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Diono connect3 backless - connect3,
$39.99
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Adjustable car booster - adjustable, seat
$32.99
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Chicco fit3x cleartex - fit3x,
$172.00
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Adjustable car booster seat - adjustable,
$44.30
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Hybrid desert grey - desert,
$108.15
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Baby trend hybrid in - baby, si
$103.23
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Chicco fit3x cleartex - fit3x,
$138.00
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Kids embrace incredible 1 - kids,
$316.25
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Cosco topside backless booster - cosco,
$31.76
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Baby trend hybrid - trend,
$116.97
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Diono connect3 backless - diono, r
$74.99
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Adjustable car booster seat - adjustable,
$42.89
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Graco tranzitions 1 - tranzitions, 3-in-1
$138.99
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Chicco fit3x cleartex - chicco,
$172.49
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Chicco fit3x cleartex - chicco,
$168.00
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Adjustable car booster seat - adjustable,
$45.99
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Car seat booster cushion - seat,
$10.99
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Adjustable car booster - adjustable,
$46.95
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Safety 1st quickfit all - 1st,
$59.00
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Safety 1st quickfit all one - 1st,
$59.00
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Car seat booster cushion - seat,
$16.99
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Cosco topside backless - topside,
$32.06
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Travel tray tablet - travel, tray/tablet
$27.95
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Hombys adjustable car booster - adjustable,
$45.78
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Hombys adjustable car - hombys,
$45.78
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Hombys adjustable car - hombys,
$45.78
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Graco slimfit in 1 - slimfit, 3-in-1
$209.00
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Hombys adjustable car - adjustable,
$45.36
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Adjustable car booster seat - car,
$45.43
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Car booster seat cushion - booster,
$58.59
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Diono radian in 1 - diono, 3-in-1
$199.99
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Chicco fit3x cleartex - chicco,
$168.00
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Graco extend2fit 1 - graco, 3-in-1
$190.00
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Adjustable car booster seat - car,
$39.91
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Hombys adjustable car booster - car,
$51.54
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Graco slimfit car - 3-in-1, seat
$239.00
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Adjustable car booster - adjustable,
$42.79
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Hombys adjustable car booster - adjustable,
$45.78
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Diono radian in 1 - diono, 3-in-1
$219.99
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Chicco fit3x cleartex - fit3x,
$166.00
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Diono connect3 rxt 1 - connect3,
$149.99
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Lookout booster car - lookout,
$85.63
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Car seat cushion honeycomb - cushion,
$16.69
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Adjustable car booster - car, seat
$42.29
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New convaid carrot - carrot,
$1840.00
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Chicco fit3x cleartex - chicco,
$168.00
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Pt harness booster - 5,
$173.95
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Hombys adjustable car booster - hombys,
$57.57
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Booster car seat - booster,
$247.73
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Baby trend hybrid - trend,
$170.00
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Safety 1st grow - 1st,
$136.00
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Hombys adjustable car - car, booster
$57.57
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Chicco fit3x cleartex - chicco,
$160.99
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Diono radian all - diono,
$171.99
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Adjustable car booster seat - booster,
$46.15
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Car seat booster cushion - car,
$19.63
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Maxi cosi pria max 1 - pria,
$249.99
Buy It Now
Hombys adjustable car booster - hombys,
$50.54
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Graco turn2me car seat - 3-in-1,
$287.99
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Adjustable car booster seat - car,
$45.99
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Diono radian all one - diono,
$220.99
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Peony tiles toddler - tiles, booster
$65.83
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Safety 1st boost - safety, boost-and-go
$75.00
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Adjustable car booster - car, seat
$47.49
Buy It Now
Adjustable car booster seat - adjustable,
$47.10
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Mifold grab and compact - grab, go
$34.89
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Adjustable car booster seat - adjustable,
$46.17
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Ultra lightweight backless - ultra,
$35.19
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Adjustable car booster - adjustable,
$44.99
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Car booster seat cushion - seat, raise
$44.45
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Cosco kids topside booster car - cosco,
$28.99
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Bright starts disney cars - bright, my
$39.99
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Adjustable car booster seat - adjustable,
$54.99
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Adjustable car booster - adjustable, seat
$39.91
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Maxi cosi pria 1 - maxi-cosi,
$229.99
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New comfort grab - new, grab-and-go
$113.32
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Car seat cushion honeycomb - car,
$16.61
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Car booster seat 19x18 - car,
$41.79
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Baby booster seat - baby,
$161.49
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W 3 h car - w, ×
$47.19
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Zavm car booster - zavm,
$36.20
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Graco triride in - graco®, 3-in-1
$312.48
Buy It Now
Britax one4life slim - britax,
$329.99
Buy It Now
Car seat forward - 3,
$251.99
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Adjustable car booster - car,
$48.09
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Grand booster car - grand, 2-in-1
$118.85
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Snoozer lookout console - lookout,
$89.99
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Car seat cushion - car, for
$29.22
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Adjustable car booster seat - car, 3
$53.19
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W 3 h car - 17.7"l×16.9"w, ×3"h
$43.19
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Chicco fit3x cleartex - chicco,
$172.00
Buy It Now
Car booster seat - cushion, raise
$55.49
Buy It Now
Car seat cushion honeycomb - car,
$16.05
Buy It Now
Adjustable car booster seat - car,
$44.68
Buy It Now
Chicco fit3x cleartex - chicco,
$172.49
Buy It Now
Adjustable car booster - adjustable,
$45.99
Buy It Now
Looking for more car booster seats 3?
Search eBay live — fresh results filtered for the best value, updated every hour.
Browse 96 car booster seats 3 listings currently in our index. Prices range from $10.99 to $1840, with an average of $117.64. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about car booster seats 3 →
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Whether you are looking for a brand-new or second-hand car booster seats 3, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at $10.99, while premium listings can reach $1840 — giving you a wide budget spread to work with. The average price of $117.64 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.