Welcome to American Mfg Company

Your #1 Manufacturer of Top Quality Pumps
and O.E.M. Interchangeable Pump Parts

American Mfg Company is a quality manufacturer of replacement parts for the wide variety of mud pumps, centrifugal pumps, rig parts, and swivel parts found on the World market today. American Mfg Company's plant is located in beautiful St. Joseph, Minnesota in America's heartland. A highly trained staff uses state-of-the-art equipment and proven quality control methods to produce the finest pump replacement parts found in the market today.



Quality Mud Pumps & Parts

Over $2,000,000 of interchangeable mud pumps parts, centrifugal pump parts, rig parts and swivel parts in stock for all major manufacturers.

American Mfg Company Pumps And Parts


Pump Parts

American Mfg Company is in no way affiliated with the following companies. References to companies names are for identification purposes only and are not Trade Marks or Trade Names used by or affiliated with American Mfg Company.

Over $5,000,000 of interchangeable mud pumps parts, centrifugal pump parts, rig parts and swivel parts in stock for all major manufacturers such as Gardner Denver, Failing, Wheatley, National, Emsco, Ideco and Opi.


Swivel Parts

Interchangeable swivel parts for the following manufacturers:


Rig Parts

Interchangeable rig parts for the following manufacturers:


Most orders ship the same day!

American Mfg Company manufacturers top quality O.E.M interchangeable mud pump parts for fluid end and power end, (as well as centrifugal pumps) for ALL major pumps!

Employment Application

Use the button below to download and submit our employment application.

Current News

American Mfg Company has been awarded ISO 9001:2015 Certification

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Perry Johnson Registrars, Inc., has assessed the quality management systems of American Mfg Company Inc. and declared that the organization is in conformance with ISO 9001:2015 to manufacture OEM Mud Pumps and Replacement Parts for Mud Pumps, Centrifugal Pumps, Rig Parts and Swivel Parts for the Oil, Gas and Water Drilling Industry.

Please click here to view our quality policy certificate.

Learn more about ISO 9001:2015 certification

American Manufacturing is committed to make a difference.

quality policy

American Manufacturing is committed to make a difference with our lives. We will devote ourselves individually and corporately to excellence.

Please click here to view our quality policy certificate.

American Mfg Company is proud to announce that on October 24, 2016 we were re-certified with an API-7K certification.

we were granted API-7K certification

This certification was awarded after an audit of American Mfg Company's quality control and manufacturing procedures by the American Petroleum Institute. While we've always manufactured our parts in accordance with ISO and API 7K guidelines, this certification places us in and elite group of U.S. manufacturers, and is another step as we strive to become THE premier manufacturer of American-made mud pumps and components in the marketplace today.

Please click here to view our certificate.

Learn more about API-7K certification...

American Mfg Company Announces the American AW1122

American Mfg Company announced the newest addition to its product line; the American AW1122BCD...

Read more about the American AW1122BCD


This document contains American Mfg Company proprietary and confidential information. It is loaned for limited purposes only and remains the property of American Mfg Company. It may not be reproduced in whole or part or disclosed to third parties without the prior written consent of American Mfg Company. The document is to be returned to American Mfg Company upon request and in all events upon completion of the use for which it was used.

American Mfg Company is in no way affiliated with the above companies. References to companies names are for identification purposes only and are not Trade Marks or Trade Names used by or affiliated with American Mfg Company.

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