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Graco® 3-in-1 Car Seat SlimFit3 LX in Kunningham

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Graco® 3-in-1 Car Seat SlimFit3 LX in Stanford. View a larger version of this product image.
Graco® 3-in-1 Car Seat SlimFit3 LX in Kunningham. View a larger version of this product image.
Graco® 3-in-1 Car Seat SlimFit3 LX in Kunningham. View a larger version of this product image.
Graco® 3-in-1 Car Seat SlimFit3 LX in Kunningham. View a larger version of this product image.
Graco® 3-in-1 Car Seat SlimFit3 LX in Kunningham. View a larger version of this product image.
Graco® 3-in-1 Car Seat SlimFit3 LX in Kunningham. View a larger version of this product image.
Graco® 3-in-1 Car Seat SlimFit3 LX in Kunningham. View a larger version of this product image.
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about the product

The SlimFit3 LX Graco 3-in-1 Car Seat fits 3 across in your back seat, saving space without compromising the safety you want and features you need. Thoughtful design choices make it easy to adjust and spacious enough to adapt to your growing child.
  • Fits 3 car seats across, saving space in your back seat without compromising on the safety you trust and the features you need
  • 3-in-1 car seat grows with your child from rear-facing harness (5-40 lb.) to forward-facing harness (22-65 lb.) to highback booster (40-100 lb.)
  • Measures 16.7" W, with a spacious seat for your child's comfort and a slim design for more room in the back seat
  • Graco ProtectPlus Engineered: a combination of the most rigorous crash tests that help to protect your child in frontal, side, rear & rollover crashes
  • 10-position No-Rethread Simply Safe Adjust Harness System allows the headrest and harness to adjust together
  • Breathable mesh AirFlow channels provide improved ventilation to keep your child cool and comfortable
  • Integrated belt lock-off for easy vehicle seat belt installation in forward-facing mode
  • Push-button InRight LATCH provides an easy, one-second attachment with an audible click to help ensure secure installation
  • 4-position recline keeps your child comfy and helps for a better installation
  • Rapid Remove cover removes in 60 seconds, without uninstalling the seat or removing the harness, so it's easy to clean even with 3 car seats installed
  • Fuss-free harness storage pockets conveniently hold the harness out of the way for easy in and out
  • Removable, plush head and body inserts help to keep your infant feeling cradled and comfortable
  • 2 removable easy-to-clean cup holders are intentionally designed to work with 3-across installation
  • Steel-reinforced frame provides strength and durability for 10 years of use
  • Measures 16.7" W x 20.7" D x 24.5" H
  • Weighs 19.2 lb.
  • 1-year manufacturer's warranty
  • Imported
  • Model 2137840 Katrina, 2137839 Kunningham; 2139663 Stanford
  • skuId: 69630443

Graco SlimFit3™ LX 3-in-1 Car Seat Comparison  Chart

Comparison Items Graco SlimFit3™ LX 3-in-1 Car Seat Graco TrioGrow® SnugLock® LX 3-in-1 Car Seat Graco 4Ever® DLX 4-in-1 Car Seat
  Shop Now Shop Now Shop Now
Top/Distinguishing Feature Slim design fits 3 car seats across, saving space in your back seat nstalls in less than one minute with SnugLock® 10 years, 1 car seat: 4-modes of use from 4-120 lb
Rear-Facing Harness Weight Capacity 5-40 lb 5-40 lb 4-40 lb
Forward-Facing Harness Weight Capacity 22-65 lb 22-65 lb 22-65 lb
Highback Belt-Positioning Booster Weight Capacity 40-100 lb 40-100 lb 40-100 lb
Backless Belt-Positioning Booster Weight Capacity N/A N/A 40-120 lb
Recline positions 4 6 6
Anti-Rebound Bar No Yes No
Extended Rear-Facing Up to 40 lb Up to 40 lb Up to 40 lb
Machine Washable Fabrics Yes, Rapid Remove seat cover Yes, Rapid Remove seat cover Yes, Rapid Remove seat cover
LATCH Push-Button InRight LATCH Equipped Push-Button InRight LATCH Equipped Push-Button InRight LATCH Equipped
Easy Install Feature Belt Lock-off: easy installation with Vehicle Seat Belt in forward-facing mode SnugLock: installs in less than one minute with Vehicle Seat Belt or LATCH Belt Lock-off: easy installation with Vehicle Seat Belt in forward-facing mode

shipping & returns

Please be aware we've temporarily extended our delivery time frames due to Covid 19 precautions at our facilities. The extended time frames will be reflected in the estimated delivery date shown at checkout.

Free Standard Shipping on Orders Over $39

Free Standard Shipping with any online purchase of $39 (merchandise subtotal excludes store pick up items; merchandise subtotal is calculated before sales tax, before gift wrap charges, and after any discounts or coupons). Truck delivery and shipping surcharges on over-sized or extremely heavy items will still apply (these charges are indicated on the appropriate product information pages and will be displayed in the shipping subtotal of your order). Orders typically arrive within 3-6 business days. Items shipped directly from the vendor or to Alaska and Hawaii have longer delivery lead times. This offer does not apply to Alaska, Hawaii, Puerto Rico or Business Direct orders.

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Ratings & Reviews

Ratings Snapshot

1063 reviews ·

Would Recommend

764 recommendations





Ease of Use


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Most Helpful Positive Review
Only seat you need! DessyMama ·
Recommended Not Recommended

My youngest is almost 4 months old. She has hated the infant seat we bought her since day one! We received the SlimFit All in one car seat for review and are in love. We rear face past age 2, and this seat is perfect for extended rear facing. My 4 year old can even still rear face in it since she is 36 lbs! I can tell that my 4 month old is extremely comfortable in this seat. Far less crying during car rides. We have a 7 passenger SUV and 4 car seats!! Slim car seats are extremely important. I found my new favorite seat! I received this product for free in exchange for my review. All thoughts are my own.

