Diono Radian 3RX Convertible Car Seat

Authorized Dealer

Color: Black Jet
Sale price$299.99

 SKU: 55010-NA-01


The Radian 3RX Convertible Car Seat will enhance your travel experience with its innovative features. Offering 12-position adjustable head support, extended rear-facing up to 50 lbs., and steel-reinforced frame, expect 10 years of safety from just one car seat. Its compact structure enables 3 seats to be aligned in a row, with guaranteed comfort. 


  • Fold-flat for easy carrying.
  • Certified for use on aircraft as they are FAA approved.
  • Easy click installation.
  • Extra head support cushion.
  • 12-position headrest for a secure and comfortable fit for rear-facing, forward-facing, and booster seat modes.
  • Ultimate passenger comfort with spacious design but only 17” wide to fit 3 across in most midsize vehicles.
  • Built-in steel cup holder.
  • Anti-slip adjustable harness.
  • High back, memory foam seat padding, and buckle pads for maximum comfort. 
  • Mechanically engineered, reinforced steel core, made from automotive-grade high strength steel to shield and protect.
  • Adapts as your child grows from birth to booster.
  • Suitable from 5 – 120 lbs.
  • Machine wash, line dry.
  • 12 months standard warranty - extended to 36 months when you register with Diono® post-purchase.
Dimensions & Weight
  • 16" x 17" x 29" 
  • 28.1 lbs.
  • Maximum user height 57".
  • 5-50 lbs. rear-facing for infants.
  • 22-65 lbs. forward-facing.
  • 40-120 lbs. Booster mode.

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