Graco

Graco Nautilus 2.0 3-in-1 Harness Booster Car Seat

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Item # 990550960
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Highlights

  • 3 modes of use in one seat: forward-facing harness (26.5-65 lb), highback booster (40-100 lb), and backless booster (40-120 lb)     
  • Forward-facing harness for children 26.5-65 lb up to 49 in; highback and backless booster for children at least 4 years and 43-57 in   
  • Simply Safe Adjust harness: adjust headrest and harness together in one motion — no rethreading needed   
  • Steel-reinforced frame rated for 10 years of use from manufacture date; 4-position recline for growing comfort   
  • Graco ProtectPlus Engineered and side-impact tested for protection in frontal, side, rear, and rollover crashes
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graco nautilus 2.0 3-in-1 harness booster car seat Crane centered front-facing view showing charcoal Crane fabric with textured seat insert, integrated 5-point harness and central buckle, Simply Safe Adjust one-hand headrest, 4-position recline base, two built-in cup holders and visible steel-reinforced frame label on white background; suitable for use as a travel-ready booster.
Graco Nautilus 2.0 3-in-1 Harness Booster Car Seat
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About this item

Product details

Versatile 3-in-1 Design for Growing Kids

The Graco Nautilus 2.0 3-in-1 Harness Booster Car Seat in Crane is designed to adapt to your child's needs as they grow. It transitions seamlessly between three modes: forward-facing harness mode for toddlers (26.5 to 65 lbs, up to 49 inches), highback booster mode for children aged 4 years and up (40 to 100 lbs), and backless booster mode for older kids (40 to 120 lbs). This car seat truly grows with your child, offering safety and comfort at every stage.

Effortless Adjustments for Busy Parents

The Simply Safe Adjust harness system simplifies your life by allowing you to adjust the headrest and harness in one smooth motion without rethreading. With a 4-position recline and a 10-position one-hand adjustable headrest, this car seat ensures a perfect fit and maximum comfort for your child, no matter their age or size.

Built to Last with Superior Safety Features

Constructed with a steel-reinforced frame, the Graco Nautilus 2.0 is built to last up to 10 years from the manufacture date. It is rated for children up to 120 lbs and features Graco ProtectPlus Engineered technology, offering protection against frontal, side, rear, and rollover crashes. Additionally, it has been side-impact tested for added peace of mind.

Convenient Design and Modern Style

This car seat is as practical as it is stylish, featuring two integrated cup holders for your child's snacks and drinks. The sleek Crane colorway adds a modern touch to your vehicle's interior, making it a functional and fashionable choice for families on the go.

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Specifications

Key Specifications
Product Type: Graco Nautilus 2.0 3-in-1 Harness Booster Car Seat, Crane colorway. Model #2214354. 3 modes: forward-facing harness, highback booster, backless booster. Seat expiration: 10 years from manufacture date.
Key Features: 3 modes (forward-facing harness, highback booster, backless booster); Simply Safe Adjust no-rethread harness; 4-position recline; 10-position one-hand adjustable headrest; 5-point harness (harness mode); steel-reinforced frame; EPS energy-absorbing foam; 2 integrated cup holders; open-loop belt guides; Graco ProtectPlus Engineered; side-impact tested; 10-year seat expiration
Height, Age, & Weight Limits (minimums & maximums if applicable) Height: Forward-facing harness: up to 49 in; highback/backless booster: 43-57 in. Age: Forward-facing harness: 2 years and up; highback/backless booster: at least 4 years old. Weight: Forward-facing harness: 26.5-65 lb; highback booster: 40-100 lb; backless booster: 40-120 lb.
Material Callouts if applicable Steel-reinforced plastic shell; EPS foam; polyester fabric
Use & Care Instructions No assembly required; installs using vehicle seat belt (booster modes) or LATCH (harness mode)
Dimensions Refer to product instruction manual for dimensions
Weight of Product Approx. 20.5 lb
Safety Certifications (if applicable) Graco ProtectPlus Engineered (frontal, side, rear, rollover); side-impact tested; meets FMVSS 213; 10-year expiration from manufacture date
Warranty Information (if applicable) 1-year limited warranty; contact Graco at gracobaby.com or 1-888-224-5649

Member ratings & reviews

4.7 out of 5 stars
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Showing 1-3 of 503 reviews

Sep 22, 2026
Reviewer name: Gitty
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Very user friendly

[This review was collected as part of a promotion.] The installation was straightforward and the manual is easy to understand! The kid loves her new car seat! I love that it converts to a booster, she will be able to use it for a while! I also love that it has an option to install using the lower anchors, and the no rethread harness is such a great feature. It feels very safe and secure.

Review from gracobaby.com
Helpful?6SU6H4WC7IQV20502661879
Jun 17, 2026
Reviewer name: Enmm
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Overall experience

[This review was collected as part of a promotion.] Installation was very easy. Besides following the instruction manual, there are also helpful installation videos available on YouTube. Overall, the car seat looks safe and comfortable. The fabric feels soft, although my niece tends to sweat easily, so it can get a little warm during the summer. However, with the air conditioning on, it hasn't been a major issue. Since this car seat doesn't have extremely deep side bolsters, I think it may be a better fit for slightly older children who prefer a roomier seat. A couple of things I wish could be improved: the side headrest padding feels a bit firm and doesn't have as much cushioning as I expected. Also, there are only two crotch buckle positions. Having one additional position would provide more flexibility. My 5-year-old niece is already using the outermost slot, and when she wears a fluffy dress, the buckle area can feel quite snug. She has occasionally mentioned that it feels a little tight and uncomfortable. That said, for this price point, I really appreciate that this is a 3-in-1 car seat with a steel-reinforced frame. The overall safety design gives me peace of mind, and I feel confident keep using it.

Review from gracobaby.com
Helpful?6SU6H4WC7IQV20502661879
Apr 20, 2026
Reviewer name: Cici25
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Great car seat!

[This review was collected as part of a promotion.] I bought this a month ago and my 3.5 year old absolutely loves it. The fit is comfortable and it's easy to install!

Review from gracobaby.com
Helpful?6SU6H4WC7IQV20502661879

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