Most Helpful Critical Review
Review for FF Toddler SwissyMissyMom ·
Recommended Not Recommended

I just bought this for my forward facing 3 year old, as a 2nd carseat for my husband's car. Cons: The Latch system belt is permanently attached to the car seat by a red bar and you have to completely undo and lift up all the seating fabric to slide and reweave it through the other straps and upper latch openings, for forward facing. I would not recommend this for anyone with large hands, it was kind of a pain. This would have been super easy to remove the latch belt from rear facing slots to forward facing slots, if the belt was not permanently attached by a red bar. Other car seats I have owned, which have been many with three kids, have never had the latch belt permanently attached like this, what a pain. If I had known this, I might have selected a different car seat. Also once you remove all the baby padding from the headrest and body cushion, the car seat is hardly padded at all and doesn't seem very comfortable. My daughter said she didn't like it, when sitting in it, so I could adjust the straps for her height. I really wish it had a crotch pad, to protect little thighs from being pinched. For the price, this should definitly have been included. I am kicking myself for not noticing that it didn't have one in the pictures online. Only two positions for recline in forward facing and disappointed in the very minor difference in the two recline positions. It also feels a bit heavier then expected and definitly does not look very narrow. I currently have the clek car seat in my car and this one really leaves me regretting not spending the money to just buy another one. Pros: Love that you can adjust the crotch strap easily by simply sliding into the next slot or two, with an easy lift of the seat cover. Also love that the headrest and straps are easily adjusted by a simple pull at the top of the headrest.


Thank you for your interests in our products. We apologize for the experience you have had with our product. You will be contacted shortly by a member of our Consumer Care Team.

Customer Reviews

Showing 8 out of 1063 reviews



Cool seat for a cool kid adventureswithauntb ·
Recommended Not Recommended

Perfect for my new little nephew! Fits great in my ford focus, a safe, snug fit for the coolest baby dude. All of the customizations are awesome! Mom approves of it so she knows he is safe when he rides with me. I got it at a great price, too, even with express shipping. Excited to see him grow and always be safe when he comes over to aunty's.

Ease of Use

Very happy MitchR0 ·
Recommended Not Recommended

Easy to install and easy to use. We've used it rear facing and forward facing. It's been great

Ease of Use

These carseats saved me from being a MiniVan mom! Amanda ·
Recommended Not Recommended

When we found out we were expecting a 3rd kid, the first (okay, maybe 3rd or 4th) thing that I thought was "Oh no! Now I have to be a minivan mom... 😢 . But, after some research, I found these slim car seats, and they truly do work! I've got a Hyundai Palisade with a bench middle row, and I've got my 4yo facing forward in the middle seat, my 1.5 yo rear facing on one side, and the newborn is in a Graco Infant seat on the other side. They all fit perfectly! A few hundred bucks was a way easier investment than a new car note. I'll also say I'm from Texas, where it's hot or warm like 8 months out of the year, so I love the mesh sides. This allows way more breathability than our old carseats.

Car seat Christine Beshara ·
Recommended Not Recommended

We learned that , although we had bought a great car seat for our grandson’s visit, he had graduated to a booster seat since his last visit and so we had to buy a booster seat instead! We need to return the car seat! Please send us a return label. Thank you!

Recommend for travel not for safety. Kelsey2015 ·
Recommended Not Recommended

I bought this car seat for travel purposes and it’s worked ! It’s a bit pricey of a car seat for what you are getting as it’s not luxurious . The car seat is very light which is a huge plus for traveling and it’s also slim in design so no worries about fitting into various cars . With this being said the slim design even with only a two year old going in the seat, makes the car seat super small, and it just doesn’t seem as safe as others especially if you were in a side impact situation as there is basically no sides to the car seat. The harness system is also very stiff and not easily adjustable.

Ease of Use

Wonderful except … BB&B Customer ·
Recommended Not Recommended

Son and wife delighted to receive this from us. Speed of delivery for order time was tops. The only issue is it is missing the cup holders. 😣

Pushes head forward NZ123 ·
Recommended Not Recommended

Bought this a few months ago and have just moved my almost 6mo into it. She’s above average height and weight but even though she’s within the suggested limits the car seat pushes her head forward, looks really uncomfortable and causes major head flop when she falls asleep. Took the additional head padding out and is not a lot better. It’s almost like there needs to be an additional padding piece under the headrest and above the bottom padding (behind where the straps are). Easy to setup and adjust so may be better when she’s bigger but currently not a fan.

Ease of Use


Thank you for your review of the t SlimFit3 LX 3-in-1 Car Seat. We do apologize for the issue with the fit of the car seat. A member of our Consumer Care Team will be reaching out to further assist you.

Defective product and long time without refund Stephanie ·
Recommended Not Recommended

I was sent a defective product. There was a missing piece that wouldn't allow you to secure the straps. I sent the carseat back and it got to the warehouse last Wednesday. I still have had no communication about what is going on with my return. Pretty scary to have such a quality issue with a carseat and poor service.


We appreciate you sharing your experience with us! We are always looking for ways to improve, and appreciate all of your feedback and insight, thank you for your time! If we can be of any assistance please feel free to reach out to our Consumer Care Team by phone at 800-345-4109, M-F 9am-5pm EST. Graco team

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