 lbs) and then to a booster seat (up to 120 lbs). It's a one-time investment that lasts for years. Comfort & Safety: Our child finds the Radian 3R very comfortable, with breathable fabric and a well-padded design. Plus, Diono's safety record and features like the steel-reinforced frame give us peace of mind. Easy to Use: Installation with SuperLatch was a breeze, and switching between rear-facing and forward-facing is simple. The harness is easy to adjust and the removable cup holders are a convenient touch. Easy to Clean: The Diono Radian 3R's machine-washable fabrics make cleaning up spills and messes a breeze. If you're looking for a convertible car seat that's safe, space-saving, comfortable, and built to last, the Diono Radian 3R is an excellent choice! ... show more
Reviewed in the United States on July 18, 2024 by M. Masters
    • Bright colors
Style: Radian 3R Fits 3 Across Color: Pink Cotton Candy
Slim fitting car seat, easily fit 3 across, easy to to install, comfortable, folds up for transport, plush seat, sure is sturdy.
Reviewed in the United States on September 25, 2024 by Brooklin Churches
    • Diono Radian 3R - A Game-Changer in Car Seat Comfort and Safety!
Style: Radian 3R Fits 3 Across Color: Red Cherry
The Diono Radian 3R 3-in-1 Convertible Car Seat has proven to be an absolute game-changer for our family, and my son absolutely loves it! The versatility of this car seat is outstanding – from rear-facing to forward-facing, it's designed to accommodate different stages of a child's growth. The 10-year lifespan is a fantastic feature, providing peace of mind knowing that it will last through various developmental milestones. My son finds the seat incredibly comfortable, and the plush padding adds an extra layer of coziness. The reinforced steel frame gives a sense of security, and the installation process was surprisingly straightforward, thanks to the clear instructions provided. What sets the Diono Radian 3R apart is its slim design, making it a perfect fit even in compact cars without compromising safety. The adjustable headrest and harness system ensure a snug and secure fit as my son continues to grow. As a parent, I appreciate the ease of cleaning – the fabric is removable and machine washable, a lifesaver for those inevitable spills and messes. If you're in search of a convertible car seat that prioritizes both comfort and safety, the Diono Radian 3R is an excellent choice. It has made our car journeys much more enjoyable for my son, and as a parent, I couldn't be happier with this purchase! 🚗👶🌟 #DionoRadian3R #ConvertibleCarSeat #SafetyFirst ... show more
Reviewed in the United States on January 23, 2024 by Dana Cecil
    • Cool car seat....
Style: Radian 3R Fits 3 Across Color: Red Cherry
Review Image by Kiriat Kiriat
Review Image by Kiriat Kiriat
Review Image by Kiriat Kiriat
So far opening this car seat I couldn't complaint. First the colors are very vibrant...the car seat stands out it's a beautiful car seat. NOW.......the thing is very very heavy!!! Most likely because of the automotive steel core but yeah it's heavy. I bought because when they said it's convertible I can close it and then seeing some people carry it like a backpack they had me sold since I take UBER a lot but there's no way I'm gonna put this on my back is heavy lol.....but it's a beautiful well made car seat. My baby boy loveeeeeessss it! Transition from a baby car seat to a big boy carseat ❤️ ... show more
Reviewed in the United States on September 2, 2024 by Kiriat Kiriat
    • Don't hesitate!!!
Style: Radian 3R Fits 3 Across Color: Pink Blossom
Review Image by Vett Garcia Vett Garcia
I switched from Graco to this one once my child moved to forward facing, but that wasn't my plan. I initially bought this as my airport/travel chair, but when it arrived and I felt how heavy it was, that was out but I decided to not return it and I'm so glad I didn't. My child is long and I felt she looked cramped in Graco. So when I changed her position, I took the Diono to the fire department to install (if you don't know, they do this for free) and they said that Diono was the creme de la creme, the best in safety. They said the weight adds value. They installed it SO TIGHT, that I feel soooo secure in the event of an accident that the baby will be alright. They said it's a bit difficult to install, but it was worth the work. It is the last seat I'll buy bc it lasts until 120lbs. It's slim in the car. I'm so pleased and the color is cute!! ... show more
Reviewed in the United States on August 7, 2024 by Vett Garcia Vett Garcia
    • Difficult installation
Style: Radian 3R Fits 3 Across Color: Red Cherry
It was time for my little one to upgrade from the basic infant seat, and I was looking for something that would fit her until she no longer needs a car seat/booster but still needed it to be affordable and in our budget. After looking at several other options, this seemed to fit the bill the best. It's very sturdy, and baby loves sitting in it. She's still rear-facing, and loves the extra room she has compared to her old seat. The only complaint was the difficulty we had figuring out how to install it in our vehicle. It took my partner and I both quite a bit of time, and found the manual to be little to no help. Once we finally figured it out, though, it seems very secure and doesn't wiggle or move around at all, so we do feel confident about baby being safe ... show more
Reviewed in the United States on May 10, 2024 by Melissa

Can't find a product?

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