Is the Chicco Activ3 compatible with the Chicco KeyFit 35?

Yes, with an adapter. Activ3 jogger accepts Chicco infant seats via an included Chicco car seat adapter.

DetailValue
StrollerChicco Activ3
Car seatChicco KeyFit 35
VerdictYes, with an adapter
Adapter requiredChicco Activ3 car seat adapter (included)
Check price: Chicco Activ3 Get the adapter: Chicco Activ3 car seat adapter (included) Check price: Chicco KeyFit 35

FAQ

What adapter do I need to fit the Chicco KeyFit 35 on the Chicco Activ3?

You need the Chicco Activ3 car seat adapter (included). Once fitted, the Chicco KeyFit 35 clicks onto the Chicco Activ3 frame.

Is the Chicco KeyFit 35 compatible with the Chicco Activ3?

Yes, with an adapter.

Other seats for this stroller

Other strollers for this seat

Source: Chicco KeyFit Series compatibility (Baby Cubby); Chicco Activ3 travel system (chiccousa.com). Verified 2026-08-21.