Best car seat bases Deals Online in the US
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Graco SnugRide Lite Infant Car Seat BaseGraco -
Graco SnugRide Lite Infant Car Seat BaseUsedGraco
Chicco KeyFit 30 Infant Car Seat Base- Anthracite, Brand New!! Creased Box
Baby Trend EZ-Lift™ Plus Infant Car Seat BaseBaby Trend- Best Value
Universal Car Van Motorhome Seat Swivel Base Turntable Rotatable Adaptor TruckFree Shipping 
Safety 1st onBoard 35 LT Adjustable Infant Car Seat BaseSafety 1st
Safety 1st onBoard 35 LT Adjustable Infant Car Seat BaseUsedSafety 1st-
UPPAbaby Mesa 0262 Car seat Infant Base - Black 07/2023 #U9055 (AR)Used
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Evenflo Litemax 30 Infant Car Seat BaseEvenflo
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Car Seat Rotating Base Kit Made of Black Metal Material
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Evenflo Litemax 30 Infant Car Seat BaseUsedEvenflo
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Chicco KeyFit Infant Car Seat Base, Stay-in-Car Rear-Facing Base | Anthracite/GreyChicco
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NRG INNOVATIONS SBR-001 UNIVERSAL DUAL LOCK DESIGN CAR RACING SEAT BASE SLIDER
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Evenflo LiteMax LX Infant Car Seat BaseEvenflo
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Universal Dual Lock Design Car Racing Seat Base Slider Rail Bracket Bucket Mount
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Chicco KeyFit Max Infant Car Seat Base, Stay-in-Car Base for Second Vehicle, Compatible with Chicco KeyFit, KeyFit 30, KeyFit 35 and KeyFit Max Infant Car Seats | Anthracite/GreyChicco
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SBR-001 UNIVERSAL DUAL LOCK DESIGN CAR RACING SEAT BASE SLIDER BRACKET RAIL
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Chicco Fit360 Rotating Convertible Car Seat Base, Additional Base for The Fit360 Rotating Convertible Car Seat, LeverLock Installation | Anthracite/GreyChicco
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Universal Dual Lock Design Car Racing Seat Base Slider Rail Bracket Bucket Steel
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Graco SnugRide SnugFit Infant Car Seat Base, BlackGraco
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Universal Dual Lock Design Car Racing Seat Base Slider Rail Bracket Bucket Steel
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Graco SnugRide SnugFit Infant Car Seat Base, BlackUsedGraco
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Chicco KeyFit 35 Infant Car Seat Base, Brand New!! Creased Box
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Evenflo NurtureMax Infant Car Seat BaseEvenflo
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Safety 1st onBoard 35 LT Adjustable Infant Car Seat Base
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Doona Latch Base - Compatible with Doona Car Seat & StrollerDOONA
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Uppababy mesa car seat with two bases and travel bagUsed
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Baby Trend EZ Flex-Loc® Infant Car Seat BaseBaby Trend
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Evenflo LiteMax 35 Infant Car Seat Base - Black NIB NEW Free Shipping
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Evenflo Revolve180 LiteMax NXT Accessory BaseEvenflo
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Baby Trend Secure 35 Infant Car Seat Base, Black
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36% OffMaxi-Cosi Baby Car Seat Base, Fits Several Maxi Cosi Car Seat Models, Baby Carseat Base for Travel, BlackMaxi-Cosi
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Nuna PIPA multi-position Infant Car Seat Base Only model IF-02-001 #NO2238 (AR)
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UPPAbaby Extra Mesa Car Seat Base / Compatible with Mesa, V2 & V3 Infant Car Seats / SmartSecure InstallationUPPAbaby
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UPPAbaby Extra Mesa Car Seat Base / Compatible with Mesa, V2 & V3 Infant Car Seats / SmartSecure InstallationUsedUPPAbaby
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Graco SnugRide Lite LX Infant Car Seat, Lightweight Rear-Facing Seat for Babies 4–30 lb, 4-Position Adjustable Base, LATCH Installation & ProtectPlus Engineered, StudioGraco
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Maxi-Cosi Mico Stand-Alone Infant Car Seat Base, Black, One Size - Car Seat Accessories for BabiesMaxi-Cosi
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20% OffSafety 1st onBoard™ Insta-Latch™ Infant Car Seat Base, BlackSafety 1st
