---
product_id: 603023380
title: "Diono Radian 3R SafePlus, All-in-One Convertible Car Seat, Rear and Forward Facing, SafePlus Engineering, 10 Years 1 Car Seat, Slim Fit 3 Across, Blue Sky"
brand: "diono"
price: "€ 357.09"
currency: EUR
in_stock: false
url: https://www.desertcart.sk/products/603023380-diono-radian-3r-safeplus-all-in-one-convertible-car-seat
store_origin: SK
region: Slovakia
---

# Slim fit design fits 3 across 12-position headrest for perfect fit 6-layer SafePlus side impact protection Diono Radian 3R SafePlus, All-in-One Convertible Car Seat, Rear and Forward Facing, SafePlus Engineering, 10 Years 1 Car Seat, Slim Fit 3 Across, Blue Sky

**Brand:** diono
**Price:** € 357.09
**Availability:** ❌ Out of Stock

## Summary

> 🛡️ Safety that grows with them, style that fits your life.

## Quick Answers

- **What is this?** Diono Radian 3R SafePlus, All-in-One Convertible Car Seat, Rear and Forward Facing, SafePlus Engineering, 10 Years 1 Car Seat, Slim Fit 3 Across, Blue Sky by diono
- **How much does it cost?** € 357.09 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.sk](https://www.desertcart.sk/products/603023380-diono-radian-3r-safeplus-all-in-one-convertible-car-seat)

## 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

- • **All-in-One Longevity:** From newborn to booster (4-120 lbs), one seat for a decade of safety and growth.
- • **Space-Savvy Slim Fit:** Fits 3 car seats across most midsize vehicles without compromising comfort or safety.
- • **Effortless Adjustability:** One-hand, 12-position Easy-Adjust headrest ensures a perfect, secure fit as your child grows.
- • **Travel-Ready Convenience:** FAA approved, foldable design with XL steel-reinforced cup holder and machine washable covers.
- • **Extended Rear-Facing Safety:** Rear-facing up to 50 lbs with reinforced SafePlus steel core for ultimate crash protection.

## Overview

The Diono Radian 3R SafePlus is a premium all-in-one convertible car seat engineered for maximum safety and convenience. Designed to grow with your child from birth to booster (4-120 lbs), it features a reinforced steel core, 6 layers of side impact protection, and a slim profile that fits 3 across most vehicles. With 12 adjustable headrest positions, FAA certification, and travel-friendly features like foldability and washable covers, it’s the ultimate long-term investment in your child’s safety and your peace of mind.

## Description

The Original 3-Across All-in-One Car Seat upgraded edition. All-in-One Car Seat just got better. Updated with 12 improvements from the original Radian 3R, the Diono Radian 3R SafePlus features Diono SafePlus engineering, SafePlus Easy-Adjust 12 Position Headrest and improved SafePlus Side Impact Protection for complete protection from birth to booster (now suitable from 4 - 120 lb.) Lovingly engineered with the improved SafePlus Steel-Core, and as both a rear and forward-facing convertible car seat, the Radian 3R SafePlus protects as they grow, with SafePlus Easy-Adjust 12 Position Headrest. The new and improved Radian 3R SafePlus features energy-absorbing Side Impact Protection and extended side walls to reduce the impact of side crashes, all without affecting our slim fit 3-Across design in most midsize vehicles. The Radian 3R SafePlus comes with Anti-Rebound Bar slots for optional Anti-Rebound Bar (sold seperately) for added rear-facing safety. Radian 3R SafePlus All-in-One Convertible Car Seat is subjected to a combination of the most rigorous crash tests to ensure the safest seat possible. In addition to our regular extensive crash testing, we test over and above - including roll-over and side-impact tests, to achieve results above and beyond the current Federal standards. Our Easy-Click SuperLATCH system (UAS Compatible) makes installation easy and super secure. Radian 3R SafePlus now comes with an XL Steel-Reinforced Cup Holder to keep drinks and snacks handy on the go, and as travel car seat experts, Diono has naturally built-in super portable and convenient features to the Radian 3R SafePlus with travel fold for easy transport and storage and easy remove machine washable covers. The radian is also aircraft certified (FAA approved), so you can take safety with you wherever you go.

