Most counterfeits waste your money. A counterfeit car seat gambles with the one passenger who cannot choose, in the one crash nobody schedules. Fake and non compliant child seats have been found on marketplace and discount channels repeatedly, dressed in the colours and logos of brands parents trust, built without the testing, materials, or energy management that make the real thing boring in a collision.
This is not a category for bargain instincts. It is a category for provenance, and the checks below are the ones safety organisations and manufacturers themselves publish, in plain form.
A branded infant or convertible seat retails for a serious sum because the engineering is serious: impact tested shells, energy absorbing foam of specified density, harness webbing and buckles rated to loads, labels and manuals that satisfy a federal standard. A fake keeps the silhouette and sheds the specification. Thinner shell plastic, foam that is packaging material in a costume, harness hardware that was never pull tested as an assembly. From the outside, in a product photo, the two objects are brothers. In a thirty mile an hour impact they are strangers.
The channels fit the crime. Seats appear through third party marketplace sellers, discount sites with no physical footprint, and social commerce listings, priced at half the genuine figure or less. Some are outright branded fakes; others are unbranded seats with invented labels, no certification, and instructions in translation so rough they would be funny anywhere else.
Before buying: is the seller on the manufacturer's authorised retailer list, and does the price sit anywhere near the genuine range across those retailers? A price that undercuts every authorised channel by half is not a deal, it is the finding. Check the model exists on the brand's own site under the same name and colours, because fakes regularly invent trim names that were never sold in this market.
On delivery: a genuine seat carries a model number, a manufacture date, and an expiry date on moulded or printed labels, plus a registration card or its online equivalent, which matters because recalls travel through registrations. Register it and see if the brand's system accepts the details without complaint. Read the manual: genuine manuals are model specific, correctly printed, and match the seat in your hands bolt for bolt. Missing labels, a generic manual, or a registration the manufacturer cannot verify are each enough. Stop, return it, report the listing.
Do not use it while you think it over, and do not pass it on, sell it, or donate it if your check fails; a suspect seat handed along just moves the risk to a family with fewer options. Retailers and marketplaces will refund counterfeit safety goods when the evidence is put to them plainly, and reporting the seller with photos of the labels, or their absence, is how the next listing gets caught before a sale instead of after a crash.
For brands and platforms, the lesson from every seizure story is the same: safety categories need a higher bar than ordinary goods. Verified seller programmes, registration data shared at the point of listing, and takedown priority for child safety products are not red tape. They are the proportionate response to a fake whose failure mode is a hospital.
Common enough that safety bodies and manufacturers issue recurring warnings, with fakes and non compliant seats repeatedly found on marketplace and discount channels. Any specific rate is hard to state honestly; the point is the category is actively exploited.
Find the model number and manufacture date labels and register the seat with the manufacturer. If labels are missing, the model does not match the brand's catalogue, or registration fails, contact the brand's customer care with photos before using the seat.
Second hand seats carry their own risks: unknown crash history, missing parts, expiry. A seat past its expiry date or with an unknown history should not be used. Provenance matters more than newness in both cases.
Because everything that makes a real seat expensive is invisible: tested materials, rated hardware, quality control, and certification. The fake keeps the shape and removes exactly the parts a photograph cannot show you.