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Safety 1st onBoard™ Insta-Latch™ Infant Car Seat Base, BlackUsedSafety 1st
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13% OffBaby Trend Secure Infant Car Seat BaseBaby Trend
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Baby Trend Secure Infant Car Seat BaseUsedBaby Trend
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Evenflo Shyft Dualride BaseEvenflo
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Graco TurboBooster 2.0 Backless Booster Car Seat, DentonGraco
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Swivel Car Seat Van Base Rotating Car Seat 360 Heavy Duty Seat Swivel Base Steel Plate Fit For Most RV Commercial Vehicle, Engineering VehiclesGEARCESS
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Swivel Car Seat Van Base Rotating Car Seat 360 Heavy Duty Seat Swivel Base Steel Plate Fit For Most RV Commercial Vehicle, Engineering VehiclesUsedGEARCESS
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UPPAbaby Extra Aria Car Seat Base/Compatible with Aria Infant Car Seats/SmartSecure Installation with Load LegUPPAbaby
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UPPAbaby Extra Aria Car Seat Base/Compatible with Aria Infant Car Seats/SmartSecure Installation with Load LegUsedUPPAbaby
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Graco SnugRide SnugLock Infant Car Seat Base with Optional Load Leg. Compatible with All SnugRide Car SeatsGraco
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Baby Trend EZ-Lift Plus Infant Car Seat, Ultra GreyBaby Trend
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30% OffDiono LiteClik30 R and RX SafePlus Base, Stay-in-Car Base for Second Vehicle, Compatible with LiteClik30 R and RX SafePlus Car Seats, Features Steel Anti-Rebound Bar (Black)Diono
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Seat Lifting Base, Car Seats Height Adjuster Stable Structure for RHD VehicleKadimendium
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Swivel Car Seat Base, 360 Degree Rotation with 4 Locking Points, Heavy Duty Seat Swivel Base, 3.0mm Steel Plate, 286.6 lbs Load, Adjustable Seat Bracket for Vans RVs Commercial VehiclesQuaLivgEssZome
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Graco Gomax Infant Car Seat BaseGraco
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Graco Gomax Infant Car Seat BaseUsedGraco
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Key Fit 30 Car seat Base (Charcoal)Chicco
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UPPAbaby Extra Mesa Max Car Seat Base/Compatible with Mesa Max Infant Car Seats/SmartSecure Installation with Load LegUPPAbaby
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UPPAbaby Extra Mesa Max Car Seat Base/Compatible with Mesa Max Infant Car Seats/SmartSecure Installation with Load LegUsedUPPAbaby
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Safety 1st Adjustable OnBoard Infant Car Seat Base for OnBoard 35, OnBoard 35 Air, OnBoard 35 Air+, and OnBoard 35 Air 360 Infant Car Seats, BlackSafety 1st
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Britax Alpine™ Infant Car Seat Base with ClickTight®Britax
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24% OffEvenflo Gold SecureMax Infant Car Seat Base, Includes SafeZone Load Leg, Stabilizes Car Seat and Reduces Crash Forces by 50%, Lightweight and Sturdy, Fits Evenflo Gold SecureMax Infant Car SeatEvenflo
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Evenflo Gold SecureMax Infant Car Seat Base, Includes SafeZone Load Leg, Stabilizes Car Seat and Reduces Crash Forces by 50%, Lightweight and Sturdy, Fits Evenflo Gold SecureMax Infant Car SeatUsedEvenflo
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Chicco KeyFit 35 Infant Car Seat Base, Stay-in-Car Base for Second Vehicle, Compatible with Chicco KeyFit and KeyFit 30 Car Seats | Anthracite/GreyChicco
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Britax Aspen™ Infant Car Seat BaseBritax
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Peg Perego Primo Viaggio 4-35 Nido Car Seat Base with Load Leg & Anti-Rebound Bar - AccessoryPeg Perego
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Clek Liing Infant Car Seat Base with Metal Load Leg, Adjustable Recline Design, Compatible with Latch & Belt-TensioningClek
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Peg Perego Primo Viaggio Infant Car Seat Base - AccessoryPeg Perego
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Baby Jogger RAPIDLOCK Infant Car Seat Base for City GO City GO 2 and AIR BlackBaby Jogger
