U.S. regulators move against dangerous aftermarket air bag parts

U.S. regulators are considering a ban on air bag inflators made by Chinese supplier Jilin Province Detiannuo Safety Technology, also known as DTN, after linking the parts to at least 10 deaths and other serious injuries. According to the supplied source text, the National Highway Traffic Safety Administration said the inflators can explode during deployment and send metal fragments into drivers’ bodies.

The agency described the resulting injuries in severe terms, saying the parts sent large metal shards into drivers’ chests, necks, eyes and faces instead of safely inflating the air bag.

What investigators say they found

NHTSA opened its investigation into DTN in October 2025 after learning that auto repair shops in the United States were using the company’s inflators. The source text says the agency has investigated 12 incidents involving fatalities and serious injuries, with at least 10 of those cases tied to aftermarket installations after a previous crash had already triggered the vehicle’s original air bags.

The inflators under scrutiny were manufactured in 2021 and 2022. NHTSA says the parts in its investigation were installed in Hyundai Sonata and Chevrolet Malibu vehicles, while noting that other makes and models may also be affected.

Why the case matters

The issue is serious for two reasons. First, the parts appear to fail in a way that turns a life-saving system into a source of lethal shrapnel. Second, the source text says regulators believe the components may have been imported illegally, despite DTN saying it does not do business in the United States.

That combination raises questions not only about product safety, but also about the aftermarket supply chain that brings replacement parts into repair shops and vehicles. A defect in original-equipment parts is one problem. A potentially illegal flow of dangerous aftermarket components is another, and it can be harder for consumers to detect.

The federal response so far

NHTSA released its initial findings on April 2 and opened the matter for public comment through April 17. The agency is weighing a permanent ban on sales of the inflators. The Department of Transportation also encouraged anyone who encounters the parts to contact Homeland Security Investigations or the FBI.

That response indicates the matter has expanded beyond routine safety review into possible enforcement and import-control concerns. The supplied source text does not say whether DTN will respond beyond maintaining that it does not operate in the U.S. market.

What consumers should understand

The current record in the supplied source text points especially to aftermarket repair channels. In most of the investigated cases, the dangerous inflators were installed after the vehicle had already been in a crash. That detail matters because it suggests risk may arise not only from the original manufacturer of a car, but from what happens later in the repair ecosystem.

The larger implication is uncomfortable but clear. Safety-critical systems can be undermined by replacement parts that do not meet proper standards, and drivers may have little visibility into that fact.

A familiar kind of danger in a new form

The air bag industry has faced catastrophic inflator failures before, so regulators are acutely sensitive to any sign that explosive deployment components are fragmenting in real-world crashes. The DTN investigation now adds a new and highly consequential case centered on the aftermarket.

For now, the main facts are stark. U.S. regulators say DTN inflators are linked to at least 10 deaths, may have entered the country illegally, and could face a permanent ban if the agency’s review supports that outcome.

This article is based on reporting by Gizmodo. Read the original article.

Originally published on gizmodo.com