---
product_id: 341173546
title: "Diono Radian 3RX 3-in-1 Rear and Forward Facing Convertible Car Seat, Adjustable Head Support & Infant Insert, 10 Years 1 Car Seat Ultimate Safety and Protection, Slim Fit 3 Across, Pink Blossom"
brand: "diono"
price: "$1196.05"
currency: USD
in_stock: true
reviews_count: 8
url: https://www.desertcart.us/products/341173546-diono-radian-3rx-3-in-1-rear-and-forward-facing
store_origin: US
region: United States of America
---

# 12-position adjustable headrest Slim fit 3-across design Steel reinforced safety frame Diono Radian 3RX 3-in-1 Rear and Forward Facing Convertible Car Seat, Adjustable Head Support & Infant Insert, 10 Years 1 Car Seat Ultimate Safety and Protection, Slim Fit 3 Across, Pink Blossom

**Brand:** diono
**Price:** $1196.05
**Availability:** ✅ In Stock

## Summary

> 🛡️ Safety that grows with your family — sleek, smart, and built to protect every mile.

## Quick Answers

- **What is this?** Diono Radian 3RX 3-in-1 Rear and Forward Facing Convertible Car Seat, Adjustable Head Support & Infant Insert, 10 Years 1 Car Seat Ultimate Safety and Protection, Slim Fit 3 Across, Pink Blossom by diono
- **How much does it cost?** $1196.05 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/341173546-diono-radian-3rx-3-in-1-rear-and-forward-facing)

## Best For

- diono enthusiasts

## Why This Product

- Trusted diono brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Space-Savvy Design:** Slim profile fits 3 seats across most vehicles, so no family member misses out on comfort or safety.
- • **Tailored Safety Fit:** 12-position headrest adapts perfectly as your child grows, ensuring a secure, custom fit from infancy to booster.
- • **Built to Last a Decade:** One car seat for 10 years of protection, supporting children from 5 to 120 lbs without compromise.
- • **Effortless Clean & Travel:** Machine-washable covers and FAA-approved portability make every journey hassle-free and stylish.
- • **Maximized Rear-Facing Safety:** Extended rear-facing capability up to 50 lbs keeps your child in the safest position longer.

## Overview

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.

## Description

The Diono Radian 3RX is the original slim fit 3 across all-in-one convertible car seat, designed to protect from birth to booster seat (5 - 120 lb / 2.2 - 54 kg). Featuring 12 position adjustable head support, extended rear-facing up to 50 lb and steel reinforced frame, expect 10 years of safety from just one car seat. The Radian 3RX is designed and engineered to keep your child rear-facing for as long as possible up to 50 lb. The infant head and body support provides extra comfort in the early stages and can be easily removed as your infant transitions between rear and forward facing. As your child grows, the aluminum reinforced headrest can be adjusted to one of 12 positions for safety up to 57 tall. Built with a mechanically engineered, reinforced steel frame, made from automotive grade high strength steel, the Radian is always ready to shield and protect. And when your family grows, the slim-fit design will fit 3 across in most vehicles without compromising child safety or passenger comfort. Our SuperLATCH system (UAS Compatible) makes installation easy and super secure. For added parent convenience, the Radian 3RX features hard-wearing, easy remove covers. So, when the next journey gets messy, easily remove to machine wash. As travel car seat experts, Diono have naturally built in super portable features to the Radian 3RX with original fold for easy transport and storage and a steel reinforced cup holder to store essential road trip drinks and snacks. The Radian 3RX is also aircraft certified (FAA approved), so you can take safety with you wherever you go.

Review: Bought for the back seat of my BRZ, does everything I wanted! - Gratefully, I haven't had occasion to see how well this seat protects my child in an accident, though I'll be sure to update this review if such an unfortunate thing occurs. It's important to note that a disadvantage to having this seat in a vehicle that isn't garaged is that with consistent sun exposure the top of the liner was sunbleached within two weeks of purchase. It hasn't seemed to negatively affect the durability, but it's certainly obvious I've parked in the sun. I gave this seat five stars because it's comfortable for my child, it seems stout and secure even when compared to other child seats we own, and it fits in the tiny, beveled Alcantara and leather seating of my BRZ's back seat, WITHOUT DAMAGING THE SEAT. The fun little "Child on the Go" sign was a great and unexpected perk. If you have a 2+2 sports coupe, I would recommend this seat over any other... especially if you primarily park where there isn't consistent sun exposure.
Review: Love this carseat - My oldest child has this same one, I love this car seat. It’s heavy, but I like that. It’s very sturdy yet not too wide like other car seats. My kids sit comfortably in it, they don’t mind riding in it. I would absolutely buy again if I needed to.