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12% OffChicco Fit2 Infant & Toddler Car Seat Base, Stay-in-Car Base for Second Vehicle, Compatible with Chicco Fit2 Car Seat | Anthracite/GreyChicco
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Evenflo Litemax NXT BaseEvenflo
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Evenflo LiteMax DLX Infant Car Seat Base with LoadLegEvenflo
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Evenflo LiteMax NXT Accessory Load LegEvenflo
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Baby Trend EZ-Lift Plus Infant Car Seat, Dash BlackBaby Trend
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BOB Gear Wilder Infant Car Seat Base with ClickTightBOB Gear
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29% OffBaby Trend Secure-Lift Infant Car Seat, Dash BlackBaby Trend
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Graco SnugRide SnugFit Infant Car Seat, Baby Car Seat with Anti Rebound Bar for Extra Safety, No-Rethread Harness, LATCH Equipped Carseat, Baby Essentials, Gift for New Parents, GothamGraco
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Baby Trend EZ-Lift™ PRO Infant Car Seat, Dash TanBaby Trend
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Diono LiteClik30 RXT SafePlus Infant Car Seat and Base, Rear-Facing for Infants 4-30lbs, SafePlus Engineering, with Infant Insert, UPF 50+ Sunshade (Purple Wildberry)Diono
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Cybex Cloud G BaseCybex
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Cybex SafeLock Base, BlackCybex
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Diono LiteClik30 XT and RXT SafePlus Base, Stay-in-Car Base for Second Vehicle, Compatible with LiteClik30 XT and RXT SafePlus Car Seats, Features Steel Core and Anti-Rebound Bar (Black)Diono
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Cybex Cloud G Lux Load Leg BaseCybex
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Maxi-COSI Peri 180° Rotating Infant Car Seat Base, BlackMaxi-Cosi
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Graco SnugRide Turn & Slide Rotating Infant Car Seat Base, Compatible with The SungRide Turn & Slide Car SeatGraco
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Chicco KeyFit 30 Easy Level Baby Infant Car Seat Safety System Base (2 Pack)Chicco
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20% OffJoie Mint Latch Baseless Infant Car Seat – Lightweight, Built-in Rigid Latch Connectors and Side Impact Protection – No Base Installation Required (Thunder)Joie
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Diono LiteClik 30 R SafePlus Infant Car Seat and Base, Rear-Facing for Infants 4-30lbs, SafePlus Engineering, with Infant Insert, UPF 50+ Sunshade (Black)Diono
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15% OffMORROLS Car Seat Protector, 2 Pack Carseat Protector with Thick Padding, Baby/Pets for Child Car Seat-Mesh Pockets-Waterproof-Universal Size(Black)MORROLS
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Chicco KeyFit Max ClearTex Infant Car Seat and Base, Rear-Facing Seat for Infants 4-30 lbs., Infant Head and Body Support, Compatible with Chicco Strollers, Baby Travel Gear | Legend/BlackChicco
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15% OffKEMIMOTO 2 Pack UTV Seat Lowering Base Accessories Thick Steel Lower Seat Base Replacement Compatible with RZR 800 900 S 1000 XP Turbo S, RS1, General Adapter More Room (A Pair)KEMIMOTO
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Graco Gomax Infant Car Seat, Baseless Car Seat with Canopy, Rear Facing, Lightweight CarseatGraco
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Joie Rue Lightweight Infant Car Seat & Anti-Rebound Base –Side-Impact Protection, 5-Point Harness, and UPF 50+ Canopy for Newborns and Infants (Blush)Joie
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Baby Trend EZ Lift 35 Plus Ergonomic Lightweight Rear Facing Infant Car Seat with Multi Position Base and Cozy Cover, Stormy Gray/BlackBaby Trend
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Chicco KeyFit 30 Infant Car Seat and Base, Rear-Facing Seat for Infants 4-30 lbs., Infant Head and Body Support, Compatible with Chicco Strollers, Baby Travel Gear | Calla/GreyChicco
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20% OffSEVEN SPARTA Car Seat Tray for Kids Toddler Travel with Soft Rubber Base, Rotatable and Removable Cup Holder Snack Tray for Food Color and Play for Family Road Trip Essentials (1, Standard Base)SEVEN SPARTA
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Chicco KeyFit 30 ClearTex Infant Car Seat and Base, Rear-Facing Seat for Infants 4-30 lbs., Includes Infant Head and Body Support, Compatible with Chicco Strollers, Baby Travel Gear | Slate/GreyChicco
