Founded in 2014 in Detroit - the heart of American automotive heritage - T1A https://www.t1aauto.com/ has become a trusted name in the aftermarket auto parts industry. What began as a focused effort to improve a few common failure points has evolved into a comprehensive line of OEM replacement parts known for their durability and precision.

From Door Handles to a Full Product Line

T1A’s first breakthrough came with heavy-duty metal door handle upgrades, specifically designed to outperform and outlast their factory counterparts. This early success laid the groundwork for an ever-growing catalog, which now includes hundreds of high-quality SKUs, all engineered to enhance vehicle performance and longevity.

Trusted by DIYers and Automotive Experts

At T1A, the journey started just like it does for many auto enthusiasts - in garages and driveways, fueled by a passion for fixing and upgrading vehicles. Today, the company caters to both DIYers and professionals, offering premium-grade parts at affordable prices. By delivering directly to customers, T1A makes top-tier auto parts accessible without the markup.

A Commitment to Quality You Can Trust

Every T1A product is subjected to rigorous quality control and performance testing to ensure it meets - or exceeds - OEM standards. From material sourcing to detailed evaluations, each component is crafted to support optimal performance and stand the test of time.

To back that promise, T1A offers a no-questions-asked 2-year warranty on every part, reinforcing its commitment to customer satisfaction and long-term reliability.

Driven by Passion. Focused on You.

T1A is more than just a parts manufacturer - it’s a company built on a deep passion for automotive excellence. With a strong focus on customer service, innovation, and transparency, T1A continues to raise the bar for what drivers can expect from aftermarket parts.

Whether you're replacing a worn-out component or enhancing your vehicle’s performance, T1A delivers solutions you can depend on - mile after mile.