---
product_id: 619778009
title: "Safety 1st OnBoard 35 LT Adjustable Infant Car Seat Base, Black"
brand: "safety 1st"
price: "AR$595111"
currency: ARS
in_stock: false
reviews_count: 5
url: https://www.desertcart.com.ar/products/619778009-safety-1st-onboard-35-lt-adjustable-infant-car-seat-base
store_origin: AR
region: Argentina
---

# Adjustable for perfect fit Latch-equipped for secure install Lightweight 6 lbs base Safety 1st OnBoard 35 LT Adjustable Infant Car Seat Base, Black

**Brand:** safety 1st
**Price:** AR$595111
**Availability:** ❌ Out of Stock

## Summary

> 🚀 Ready, Set, Go! Travel smarter with the OnBoard 35 LT Base.

## Quick Answers

- **What is this?** Safety 1st OnBoard 35 LT Adjustable Infant Car Seat Base, Black by safety 1st
- **How much does it cost?** AR$595111 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.ar](https://www.desertcart.com.ar/products/619778009-safety-1st-onboard-35-lt-adjustable-infant-car-seat-base)

## Best For

- safety 1st enthusiasts

## Why This Product

- Trusted safety 1st brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Featherlight & Compact:** At just 6 pounds, it’s sturdy without the bulk—easy to move and store.
- • **Seamless Compatibility:** Designed exclusively for the OnBoard 35 LT infant car seat for perfect integration.
- • **Parent-Approved Comfort:** Highly rated for its soft, sturdy design that keeps baby safe and you stress-free.
- • **Secure Latch Installation:** Latch system ensures a rock-solid, hassle-free setup every time.
- • **Effortless Dual-Car Convenience:** Keep an extra base in your second car for instant baby-ready travel.

## Overview

The Safety 1st OnBoard 35 LT Adjustable Infant Car Seat Base offers a lightweight, latch-equipped, and adjustable solution designed exclusively for the OnBoard 35 LT infant car seat. Perfect for busy parents, it allows quick, secure installation in multiple vehicles, ensuring your baby’s safety and your peace of mind on every trip.

## Description

Everyone loves a little extra time. Installing an extra base in your second car makes it easier when traveling with baby. Choose your car, click in your existing onBoard35 LT car seat, and you'll be able to get on the road right away.

Review: So cute, sturdy and soft. Not bulky! - This car seat is very nice, sturdy and the seating is so soft. Not bulky or heavy like other car seats I’ve gotten. Excited to bring my baby boy home in this. Definitely recommend!
Review: Great base - Very easy installation, easy to adjust to different cars. Secure attachment to seat.

## Features

- Use with your onboard 35 it infant car seat
- Adjustable, stay in car base
- Latch equipped

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B077634FDN |
| Age Range Description | Baby,Infant |
| Brand | Safety 1st |
| Brand Name | Safety 1st |
| Colour | Base - Black |
| Customer Reviews | 4.8 out of 5 stars 4,267 Reviews |
| Global Trade Identification Number | 00884392610449 |
| Harness Type | 3-Point |
| Installation Type | Latch |
| Installation type | Latch |
| Item Dimensions D x W x H | 21.6D x 60.2W x 40.6H centimetres |
| Item Weight | 6 Pounds |
| Manufacturer | Dorel Juvenile Group-CA |
| Manufacturer Part Number | IC289BLK |
| Material | Plastic |
| Material Type | Plastic |
| Maximum Weight Recommendation | 35 Pounds |
| Model Number | IC289BLK |
| Number of Height Positions | 1 |
| Orientation | Forward Facing |
| Product dimensions | 21.6D x 60.2W x 40.6H centimetres |
| UPC | 884392610449 |
| Unit Count | 1.0 count |