## Features

- 12 POSITION HEADREST - Creates a safe and comfortable fit for rear facing, forward facing and booster seat modes
- INFANT HEAD SUPPORT LINER - Features padded support for added comfort. Simply remove as your infant transitions from rear-facing to forward facing booster seat
- 10 YEARS ONE CAR SEAT - From rear-facing to forward facing Radian 3RX adapts as your child grows from birth to booster. Suitable from 5 - 120 lb / 2.3 - 54 kg
- REAR FACING FOR LONGER - Designed and engineered to keep your child rear-facing for as long as possible up to 50 lb / 22.7 kg
- STEEL REINFORCED FRAME - Mechanically engineered, reinforced steel core, made from automotive grade high strength steel to shield and protect

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0977LJK3T |
| Additional product features | Fits 3 Across |
| Batteries required | No |
| Best Sellers Rank | #222,799 in Baby ( See Top 100 in Baby ) #176 in Convertible Child Safety Car Seats |
| Care instructions | Covers: Machine wash cold, line dry. Shell and Components: Spot clean |
| Customer Reviews | 4.5 4.5 out of 5 stars (239) |
| Forward-facing maximum child weight | 120 Pounds |
| Forward-facing minimum child weight | 22 Pounds |
| Harness type | 5-Point |
| Item Weight | 28.1 pounds |
| Item model number | 55014 |
| Material Composition | 92% Polyester, 8% Spandex |
| Material Type | Metal, Plastic |
| Maximum height recommendation | 57.1 Inches |
| Maximum weight recommendation | 120 Pounds |
| Minimum height recommendation | 18.1 Inches |
| Minimum weight recommendation | 5 Pounds |
| Number Of Items | 1 |
| Number of reclining positions | 12 |
| Orientation | Convertible Seat |
| Product Dimensions | 16 x 17 x 28.5 inches |
| Rear-facing maximum child weight | 50 Pounds |
| Rear-facing minimum child weight | 5 Pounds |
| Style | 3RX Fits 3 Across |

## Product Details

- **Brand:** Diono
- **Color:** Pink Blossom
- **Installation Type:** Latch
- **Material:** Metal, Plastic
- **Orientation:** Convertible Seat

## Images

![Diono Radian 3RX 3-in-1 Rear and Forward Facing Convertible Car Seat, Adjustable Head Support & Infant Insert, 10 Years 1 Car Seat Ultimate Safety and Protection, Slim Fit 3 Across, Pink Blossom - Image 1](https://m.media-amazon.com/images/I/715O29PsAoL.jpg)
![Diono Radian 3RX 3-in-1 Rear and Forward Facing Convertible Car Seat, Adjustable Head Support & Infant Insert, 10 Years 1 Car Seat Ultimate Safety and Protection, Slim Fit 3 Across, Pink Blossom - Image 2](https://m.media-amazon.com/images/I/81GMsw4N-YL.jpg)
![Diono Radian 3RX 3-in-1 Rear and Forward Facing Convertible Car Seat, Adjustable Head Support & Infant Insert, 10 Years 1 Car Seat Ultimate Safety and Protection, Slim Fit 3 Across, Pink Blossom - Image 3](https://m.media-amazon.com/images/I/91oGzq5MQiL.jpg)
![Diono Radian 3RX 3-in-1 Rear and Forward Facing Convertible Car Seat, Adjustable Head Support & Infant Insert, 10 Years 1 Car Seat Ultimate Safety and Protection, Slim Fit 3 Across, Pink Blossom - Image 4](https://m.media-amazon.com/images/I/91ZLaMm+mxL.jpg)
![Diono Radian 3RX 3-in-1 Rear and Forward Facing Convertible Car Seat, Adjustable Head Support & Infant Insert, 10 Years 1 Car Seat Ultimate Safety and Protection, Slim Fit 3 Across, Pink Blossom - Image 5](https://m.media-amazon.com/images/I/91cBsdfAZFL.jpg)

## Available Options

This product comes in different **Color** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Bought for the back seat of my BRZ, does everything I wanted!
*by C***S on October 31, 2022*

Gratefully, I haven't had occasion to see how well this seat protects my child in an accident, though I'll be sure to update this review if such an unfortunate thing occurs. It's important to note that a disadvantage to having this seat in a vehicle that isn't garaged is that with consistent sun exposure the top of the liner was sunbleached within two weeks of purchase. It hasn't seemed to negatively affect the durability, but it's certainly obvious I've parked in the sun. I gave this seat five stars because it's comfortable for my child, it seems stout and secure even when compared to other child seats we own, and it fits in the tiny, beveled Alcantara and leather seating of my BRZ's back seat, WITHOUT DAMAGING THE SEAT. The fun little "Child on the Go" sign was a great and unexpected perk. If you have a 2+2 sports coupe, I would recommend this seat over any other... especially if you primarily park where there isn't consistent sun exposure.

### ⭐⭐⭐⭐⭐ Love this carseat
*by E***S on September 15, 2023*

My oldest child has this same one, I love this car seat. It’s heavy, but I like that. It’s very sturdy yet not too wide like other car seats. My kids sit comfortably in it, they don’t mind riding in it. I would absolutely buy again if I needed to.

### ⭐⭐⭐⭐⭐ One of the best
*by G***S on January 13, 2023*

This car seat is slim, solid and very well designed. Storage on the back for the tether and child quick connect locks. Fits my 3 year old like a dream. Easy to hook up, besides being slightly heavy. The harness is high quality and my little guy is tucked in and well secured. Happy parent.

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-10*