Car seat bases

An extra car seat base for your second car.

An extra car seat base for your second car.

29 items

Graco SnugRide SnugFit Infant Car Seat Base.

Graco SnugRide SnugFit Infant Car Seat Base.

Graco
SnugRide SnugFit Infant Car Seat Base

Average rating: 5 out of 5

Graco SnugRide SnugFit 35 Infant Car Seat & Extra Base Bundle.

Graco SnugRide SnugFit 35 Infant Car Seat & Extra Base Bundle.

Graco
SnugRide SnugFit 35 Infant Car Seat & Extra Base Bundle

Average rating: 4.2 out of 5

Graco SnugRide Lite Infant Car Seat Base.

Graco SnugRide Lite Infant Car Seat Base.

Graco
SnugRide Lite Infant Car Seat Base

Average rating: 4.5 out of 5

Nuna Pipa RELX Infant Car Seat Base.

Nuna Pipa RELX Infant Car Seat Base.

Nuna
Pipa RELX Infant Car Seat Base

Average rating: 5 out of 5

Doona Infant Car Seat Base for Infant Car Seat & Stroller.

Doona Infant Car Seat Base for Infant Car Seat & Stroller.

Doona
Infant Car Seat Base for Infant Car Seat & Stroller

Average rating: 4.7 out of 5

Chicco KeyFit Max Infant Car Seat Base.

Chicco KeyFit Max Infant Car Seat Base.

Chicco
KeyFit Max Infant Car Seat Base

Average rating: 4.7 out of 5

Joie Base Ar.

Joie Base Ar.

Joie
Base Ar

Average rating: 4.9 out of 5

UPPAbaby Extra Base for MESA Infant Car Seat.

UPPAbaby Extra Base for MESA Infant Car Seat.

UPPAbaby
Extra Base for MESA Infant Car Seat

Average rating: 5 out of 5

UPPAbaby Aria Base.

UPPAbaby Aria Base.

UPPAbaby
Aria Base

Average rating: 5 out of 5

Nuna PIPA Infant Car Seat Base.

Nuna PIPA Infant Car Seat Base.

Nuna
PIPA Infant Car Seat Base

Average rating: 4.2 out of 5

Chicco KeyFit/KeyFit 30 Infant Car Seat Base.

Chicco KeyFit/KeyFit 30 Infant Car Seat Base.

Chicco
KeyFit/KeyFit 30 Infant Car Seat Base

Average rating: 4.9 out of 5

Graco SnugRide SnugLock Infant Car Seat Base.

Graco SnugRide SnugLock Infant Car Seat Base.

Graco
SnugRide SnugLock Infant Car Seat Base

Average rating: 4.8 out of 5

Evenflo Shyft Dualride Base.

Evenflo
Shyft Dualride Base

Average rating: 2.6 out of 5

Baby Trend EZ-Lift 35 PLUS Infant Car Seat Base.

Baby Trend EZ-Lift 35 PLUS Infant Car Seat Base.

Baby Trend
EZ-Lift 35 PLUS Infant Car Seat Base

Average rating: 3.3 out of 5

Chicco Fit360 Rotating Convertible Car Seat Base.

Chicco Fit360 Rotating Convertible Car Seat Base.

Chicco
Fit360 Rotating Convertible Car Seat Base

Average rating: 5 out of 5

Evenflo Litemax NXT Base.

Evenflo
Litemax NXT Base

Average rating: 4.5 out of 5

Maxi-Cosi Infant Car Seat Base for Maxi-Cosi Car Seats.

Maxi-Cosi Infant Car Seat Base for Maxi-Cosi Car Seats.

Maxi-Cosi
Infant Car Seat Base for Maxi-Cosi Car Seats

Average rating: 3 out of 5

Britax Alpine Infant Car Seat Base with ClickTight.

Britax Alpine Infant Car Seat Base with ClickTight.

Britax
Alpine Infant Car Seat Base with ClickTight

Maxi-Cosi Peri 180 Car Seat Base.

Maxi-Cosi Peri 180 Car Seat Base.

Maxi-Cosi
Peri 180 Car Seat Base

Bugaboo Turtle Air by Nuna Car Seat Base.

Bugaboo Turtle Air by Nuna Car Seat Base.

Bugaboo
Turtle Air by Nuna Car Seat Base

Average rating: 5 out of 5

Cybex Aton G2 Infant Car Seat Load Leg Base.

Cybex Aton G2 Infant Car Seat Load Leg Base.

Cybex
Aton G2 Infant Car Seat Load Leg Base

Cybex Aton G2 Swivel Load Leg Base.

Cybex Aton G2 Swivel Load Leg Base.

Cybex
Aton G2 Swivel Load Leg Base

Britax Aspen Infant Car Seat Base.

Britax Aspen Infant Car Seat Base.

Britax
Aspen Infant Car Seat Base

Safety 1st onBoard Insta-Latch Infant Car Seat Base.

Safety 1st onBoard Insta-Latch Infant Car Seat Base.

Safety 1st
onBoard Insta-Latch Infant Car Seat Base

Baby Jogger RAPIDLOCK Infant Car Seat Base for City GO, City GO 2, and City GO AIR.

Baby Jogger RAPIDLOCK Infant Car Seat Base for City GO, City GO 2, and City GO AIR.

Baby Jogger
RAPIDLOCK Infant Car Seat Base for City GO, City GO 2, and City GO AIR

Average rating: 5 out of 5

Graco SnugRide SnugLock Infant Car Seat Base ft. Load Leg Technology.

Graco SnugRide SnugLock Infant Car Seat Base ft. Load Leg Technology.

Graco
SnugRide SnugLock Infant Car Seat Base ft. Load Leg Technology

Britax BOB Gear Wilder Infant Car Seat Base with ClickTight.

Britax BOB Gear Wilder Infant Car Seat Base with ClickTight.

Britax
BOB Gear Wilder Infant Car Seat Base with ClickTight

Peg Perego Peg Perego Primo Viaggio Base.

Peg Perego Peg Perego Primo Viaggio Base.

Peg Perego
Peg Perego Primo Viaggio Base

Cybex Cloud G Base.

Cybex Cloud G Base.

Cybex
Cloud G Base

Average rating: 3 out of 5

The Best Car Seats for Every Stage—and What New Parents Need to Know.

The Best Car Seats for Every Stage—and What New Parents Need to Know

Car seats, explained: learn the different types of seats, what you’ll need when and browse our top picks.

Read More

Shop by Guide

The Best Car Seats for Every Stage—and What New Parents Need to Know.

The Best Car Seats for Every Stage—and What New Parents Need to Know

The Best Rotating Car Seats of 2026.

The Best Rotating Car Seats of 2026

Can One Car Seat Do It All? What You Need to Know About All-in-One Seats.

Can One Car Seat Do It All? What You Need to Know About All-in-One Seats

How to Choose a Car Seat.

How to Choose a Car Seat

You Need a Booster for Years—These Are the Best That Grow with Your Child.

You Need a Booster for Years—These Are the Best That Grow with Your Child

The Best Car Seats for Travel.

The Best Car Seats for Travel

Ask the Baby Gear Expert: Car Seats.

Ask the Baby Gear Expert: Car Seats

Yes, Car Seats Do Expire.

Yes, Car Seats Do Expire

How to Clean a Car Seat.

How to Clean a Car Seat

The Best Infant Car Seats Under $200.

The Best Infant Car Seats Under $200

The Answers to Your Car Seat Safety Questions.

The Answers to Your Car Seat Safety Questions

Your Most Common Car Seat Questions, Answered.

Your Most Common Car Seat Questions, Answered