Diono

(3 pack) Diono Radian 3R Car Seat

(3 pack) Diono Radian 3R Car Seat3 pack Diono Radian 3R All in One Convertible Car Seat Slim Fit 3 Across Black JetDiono Radian 3R All in One Convertible Car Seat Slim Fit 3 Across Pink BlossomDiono Radian 3R All in One Convertible Car Seat Slim Fit 3 Across Blue SkyDiono Radian 3R All in One Convertible Car Seat Slim Fit 3 Across Black JetDiono Radian 3R All in One Convertible Car Seat Slim Fit 3 Across Red Cherry
Actual Color:Black Jet-Out of stock
Pack Size:3 Pack-Out of stock

Key item 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.
  • Exclusive Features - With limited colored seats, you will also receive a head support pillow, comfort cushion and 2 XL cup holders. These additions are included only with the following color seats - Black Storm, Blue Surge, Blue Razz Ice, Purple Wildberry and Pink Cotton Candy.
Current price is $659.97$219.99/count
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This item includes:

  • 3-pack of Diono Radian 3R Car Seat

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Customer ratings & reviews

4.6 out of 5 stars
stars721 ratings298 reviews
How item rating is calculated
  1. 5 stars81% (587)
  2. 4 stars10% (71)
  3. 3 stars3% (19)
  4. 2 stars1% (5)
  5. 1 star5% (39)

Reviews summary

Pros

  • : Designed for smaller vehicles and compatible with multiple seats.
  • : Straightforward installation process.
  • : Offers lower prices than similar products.
  • : Allows for easy fit in small cars with multiple seats.

Cons

  • : Instructions are not detailed enough, leading to assembly and installation difficulties.
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  • +19 images
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Showing 1-3 of 298 reviews

Aug 25, 2025
Jess
5 out of 5 stars review

Seller Verified Purchase

Excellent Product

Excellent car seat, slender but with somehow more space for comfort of your child. Their is so much more room in the car, no bulky cup holders, no extra bits to clean.

International review
Review from walmart.ca
Helpful?1LYF03LIHP0415390810416
Dec 20, 2025
Kara
Item details
Color: Pink Blossom
Multipack quantity: 1
Sold and shipped byDiono
5 out of 5 stars review

Verified Purchase

BUY it!

This is so comfortable for my three year old and perfect for small backseats - we have three kids and this was a must. I think it can be used rear facing but we didn't need that - we live diono and have the slim high back belt booster for my son! They are both less than 16.5 in wide or so!

Helpful?1LYF03LIHP0415390810416
Mar 17, 2025
Carol
Item details
Color: Black Jet
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

Great Slim Carseat

If you have a smaller car and need to fit more than two carseats in the backseat, this is perfect for it. We had been trying to fit 3 carseats in our granddaughter's car for her 3 kids and it was a struggle until we found this carseat. It saved us!

Helpful?1LYF03LIHP0415390810416