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DIONO Radian 3 RX - Grey Light

Diono - PinkiBlue
$359.99
54011

The Radian® 3 RX is lovingly engineered with a full steel frame and aluminum reinforced sides to maximize protection. The superlatch™ system makes installation quick and easy and the memory foam cushioning, padded harness and specifically angled cup holder help to keep your little one happy on life’s short or long journeys. We’ve thought of everything so you don’t have to.

Diono Car Seat Comparison Chart

Maximum quantity available reached.

Diono Radian 3RX

Diono Radian 3RX

Diono Radian 3RX

Diono Radian 3RX

Diono Radian 3RX


Here at Diono we understand what family life is all about, that’s why we have thoughtfully designed our products with that in mind. The Radian® 3 RX is lovingly engineered with a full steel frame and aluminum reinforced sides to maximize protection. The superlatch™ system makes installation quick and easy and the memory foam cushioning, padded harness and specifically angled cup holder help to keep your little one happy on life’s short or long journeys. Our low profile sides make life easy for you to board your child in the seat. Safety and functionality are always at the forefront of what we do; making sure that your little one will remain secure, comfortable and happy wherever life takes you. We’ve thought of everything so you don’t have to.
  • Joy of the journey: From birth, keep your little one rear facing longer to 45 lbs, travelling safely. As they grow to 120 lbs (12 years approx.) our long-range lifespan protects your child facing forwards. Peace of mind for you, we’ve thought of everything so you don’t have to.
  • Lovingly engineered: The radian® 3 rX is fabricated using super strong automotive high strength steel, engineered into a dual spine. This unique core manages and dissipates energy and provides an unyielding structure to protect your baby. Our audible click SuperLatch system makes installation easy and quick.
  • Three’s not a crowd: For safety that fits 3 across the radian® 3 rX packs all our innovative safety features into a sleek and slim design that allows you to fit three across (in most mid-size vehicles). Now the whole family can travel, together.
  • Business Class comfort: Inspired by the best European fashions, our radian® 3 rX has bright soft fabric covers and a memory foam seat bottom. Lined with energy absorbing foam, comfort and safety go hand in hand. A tailored infant support cushion and a cup holder are included.

  • Rear-facing: 2.3 - 20.5 kg (5 - 45 lbs) and between 46 - 112 cm (18 - 44 ")
  • Forward-facing: 10 - 29.5 kg (22 - 65 lbs) and between 76 - 144cm (30 - 57") in a 5-point harness
  • Booster from 23 to 54 kg (50 - 120 lbs) and between 101 - 144cm (40 - 57")
  • SOLID SIDE PROTECTION - Additional side impact protection with aluminum reinforced head support and energy absorbing EPS foam
  • THREE’S NOT A CROWD - Sleek design allows for a 3-across fit (in most mid sized vehicles).
  • ALL ABOARD - Easy boarding low profile – it’s the little things that make life simpler
  • TRAVEL THE WORLD - Super portable, folds flat with available carry straps for easy travel and transporting with ease
  • STYLISH AND SNUG - Modern, versatile cover in soft, premium fabric for a comfortable ride everyday – it’s absorbent, easy to remove and machine washable too!
  • PROPER FIT - Secure the littlest bundles of joy in our premium head and body support – for their very first journey out in the world.
  • EASY INSTALLATION - SuperLATCH™ system makes installation quick and easy. A versatile top tether for both rear and forward-facing, unique to car seats.
  • LONGER LIFE SPAN - 10 year product life span from date of purchase.

Diono Radian 3R


Radian 3RX

A safe journey, right from the start

three's not a crowd...

Some say three's a crowd. We say the more the merrier! Our Radian 3RX car seats fit three across in most mid-sized vehicles or larger.

  • Extended rear-facing: From birth 2.3 to 20.5kg | From birth 5 to 45lb 
  • Forward facing: 10 to 29.5kg | 22 to 65lb
  • Booster mode: 23 to 54kg | 50 to 120lb

Extended rear-facing for longer...

Travel with complete peace of mind in total comfort with our first class car seat. Allowing children to sit safely rear-facing in this seat from birth for much longer, meaning you can relax about every journey as much as your little one does. From birth 2.3 to 20.5kg I From birth 5 to 45lb

Stylish and snug

  • Modern, versatile cover in soft, premium fabric for a comfortable ride everyday — its absorbent, easy to remove and machine washable too!

All aboard

  • The low sitting profile makes it easy for your child to climb in and out of their seat as they grow.

Worth the weight

  • Engineered with a steel alloy frame for safety you can feel. That's why it's already been chosen by millions of parents.

Proper fit

  • Secure the littlest bundles of by in our premium head and body support - for their very first journey out in the world.

Lovingly Engineered and meticulously built by hand.