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Graco Tranzitions 3 in 1 Harness Booster

5.0 (2 reviews)



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3 in 1 Harnessed Booster Car Seat by Graco

Graco’s Tranzitions® 3-in-1 harness booster is designed to grow with your child and go with you, wherever your journeys take you – from car to carpool and beyond.

This lightweight car seat transitions seamlessly from harness booster (10 – 30 kg) to high back booster (14 – 45 kg) to backless booster (18 – 45 kg) and features the Simply Safe Adjust™ Harness System, which adjusts your harness and headrest to 8 height positions, with no rethreading. It features two removable cup holders to keep your child happy, and a machine washable seat pad, body insert and harness covers.


  • Harness booster mode: 10 – 30 kg
  • Highback/Full Booster mode: 14 – 45 kg
  • Backless Booster mode: 18 – 45 kg
  • Lightweight, portable seat is ideal for busy, active parents
  • One-hand, 8-position adjustable headrest easily adapts for your growing child
  • Integrated, dual cup holders help keep your child’s drink close
  • Open-loop belt guides help you correctly position your vehicle’s seat belt
  • Seat pad, body support and harness covers are comfortable and machine-washable
  • Rigorously crash tested to meet or exceed U.S. safety standards
  • Side Impact Tested* *In addition to meeting or exceeding all applicable US safety standards, Tranzitions™ has been side impact tested for occupant retention solely with the built-in 5-point harness system


Graco ProtectPlus Engineered is a combination of the most rigorous crash tests that help to protect your little one in frontal, side, rear & rollover crashes, and additional testing based on the New Car Assessment Program and for extreme car interior temperatures.

  • Frontal-Impact Tested
  • Side-Impact Tested*
  • Rear-Impact Tested
  • Tranzitions has been tested using Graco’s RollSafe™ testing standard
  • Tested using New Car Assessment Program (NCAP) – peak crash force approximately 2X Car Seat Standard
  • Tested to Extreme Car Interior Temperatures
  • Meets or exceeds NHTSA’s Federal Motor Vehicle Safety Standard (FMVSS) 213**

*In addition to meeting or exceeding all applicable US safety standards, this car seat has been side-impact tested for occupant retention with the built in 5-point harness system and in the highback belt-positioning modes.

Graco have tested for all types of mats so you can use any brand car seat mat, towel or thin blanket under and behind the seat. Make sure the seat protection you use does not interfere with the seat belt etc.

Weight0.00000000 kg

6.7 kg


37 cm


44.4 cm


67 – 84 cm


Yes (Latch)

Forward Facing


Rearward Facing


New Zealand Standard 'S' mark


Side-Impact Protection


Energy-Absorbent Foam


Expiry Date

7 years from date of manufacture

Washable Covers

Seat pad, body support and harness covers are comfortable and machine-washable.

Height Range

As Harness Booster 67.3 – 124.4 cm. As Seat Belt Booster: 96.5 – 145 cm. As Backless Booster: 101 cm – 145 cm

Weight Range

As Harness Booster: 10 – 30 kg, Seat Belt Booster: 14 – 45 kg


5 point harness

Top Tether

NHTSA (National Highway Traffic Admin US) requires Graco to pass testing both with and without the top tether. However, we highly recommend using the top tether when forward facing.



Seat Belt System

3 point seat belt or lap belt. Ok to use with over lapping seat belts, check that the lower anchor belt or seat belt must not rub on each other or interfere with each other when installing the seat.




Hire Pricing

1 DAY - 1 WEEK$60.00
1 MONTH$120.00
3 MONTHS$160.00
6 MONTHS$200.00

2 reviews for Graco Tranzitions 3 in 1 Harness Booster

  1. Corrina Foster

    I purchased this recently. It arrived promptly and was very easy to set up in my car. Now I can take my granddaughter for drives in my car and she is loving it. It is fairly light to carry also and looks comfortable and easy to keep clean. Overall I am very happy with my purchase.

  2. Amy

    Purchased for my daughter, absolutely love it, really compact seat bonus for a Mum it 5. Highly recommend this seat and great price too!

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  • Is the expiry date for this car seat 7 or 10 years, from purchase or manufacture date?

    Hi Annalise, the Graco Tranzitions 3 in 1 harness booster expiry date is 7 years, from date of manufacture. We hope that helps.

    Question by : Annalise Sharp on May 9, 2020 08:27:58 PM
  • What is the date of manufacture?If i purchased one today, what is the date of manufacture of the one i'd be sent?

    Hi Karen, thank you for your inquiry, as we can not presume where you seat is being sent from we cannot give you an exact date, however, the seats are April 2020. We hope this helps.  If you follow the link this will take you to our online store finder. Here you can find contact details for your nearest Baby On The Move Store where one of our team experts will be happy to assist you in your product search and help answer any further questions you may have.

    Question by : Karen on Aug 19, 2020 11:50:46 AM

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