Stanadyne

Stanadyne LLC
FormerlyHartford Machine Screw Company and Standard Screw Company
Company typePrivate company LLC
IndustryAutomotive industry
Founded1876 (1876)
Headquarters,
Area served
Worldwide
ProductsFuel pumps and fuel injectors
OwnerCerberus Capital Management
Websitewww.stanadyne.com

Stanadyne (originally known as Stanadyne Automotive Corporation) is an American developer and manufacturer of fuel pumps and fuel injectors for diesel and gasoline engines. The company specializes in fuel injection equipment producing components for gasoline direct injection engines, Common rail systems, electronic and mechanical governed rotary distributor pumps for diesel engines and diesel fuel injectors.

The company is based in Windsor, Connecticut, with global locations in Changshu, China (Stanadyne Changshu Corporation), Chennai, India (Stanadyne India Private Limited), Brescia, Italy (Stanadyne S.p.A.) and Sharjah, UAE (Stanadyne Mideast FZE). The company also operates a manufacturing facility in Jacksonville, NC. As of 2023, Stanadyne is owned by a group of investors led by private equity firm Cerberus Capital Management.