## Features

- 10 Years One Car Seat - from Birth to Booster (4 - 120 lb) it's all you will need. Grows with your child, ultimate protection on every road trip. 4 modes in 1 seat!
- Rear Facing for Longer - lovingly engineered to keep your child rear-facing up to 50 lb, with SafePlus Engineering.
- Fits 3-Across - our famous slim-fit design with SafePlus 6-layer side impact protection with zero compromises to safety, space, or comfort.
- Mechanically engineered from reinforced automotive grade high-strength steel, our unique core shell shields and protects your child.
- One hand easy-adjust 12-position headrest, the SafePlus completes 6 layers of enhanced, rigorously tested, side impact protection.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Model number | 50633 |
| Product Dimensions | 40.64 x 43.18 x 72.39 cm; 13.3 kg |
| Item model number | 50633 |
| Minimum weight recommendation | 4 Pounds |
| Maximum weight recommendation | 120 Pounds |
| Minimum height recommendation | 18.1 Inches |
| Maximum height recommendation | 57.1 Inches |
| Material Type | Alloy Steel Plastic Polypropylene Polystyrene |
| Material Composition | 100% Polyester |
| Care instructions | Covers: Machine wash cold, dry flat. Shell and Components: Spot clean |
| Number of items | 1 |
| Style | Radian 3R SafePlus Fits 3 Across |
| Number of reclining positions | 12 |
| Batteries required | No |
| Orientation | Convertible Seat |
| Rear-facing minimum child weight | 4 Pounds |
| Rear-facing maximum child weight | 50 Pounds |
| Forward-facing minimum child weight | 22 Pounds |
| Forward-facing maximum child weight | 120 Pounds |
| Harness type | 5-Point |
| Item Weight | 13.3 Kilograms |

## Product Details

- **Brand:** diono
- **Installation type:** Latch
- **Material:** Alloy Steel Plastic Polypropylene Polystyrene
- **Colour:** Blue Sky
- **Orientation:** Convertible Seat

## Images

![Diono Radian 3R SafePlus, All-in-One Convertible Car Seat, Rear and Forward Facing, SafePlus Engineering, 10 Years 1 Car Seat, Slim Fit 3 Across, Blue Sky - Image 1](https://m.media-amazon.com/images/I/719YKWueBUL.jpg)
![Diono Radian 3R SafePlus, All-in-One Convertible Car Seat, Rear and Forward Facing, SafePlus Engineering, 10 Years 1 Car Seat, Slim Fit 3 Across, Blue Sky - Image 2](https://m.media-amazon.com/images/I/71W0kLwWBzL.jpg)
![Diono Radian 3R SafePlus, All-in-One Convertible Car Seat, Rear and Forward Facing, SafePlus Engineering, 10 Years 1 Car Seat, Slim Fit 3 Across, Blue Sky - Image 3](https://m.media-amazon.com/images/I/81osBI9Rr3L.jpg)
![Diono Radian 3R SafePlus, All-in-One Convertible Car Seat, Rear and Forward Facing, SafePlus Engineering, 10 Years 1 Car Seat, Slim Fit 3 Across, Blue Sky - Image 4](https://m.media-amazon.com/images/I/71rBuLoB96L.jpg)
![Diono Radian 3R SafePlus, All-in-One Convertible Car Seat, Rear and Forward Facing, SafePlus Engineering, 10 Years 1 Car Seat, Slim Fit 3 Across, Blue Sky - Image 5](https://m.media-amazon.com/images/I/81HghsqRMgL.jpg)

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*Product available on Desertcart Slovakia*
*Store origin: SK*
*Last updated: 2026-01-26*