Diono Radian 3QX Convertible Car Seat Red Cherry

radian 3QX. The ultimate 3 across All-in-One car seat from birth to booster (4 – 120 lb / 1.8 – 54 kg). Featuring 3 stages of complete rear facing protection and all new Diono Safe+™ engineering to provide the next generation in car seat safety.

3 Stage rear facing protection
Features Safe+™ newborn travel high wedge, Safe+™ 2-in-1 infant positioning liner and Safe+™ steel anti-rebound bar for complete rear-facing protection.

Safe+™ engineering
radian® 3QX is subjected to a combination of the most rigorous crash tests to make sure we have the safest seat possible.

Rear-facing for longer
Designed and engineered with all new Diono Safe+™ protection. Now you can keep your child rear facing for even longer up to 50 lb (approx. 4 years old).

10 years 1 car seat
With 4 ways to travel from birth to booster, the radian® 3QX adapts as your child grows to offer a custom fit from birth to 120 lb.

Slim-fit design fits 3 across
Built with their famous radian® slim fit design, to fit 3 across in most vehicles without compromising child or passenger comfort.

Safe+™ newborn travel high wedge
Creates near lie-flat travel position for newborns while reducing head slump and helping to keep airways open. Simply remove as baby grows.

Safe+™ 2-in-1 infant positioning liner
Gives extra infant comfort and toddler body support. Simply remove as your toddler grows.

Safe+™ steel anti-rebound bar
One click connection to the seat base. Reduces rebound rotation by 50% in the event of a collision. Also provides more legroom when rear-facing.

Safe+™ steel anti-rebound bar
One click connection to the seat base. Reduces rebound rotation by 50% in the event of a collision. Also provides more legroom when rear-facing.

Safe+™ steel core
All new upgraded steel core. Made from automotive grade high strength steel to shield and protect.

Safe+™ headrest
Engineered with the latest European Side Impact technology to improve child head containment in the event of a collision. Headrest height is increased by 22% from radian R series

Safe+™ side Impact protection
Featuring 6 layers of interlocking EPS & EPP foam, high density plastic and steel reinforcement to create ultimate side impact protection without compromising 3 across fit.

Product Specs:
  • Rear-facing: 4-50 lbs / 1.8-22.7 kg
  • Forward-facing: 22-65 lbs / 10-29.5 kg
  • Booster mode: 40-120 lbs / 18-54 kg
  • Seated torso height: 7.5-16.5″ / 19-42 cm
  • Overall maximum height: up to 57″ / 144.8 cm
  • Weight: 25.8 lbs / 11.7 kg


Unfortunately, due to the nature of this item, we cannot accept any returns, click here for more information.
This product is excluded from any special promotions or coupons.
We are only able to ship this item to Canadian customers.
This product cannot be shipped to Remote locations.
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