Macajor Auto
In the United States, the automotive aftermarket for Auto Fender Flares is not merely about aesthetics—it is a critical intersection of federal safety compliance and the massive American truck culture. With the Ford F-Series, RAM, and Chevrolet Silverado dominating sales charts, the demand for wide-body wheel arches has surged.
Fender Flare Laws in the US: Many states, such as California, Pennsylvania, and Utah, have strict "Tire Coverage" laws. If a vehicle owner installs oversized off-road tires that protrude beyond the bodywork, they are legally required to install fender flares. As a leading manufacturer, we engineer our products to provide the necessary 2 to 4 inches of extra coverage to keep vehicles compliant with State Vehicle Codes while protecting the paint from road debris and mud.
Our US-spec flares utilize UV-stabilized ABS plastic. Unlike cheaper recycled plastics, our material resists "chalking" or fading under the intense Arizona sun or cracking in Alaskan winters.
Utilizing 3D laser scanning technology, our molds ensure a "No-Drill" installation for 90% of US truck models, preserving the vehicle's resale value and structural integrity.
Modern fender flares are designed not just for protection, but to reduce wind turbulence around large wheel wells, slightly improving MPG on long interstate hauls.
As a factory-direct manufacturer, Hangzhou Macajor Auto Co., Ltd. operates with a well-established production system and a reliable supply chain. Founded in 2008, we have evolved into a global powerhouse for 4x4 accessories. With over 18 years of manufacturing experience, we serve as a backbone for major US distributors.
Our facilities are equipped with heavy-duty injection molding machines and CNC machining centers, allowing us to move from concept design to mass production within 45 days. We don't just sell parts; we provide End-to-End OEM & ODM Solutions that allow American brands to remain competitive without sacrificing quality.





The global automotive supply chain is shifting towards "Smart Manufacturing." As a Chinese factory, Macajor Auto offers three distinct advantages for US and Global enterprises:
Additional Support Models:
Join hundreds of global distributors who rely on Macajor Auto for superior fender flare manufacturing.
Contact Our Growth Director Today