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Evenflo Pivot Modular Travel System with LiteMax Infant Car Seat (Casual Gray)Evenflo
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Aton G2 Infant Car Seat with Load Leg Base - Moon BlackCybex
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26% OffCar Seat Tray for Kids, Adjustable Kids Travel Tray, Car Seat Snack Tray, Car Seat Cup Holder Tray, Car Seat Tray, Car Seat Tray for Kids Travel, Car Seat Tray for ToddlerDCG Center
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Car Seat Tray for Kids, Adjustable Kids Travel Tray, Car Seat Snack Tray, Car Seat Cup Holder Tray, Car Seat Tray, Car Seat Tray for Kids Travel, Car Seat Tray for ToddlerUsedDCG Center
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11% OffDiono LiteClik30 RXT SafePlus Infant Car Seat and Base, Rear-Facing for Infants 4-30lbs, SafePlus Engineering, with Infant Insert, UPF 50+ Sunshade (Gray Glacier Frost)Diono
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UPPAbaby Aria Lightweight Infant Car Seat/Just Under 6 lbs for Easy Portability/Base with Load Leg + Infant Insert Included/Direct Stroller Attachment/Anthony (Grey/Chestnut Leather)UPPAbaby
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Diono LiteClik30 XT SafePlus Infant Car Seat and Base, Rear-Facing for Infants 4-30lbs, SafePlus Engineering, with Infant Insert, UPF 50+ Sunshade (Black Storm)Diono
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12% OffDiono LiteClik30 XT SafePlus Infant Car Seat and Base, Rear-Facing for Infants 4-30lbs, SafePlus Engineering, with Infant Insert, UPF 50+ Sunshade (Blue Razz Ice)Diono
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Baby Trend Ally Newborn Baby Infant Car Seat Carrier Travel System with Harness and Extra Cozy Cover for Babies Up to 35 Pounds, Modern KhakiBaby Trend
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25% OffMaxi-Cosi Mico Luxe Infant Car Seat with Base, Rear Facing Car Seat For Babies, Baby Carseat 4-30 lbs, Baby Car Seats, Infant Car Seats, Midnight GlowMaxi-Cosi
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2 Pack Upgraded Car Seat Tray for Kids Car Seat Tray with Expandable Base for Snacks, Toys, Books, Entertainment Kids Travel Essentials Fits 2.8''-3.2'' Cup Holders (2, Standard Base)MS MASTER SHOW
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Graco Gomax Infant Car Seat, Ace, Lightweight, Reclining Rear Facing Car Seat Installs with or Without a BaseGraco
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36% OffSafety 1ˢᵗ® onBoard™ Insta-Latch™ DLX Infant Car Seat with Base, Baby Car Seat for 4-30 lbs., Rear Facing Car Seat, NewburyportSafety 1st
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Cybex Cloud G Lux Comfort Extend Infant Car Seat with Anti-Rebound Base, Load Leg, Linear Side Impact Protection, Latch Install, Ergonomic Full Recline, Extended Leg Rest, Hibiscus RedCybex
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UPPAbaby Mesa Max Infant Car Seat/Base with Load Leg and Robust Infant Insert Included/Innovative Safety Features + Simple Installation/Direct Stroller Attachment/Greyson (Charcoal Mélange)UPPAbaby
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62% OffKaiphy Car Seat Protector - Seat Protection Mat - Thick Padding - Durable, Waterproof Fabric, Leather Reinforced Corners & 3 Pockets for Handy Storage BlackKaiphy
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Bugaboo Turtle Air Shield by Nuna car seat + Recline BaseBugaboo
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Graco TurboBooster 2.0 Highback Booster Car Seat, DeclanGraco
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25% OffCybex Aton G Swivel Infant Car Seat with 180-Degree Rotate, Linear Side-Impact Protection, 11-Position Headrest, SensorSafe & Safelock Base, Seashell BeigeCybex
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Safety 1st® onBoard™ Slide DLX Infant Car Seat w/SafetySlide™ Base, Easy-Install Rigid Latch, Lightweight Rear-Facing Seat, Newborn Carrier, Extra-Large Canopy, Travel System Ready, Dusty MarbleSafety 1st
115 Car Seat Bases deals are available from:
Amazon, eBay stores, starting from $9.99.
The biggest discount we found is 62% on Kaiphy Car Seat Protector - Seat Protection Mat - Thick Padding - Durable, Waterproof Fabric, Leather Reinforced Corners & 3 Pockets for Handy Storage Black at Amazon.
The lowest price we found is $9.99 while the highest is $649.00.
Prices for the best Car Seat Bases deals average at $142.81.
Last updated on April 4, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Car Seat Bases.