## Product Details

- **Brand:** Safety 1st
- **Colour:** Base - Black
- **Harness type:** 3-Point
- **Installation type:** Latch
- **Item weight:** 2.72 kg
- **Material:** Plastic
- **Maximum weight recommendation:** 15.88 kg
- **Number of height positions:** 1
- **Orientation:** Forward Facing
- **Product dimensions:** 21.6D x 60.2W x 40.6H centimetres

## Images

![Safety 1st OnBoard 35 LT Adjustable Infant Car Seat Base, Black - Image 1](https://m.media-amazon.com/images/I/71smVwer8zL.jpg)
![Safety 1st OnBoard 35 LT Adjustable Infant Car Seat Base, Black - Image 2](https://m.media-amazon.com/images/I/71HcQNHC-CL.jpg)
![Safety 1st OnBoard 35 LT Adjustable Infant Car Seat Base, Black - Image 3](https://m.media-amazon.com/images/I/51W8nNci5lL.jpg)
![Safety 1st OnBoard 35 LT Adjustable Infant Car Seat Base, Black - Image 4](https://m.media-amazon.com/images/I/51X-GXUJmyL.jpg)
![Safety 1st OnBoard 35 LT Adjustable Infant Car Seat Base, Black - Image 5](https://m.media-amazon.com/images/I/71v1XdpGCrL.jpg)

## Questions & Answers

**Q: What’s the weight of car seat without the base?**
A: Hello. The weight of this car seat without the base is 7.3 lbs.

**Q: Does this car seat come with a base?**
A: Hello, and thanks for your inquiry!  Yes.  The onBoard 35 LT infant car seat comes with (1) stay-in-car convenience base.

**Q: Does this work with pivot system?**
A: Hello there! The Safety 1st OnBoard 35 LT base is only compatible with the following infant car seats: OnBoard 35 LT, OnBoard 22, Light N Comfy, OnBoard 35 FLX and the Surefit 35 LT.

**Q: does this carseat come with a base?**
A: Hello there! Thank you for your question. Yes, the Safety 1st Onboard 35 LT Infant Car Seat will come with a base for vehicle installation.

## Customer Reviews

### ⭐⭐⭐⭐⭐ So cute, sturdy and soft. Not bulky!
*by B***L on 6 December 2025*

This car seat is very nice, sturdy and the seating is so soft. Not bulky or heavy like other car seats I’ve gotten. Excited to bring my baby boy home in this. Definitely recommend!

### ⭐⭐⭐⭐⭐ Great base
*by J***N on 7 May 2026*

Very easy installation, easy to adjust to different cars. Secure attachment to seat.

### ⭐⭐⭐⭐⭐ Quick and easy!
*by L***D on 3 October 2025*

I’ve bought this car seat base three times now because it makes life so much easier with little ones. We have one in each of our cars so we don’t have to worry about moving just one back and forth. Installation is quick and secure, and I always feel confident that my baby is safe. The seat clicks in and out smoothly, which is a huge help when juggling kids and diaper bags. With two kids (a toddler and a newborn), the convenience of having multiple bases has been a total lifesaver for our busy family. Highly recommend to any parent who wants both safety and simplicity!

## Frequently Bought Together

- Safety 1st onBoard 35 LT Adjustable Infant Car Seat Base
- Safety 1st Grow and Go All-in-One Convertible Car Seat, Rear Facing Car Seat 5-40 lbs, Forward Facing Car 30–65 lbs, High Back Booster Seat 40-100 lbs, Dunes Edge
- Safety 1st Grow and Go Flex 8-in-1 Car Seat Stroller Combo, Baby Stroller Travel Systems for Infants 4-30 lbs, Stroller and Carseat Combo Set, Foundry

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**Shop now:** [https://www.desertcart.com.ar/products/619778009-safety-1st-onboard-35-lt-adjustable-infant-car-seat-base](https://www.desertcart.com.ar/products/619778009-safety-1st-onboard-35-lt-adjustable-infant-car-seat-base)

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*Product available on Desertcart Argentina*
*Store origin: AR*
*Last updated: 2026-10-04*