Wonderfold W4 Car Seat Adapter
Lets a compatible infant car seat attach to the named stroller.
- $99.99List price
How the W4 Car Seat Adapter stacks up
Against the 69 car seat adapters we track. The shaded band is where the middle half of them fall; the dot is this one.
Above the typical range for car seat adapters ($59.95 to $79.95).
What the W4 Car Seat Adapter fits
Wonderfold's fit list names 3 strollers on Cribpicks:
It names 5 infant car seats on Cribpicks:
Listed fit: W4 (all trims), W Series Pro and L Series: up to 2 adapters. W2 Elite and W2 Luxe: 1 adapter (2 for UPPAbaby only). W2 Original and W2 Original (Target Exclusive): 1 adapter. Matched by brand and model name. Fit can depend on the model year.
Listed features
- Made by the stroller maker
Worth checking
- Brand-specific variants
- Price shown is for the W4 size
Where to buy the W4 Car Seat Adapter
Prices and availability change. We may earn a commission from some links.
- Check for recalls: Search the agency's recall list with the model number and date code from the label: CPSC recall search.
- Fit: check the maker's fit list for your exact stroller and seat. Check the label and the maker's instructions, and ask your pediatrician about your child.
Full specs
| Wonderfold W4 Car Seat Adapter | |
|---|---|
| Type | Car seat adapter |
| List price | $99.99 |
| Fits these strollers | W4 (all trims), W Series Pro and L Series: up to 2 adapters. W2 Elite and W2 Luxe: 1 adapter (2 for UPPAbaby only). W2 Original and W2 Original (Target Exclusive): 1 adapter. |
| Works with these car seats | Depends on variant. Britax: B-Safe 35, 35 Elite, Ultra, Endeavour, B-Safe Gen2 (incl. FlexFit/FlexFit+), Chaperone (not Willow or Cypress). Chicco: KeyFit series, Fit2, Fit2 LE, KeyFit 35, KeyFit 30 ClearTex. Clek: Liing, Liingo. Cybex: Aton Q and M, Platinum Cloud T, Gold Cloud G Pro, Gold Aton G2 (not Cloud Q). Graco: see Graco variant. Maxi-Cosi: Mico Max 30, Mico 30, Mico A, Micro Max 30, Micr |
| Maker's use notes | For a single car seat the adapter goes on the front half of the wagon. W2 models take one adapter (both bench seats must be removed for two). |
More car seat adapters
- WonderfoldCar Seat Adapter for UPPAbaby$99$99.99
- WonderfoldW2 Car Seat Adapter for Graco$99$99.99
- WonderfoldW4 Car Seat Adapter for Graco$99$99.99
- BOB GearSingle Jogging Stroller Adapter for Chicco Infant Car Seats$99$99.99
- BOB GearSingle Jogging Stroller Adapter for Graco Infant Car Seats$99$99.99
- BOB GearSingle Adapter for UPPAbaby (S12046600)$99$99.99
- BugabooDonkey 6 Twin Car Seat Adapters$99$99.95
- BOB GearDuallie Adapter for Britax (S02984600)$94$94.99
W4 Car Seat Adapter: questions answered
From Wonderfold's published specs, last checked 2026-11-09.
Which strollers does the Wonderfold W4 Car Seat Adapter fit?
Per the maker: W4 (all trims), W Series Pro and L Series: up to 2 adapters. W2 Elite and W2 Luxe: 1 adapter (2 for UPPAbaby only). W2 Original and W2 Original (Target Exclusive): 1 adapter. Fit depends on the exact stroller model and year. Check your stroller's model number against the maker's list before you buy.
Which car seats work with the Wonderfold W4 Car Seat Adapter?
Per the maker: Depends on variant. Britax: B-Safe 35, 35 Elite, Ultra, Endeavour, B-Safe Gen2 (incl. FlexFit/FlexFit+), Chaperone (not Willow or Cypress). Chicco: KeyFit series, Fit2, Fit2 LE, KeyFit 35, KeyFit 30 ClearTex. Clek: Liing, Liingo. Cybex: Aton Q and M, Platinum Cloud T, Gold Cloud G Pro, Gold Aton G2 (not Cloud Q). Graco: see Graco variant. Maxi-Cosi: Mico Max 30, Mico 30, Mico A, Micro Max 30, Micr. Fit: check the maker's fit list for your exact stroller and seat. Check the label and the maker's instructions, and ask your pediatrician about your child.
Any use restrictions on the Wonderfold W4 Car Seat Adapter?
The maker says: For a single car seat the adapter goes on the front half of the wagon. W2 models take one adapter (both bench seats must be removed for two).
Still wondering? Write to us at hello@cribpicks.com and we'll look it up.
Where these specs come from
Last checked 2026-11-09. Spot something wrong? Tell us. Read our editorial and safety policy and corrections.