Diono Radian 3R, 3-in-1 Convertible Rear & Forward Facing Convertible Car Seat, High-Back Booster, Black Jet


+ Free Shipping

🚚 Usually ship within 4-5 business days!

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).

Availability: In stock



  • REAR-FACING FOR LONGER – Designed and engineered to keep your child rear facing even longer up to 50 lb, approx. 4 years old
  • 10 YEARS ONE CAR SEAT – With 4 ways to travel from birth to booster, the Radian 3R adapts as your child grows to offer a custom fit from birth up to 120 lb
  • STEEL CORE – Mechanically engineered, reinforced steel core, made from automotive grade high strength steel to shield and protect
  • THE ORIGINAL RADIAN 3 ACROSS – Built with our famous Radian slim fit convertible design for a 3-across option only with Diono Radian combinations without compromising child or passenger comfort. Feel safe having your children secure in the backseat


  • Brand: Diono
  • Radian 3R Fits 3 Across
  • Dimensions: 16 x 17 x 28.5 inches
  • Weight: 25.9 pounds
  • Color: Black Jet
  • Installation Type: Latch
  • Material: Polypropylene, Alloy Steel, Plastic, Polystyrene
  • Orientation: Convertible Seat
  • Harness type: 5-Point
  • Maximum Weight Recommendation: 120.00 lbs
  • Maximum height recommendation: ‎57 Inches
Shopping Cart