About Us

Since 2013, ASSOSARY has been the trusted partner of professional mechanics, performance tuners, and discerning DIYers who demand uncompromising quality in fuel injection systems. Born in California's automotive heartland and manufactured in our state-of-the-art Fo shan facility, we've shipped over 2 million precision auto and motor parts to satisfy toughest engine builders. 

Why ASSOSARY Stands Out
10+ Years of Industry Leadership
Founded in California (2013): We started as a small supplier for local repair shops and grew into a top-tier distributor for performance parts.
Tested in Real Conditions: Our parts are proven in U.S. motorsports, off-road racing, and daily commutes—now optimized for European roads.
OEM+ Quality: We don't just match OEM specs—we exceed them with upgraded materials.

Fast, Compliant European Delivery
DDP Shipping: Duties & taxes prepaid—no hidden fees at customs.
Tracked Logistics: Partners include DHL, UPS, FeDex, An Posst, DPD and GLS for reliable last-mile delivery.

Customer-Centric Support
Expert Advice: Need help choosing between a forged vs. cast piston? Our team includes former mechanics.
Multilingual Service: English, German, French and Spanish support.
Responsive Guarantee:
Email: Support@assosary.com
Phone: +1 351-501-5100 (U.S.)

Opening Time
Monday - Friday: 9:00 AM - 11:00 PM
Sat - Sun: Closed (GMT+8)