Notice To All Customers: Click HERE for an Important Update.

DSO™ is not sponsored by nor does it represent any of the manufacturers included or referred to on our website. Any name, model, part number, brand, image, material or referral is for descriptive purposes only.

DSO™ parts are guaranteed to fit OEM equipment and meet or exceed OEM specification. DSO™ parts are covered by the standard DSO™ limited product warranty. 
  • Alfa Laval® is a Registered Trademark of Alfa Laval, Inc.
  • Anderson® is a Registered Trademark of Anderson Packaging Inc.
  • Ampco® is a Registered Trademark of Ampco Pumps Company.
  • APV ® is a Registered Trademark of the SPX Corporation.
  • Contherm® is a Registered Trademark of Alfa Laval, Inc.
  • Evergreen Fillers®is a Registered Trademark of Evergreen Packaging
  • Fristam® is a Registered Trademark of Fristam Pumps USA, L.P.
  • Gaulin/AVP® is a Registered Trademark of the SPX Corporation
  • Sine® is a Registered Trademark of Spirax Sarco Engineering Group
  • Sudmo® is a Registered Trademark of Sudmo Holding GMBH, Inc.
  • Tri-Clover® is a Registered Trademark of Alfa Laval, Inc.
  • Tuchenhagen® is a Registered Trademark of Tuchenhagen GMBH, Ltd.
  • Waukesha Pumps® is a Registered Trademark of the SPX Corporation.
  • Waukesha Cherry-Burrell® is a Registered Trademark of the SPX Corporation
  • Wright Pumps® is a Registered Trademark of Wright Pump and the IDEX Corporation.
  • Teflon® is a Registered Trademark of E. I. du Pont de Nemours and Company
  • Viton® is a Registered Trademark of E. I. du Pont de Nemours and Company