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SITS Fav SEAT

Diono Monterey 4DXT

Learn more about the Diono Monterey 4DXT booster seat.

Seat is good for you if
  • You have a tall child.
  • You have non-removable headrests.
Use caution if you
  • You need to fit car seats 3 across in your vehicle.
Stand-out features
  • It has lower anchors
Buy Now: 
SITS checks manufactures and retailers daily to ensure these are the lowest prices available for these models.
Diono
Monterey 4DXT
Buy Now
177.99

Our Review of the 

Diono Monterey 4DXT

Learn more about the Diono Monterey 4DXT booster seat.

Age

Type

A 2-in-1 booster that has a high back and a backless mode

When

Buy Now: 
SITS checks manufactures and retailers daily to ensure these are the lowest prices available for these models.
Diono
Monterey 4DXT
Buy Now
177.99
Michelle sitting in a chair reading a book.

Seat is good for you if 

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You have a tall child.

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You have non-removable headrests.

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Use caution if

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You need to fit car seats 3 across in your vehicle.

c-warning

c-warning

Quirks to be aware of

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c-question

c-question

airplane

Airplane Use

Videos

This carseat does not have any videos yet.

SITS Bottom Line

Buy Now: 
SITS checks manufactures and retailers daily to ensure these are the lowest prices available for these models.
Diono
Monterey 4DXT
Buy Now
177.99

Similar Car Seats

This car seat does not have any other versions.

Specifications

Diono

Monterey 4DXT

Product Information

Weight: 18.8lbs

Width: 22"

Rear Facing Limits

Forward-Facing Limits

No Back Booster Limits

Height: 38-63"

Weight: 40-120lbs

Head Height Rules: child must have vehicle head support to at least the top of their ears

Highest Belt Guide Settings

22"

High Back Booster Limits

Height: 38-63"

Weight: 40-120lbs

Head Height Rules: ears must be below the top of the headrest

Other Important Details

Expiration Limit

8 years

Crash Replacement Policy

replace after a moderate or severe crash

Vehicle Seat Protectors

This brand allows Diono mats:

Diono Ultra Mat

Diono Grip It Car Seat Protector

Diono Super Mat

Other Accessories Approved For This Brand

Diono Ultra Dry Seat Child Car Seat Pad