















🛡️ Safety that grows with your family — sleek, smart, and built to protect every mile.
The Diono Radian 3RX is a premium 3-in-1 convertible car seat engineered for ultimate safety and longevity. Featuring a 12-position adjustable headrest, steel-reinforced frame, and extended rear-facing capability up to 50 lbs, it supports children from birth to booster (5-120 lbs). Its slim design fits three across most vehicles, making it ideal for growing families who refuse to compromise on safety or style. FAA-approved and easy to clean, the Radian 3RX is the all-in-one solution for parents seeking durable, adaptable protection on every journey.







| ASIN | B0977LJK3T |
| Age Range Description | Newborn |
| Best Sellers Rank | #265,831 in Baby ( See Top 100 in Baby ) #253 in Convertible Child Safety Car Seats |
| Brand | Diono |
| Color | Pink Blossom |
| Customer Reviews | 4.6 4.6 out of 5 stars (239) |
| Forward Facing Maximum Weight | 120 pounds |
| Forward Facing Minimum Weight | 22 pounds |
| Harness Type | 5-Point |
| Included Components | radian® 3RX the original 3 across All-in-One car seat, detachable rear-facing base, foam harness pads, infant head and body support pillows, lap belt cushion, cup holder, Safe Stop® energy absorbing harness, rear-facing top tether, instruction manual, baby on the move sign. |
| Installation Type | Latch |
| Item Dimensions D x W x H | 16"D x 17"W x 28.5"H |
| Item Type Name | All-in-One |
| Item Weight | 28.1 pounds |
| Manufacturer | Diono |
| Manufacturer Warranty Description | 12 months |
| Material Type | Metal, Plastic |
| Maximum Height Recommended | 57.1 inches |
| Maximum Weight Recommendation | 120 pounds |
| Minimum Height Recommendation | 18.1 inches |
| Minimum Weight Recommendation | 5 pounds |
| Model Number | 55014 |
| Number of Height Positions | 12 |
| Orientation | Convertible Seat |
| Part Number | 55014 |
| Rear Facing Maximum Weight | 50 pounds |
| Rear Facing Minimum Weight | 5 pounds |
| UPC | 677726550142 |
| Unit Count | 1 Count |
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