Modified Auto Part Defects

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If you’ve been injured in an accident caused by defective modified aftermarket auto parts, filing a lawsuit could be a critical step toward justice and recovery. The rise in aftermarket modifications such as custom exhausts, suspension kits, or performance chips has led to an increase in safety concerns, with the National Highway Traffic Safety Administration (NHTSA) reporting over 1,000 complaints annually related to aftermarket failures.
The increase in accidents caused by defective aftermarket auto parts has fueled a surge in lawsuits across the United States. Defective aftermarket parts can lead to catastrophic accidents, causing injuries, property damage, and even fatalities. Lawsuits offer a pathway to recover compensation for medical bills, lost wages, and pain and suffering.
Consumer safety advocates are warning that modified vehicles are threatening motorists and overall road safety. American roadways are filled with modified vehicles and aftermarket auto products that have not been properly tested for road and collision worthiness.
Modified vehicles are constructed with aftermarket auto products, or modified from their show room status. Aftermarket vehicles may just take the original frame and create a car that hardly resembles the original automaker design.
It’s not only sporty cars, however, with modified exhaust and spoilers. Trucks, RVs and limousines are frequently modified to taste. Road safety issues may result from irresponsible modified vehicle construction. Some questions after an accident may include the following:
Defective modified vehicles and aftermarket auto components cause a great number of auto accidents and subsequent injuries each year in the United States. The National Highway Traffic Safety Administration (NHTSA) works to issue auto notices after accidents and auto defects are reported, however, modified vehicles are on the road at all times, endangering motorists and passengers.
Consumer Safety Attorneys can assist in trying to hold individuals and body shops responsible for the damage and harm of an auto accident, and recover rightful compensation following a preventable injury.
Joe Lyon is a highly-rated Auto Defect Lawyer and Product Liability Attorney reviewing aftermarket auto accident cases and related defective car parts for plaintiffs nationwide.
The Lyon Firm works with automotive engineers and Accident Investigators to determine the root cause of accidents and specific auto defects. Lawsuits can recover rightful compensation for plaintiffs.
Auto recalls are issued regularly after road accidents and injuries have already taken their toll on consumers and motorists. Thousands of recalls are announced each year, though can involve defective cars that have been on the road for many years already.

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Our product liability attorneys work on a contingency basis, making legal help risk-free. Free consultations allow you to assess your case without upfront costs. Filing a lawsuit after an accident involving defective modified aftermarket auto parts offers financial relief, accountability, and safety improvements. With the NHTSA tracking rising complaints, now is the time to act.
We have extensive experience in auto defect cases, such as those handling NHTSA-reported incidents, to ensure robust representation. Act now as statutes of limitations typically span only a couple years from the accident date. Gather evidence like repair records, part receipts, and accident reports.
Yes, you can pursue legal action against aftermarket parts manufacturers when their defective products cause injuries or accidents. These companies bear the same product liability responsibilities as original equipment manufacturers. Your claim would target the aftermarket parts producer, the retailer who sold the component, and potentially the mechanic or shop that installed it. Common defective aftermarket parts include brake pads, suspension components, steering systems, and airbags. The key is proving the part was defectively designed, manufactured with substandard materials, or lacked proper safety warnings.
Modifications do not automatically eliminate your right to pursue compensation, but they can complicate liability claims. Courts examine whether your alterations contributed to the accident or injuries sustained. If you installed a lift kit and the vehicle rolled over, defendants may argue the modification caused instability. However, if you added custom wheels and a defective airbag failed to deploy, the modification likely had no causal connection to your injuries.
Multiple parties may share liability in these situations. The parts manufacturer bears primary responsibility for producing a defective product. The auto shop or mechanic may be liable if they negligently selected an inappropriate part, installed it incorrectly, or failed to inspect it properly before installation. Retailers and distributors in the supply chain can also face claims for selling dangerous products. Some cases involve shared liability where, for example, a part had inherent design flaws and the mechanic compounded the problem through improper installation.
Performance aftermarket parts must still meet basic safety requirements, though they may not undergo the same rigorous testing as original equipment. Manufacturers cannot escape liability by labeling products as “for racing use only” or “off-road use” when they know consumers will use them on public roads. If a high-performance brake kit fails catastrophically or a turbocharger modification causes engine fires, the manufacturer can be held accountable.
Aftermarket parts can shift or share liability depending on the accident circumstances. If a defective aftermarket component directly caused your accident, the original vehicle manufacturer typically is not responsible for that specific failure. However, if the original vehicle had a design flaw that made it incompatible with commonly used aftermarket parts, or if the vehicle’s defect would have caused the accident regardless of modifications, you may still have claims against the automaker.
Taking the first step doesn’t have to be complicated. In just a few minutes, you can share the basics of your case, and our team will guide you from there: