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Tranzitions 3 in 1 Harness Booster

Tranzitions 3 in 1 Harness Booster

Product Code: GTRANZ-PROOF
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3 in 1 Harness 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
  • Locking clip required for ELR seat belts *sold separetely



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
  • 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.

Product Dimensions
Weight6.7 kg
Depth37 cm
Width47 cm
Height67 - 84 cm
Child's Age, Height & Weight
Height RangeAs Harness Booster 67.3 - 124.4 cm. As Seat Belt Booster: 96.5 - 145 cm. As Backless Booster: 101 cm - 145 cm
Weight RangeAs Harness Booster: 10 – 30 kg, Seat Belt Booster: 14 – 45 kg
Installation Method
IsofixYes LATCH
Top TetherGraco has tested this seat with and without the top tether. However we highly recommend using the top tether when forward facing, the top tether will improve the stability of your child seat and reduce the risk of injury.
Rearward FacingNo
Forward FacingYes
Safety Standard
New Zealand Standard 'S' markYes
Safety Features
Side-Impact ProtectionYes
Energy-Absorbent FoamYes
Extended Features
Expiry Date7 years from date of manufacture
Washable CoversSeat pad, body support and harness covers are comfortable and machine-washable.
Harness5 point harness
Questions2Answers2|Expand All
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.
    Baby On The Move Team
    Was this answer helpful?0
Is the expiry date for this car seat 7 or 10 years, from purchase or manufacture date?
Annalise Sharp
  • Hi Annalise, theGraco Tranzitions 3 in 1 harness booster expiry date is 7 years, from date of manufacture. We hope that helps.
    Baby On The Move Team
    Was this answer helpful?0

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