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Author: USMWPRO

Technical Service Bulletin – Part No. US6047

Written by USMWPRO on . Posted in corporate news, Product Bulletins, USMW, USMW HD, Water Pump. No Comments on Technical Service Bulletin – Part No. US6047

To support proper installation and long-term performance of the US6047 water pump, we have released a new Technical Service Bulletin highlighting several critical installation procedures that should always be followed during service.

The US6047 is one of our most widely used water pumps, and proper installation practices are essential to ensuring reliable operation and preventing premature cooling system issues. This bulletin focuses on key areas, including:

• Using the correct coolant type and replacing contaminated coolant
• Proper mounting bolt torque specifications
• Correct threadlocker application
• Proper cooling system bleeding and air removal procedures

Following these installation guidelines can help improve cooling system performance, support long-term durability, and reduce the risk of common installation-related issues.

Please review the attached bulletin carefully before installation and share it with your service technicians and installers as needed.

Thank you for your continued support of US Motor Works products.

Download Bulletin     English          Spanish

Introducing the new Sever Duty Cooling Kit PN: 68843

Written by USMWPRO on . Posted in OSC Heavy Duty, OSC Radiators, Product Bulletins, uncategorized. No Comments on Introducing the new Sever Duty Cooling Kit PN: 68843

Introducing the new Derale Severe Duty Cooling Kit PN: 68843. A complete cooling solution featuring an OSC Severe Duty radiator, aluminum shroud, and dual high-output Derale electric fans. Designed for towing, heavy-duty use, and demanding applications, it delivers greater cooling capacity, improved airflow, and installation-ready performance in a single package.

More info at https://www.usmotorworks.com/product/68843

Download Flyer:     English          Spanish

Technical Service Bulletin – Part No. US6662

Written by USMWPRO on . Posted in corporate news, Product Bulletins, USMW, Water Pump. No Comments on Technical Service Bulletin – Part No. US6662

To support proper installation and long-term performance of the US6662 water pump, we have released a new Technical Service Bulletin highlighting several critical installation procedures that should always be followed during service.

The US6662 is one of our most widely used water pumps, and proper installation practices play an important role in ensuring reliable operation and preventing premature cooling system issues. This bulletin focuses on key areas, including:

• Using the correct coolant type and replacing contaminated coolant
• Proper mounting bolt torque specifications
• Correct threadlocker application
• Proper cooling system bleeding and air removal procedures

Following these installation guidelines can help improve cooling system performance, support long-term durability, and reduce the risk of common installation-related issues.

Please review the attached bulletin carefully before installation and share it with your service technicians and installers as needed.

Thank you for your continued support of US Motor Works products.

Download Bulletin     English          Spanish

Technical Service Bulletin – Part No. US8918

Written by USMWPRO on . Posted in corporate news, Product Bulletins, USMW, Water Pump. 52 Comments on Technical Service Bulletin – Part No. US8918

To support proper installation and long-term performance of the US8918 water pump, we have released a new Technical Service Bulletin highlighting several critical installation procedures that should always be followed during service.

The US8918 is one of our most widely used water pumps, and proper installation practices play an important role in ensuring reliable operation and preventing premature cooling system issues. This bulletin focuses on key areas, including:

• Using the correct coolant type and replacing contaminated coolant
• Proper mounting bolt torque specifications
• Correct threadlocker application
• Proper cooling system bleeding and air removal procedures

Following these installation guidelines can help improve cooling system performance, support long-term durability, and reduce the risk of common installation-related issues.

Please review the attached bulletin carefully before installation and share it with your service technicians and installers as needed.

Thank you for your continued support of US Motor Works products.

Download Bulletin     English          Spanish

New From USMW-HD Part No. US332 PACCAR MX13 Water Pump

Written by USMWPRO on . Posted in corporate news, USMW, USMW HD, Water Pump, Water Pump HD. 4 Comments on New From USMW-HD Part No. US332 PACCAR MX13 Water Pump

NEW FROM USMW-HD

Introducing the USMW-HD Part No. US332
Fits PACCAR MX13 Variable Speed Water Pump applications.

✔ NEW — Not Remanufactured
✔ Assembled in the USA
✔ High-Quality Components
✔ ISO Certified Manufacturing
✔ 100% Leak Tested

Built for durability. Engineered for performance. Trusted for the long haul.

USMW-HD USOP5886 Oil Pump for Detroit Diesel Series 60

Written by USMWPRO on . Posted in corporate news, Oil Pump HD, USMW HD. 2 Comments on USMW-HD USOP5886 Oil Pump for Detroit Diesel Series 60

One of USMW-HD’s top sellers, the USOP5886 Oil Pump is built to handle the demands of Detroit Diesel Series 60 engines with confidence. This 100% NEW unit—never remanufactured—delivers consistent oil flow, durability, and long-lasting performance in the toughest conditions. When reliability matters most, trust a pump engineered to keep your engine protected and running strong. Find the right oil pump for your application with our Online Parts Finder.

See our Online Parts Finder to easily locate the right fit for your vehicle.

 

USMW Water Pumps

Written by USMWPRO on . Posted in corporate news, New Product, Product Bulletins, Water Pump. 4 Comments on USMW Water Pumps

Engineered for reliability and built to perform, USMW Professional Series water pumps deliver true OEM-level performance with precision CNC-machined components, case-hardened bearings, and high-quality seals you can trust. Designed for thousands of domestic and import applications, each unit is crafted with durable materials and advanced metal impeller integration to keep your engine running cooler, longer. When quality control matters and performance is non-negotiable, USMW is the name professionals depend on.

Search our online Catalog here for your application

Solutions for Electric Vehicles – High-Performance Fluid Cooling

Written by USMWPRO on . Posted in corporate news, Derale, derale performance, Product Bulletins. 2 Comments on Solutions for Electric Vehicles – High-Performance Fluid Cooling

Power up your EV build with high-performance fluid cooling that doesn’t compromise. This compact, high-efficiency plate cooler delivers serious thermal control for batteries, inverters, drivetrains, and motors—pushing up to 67,000 BTU/hr with rugged, all-aluminum construction and an IP68-rated electric fan built to handle the toughest conditions. Whether you’re building for motorsports, off-road, or high-performance conversions, this system keeps temperatures in check so you can focus on performance where it matters most.
See more information here.

 

Webinar – Water Pump Coolant Leaks: Acceptable vs. Replacement

Written by USMWPRO on . Posted in corporate news, Water Pump. 5 Comments on Webinar – Water Pump Coolant Leaks: Acceptable vs. Replacement

Join us for a free, informative webinar on Water Pump Coolant Leaks: Acceptable vs. Replacement and gain valuable insights into identifying when a leak is normal and when it’s time for a replacement. Whether you’re a technician or shop owner, this is a great opportunity to sharpen your diagnostic skills and avoid costly mistakes. Don’t miss out—reserve your spot today and stay ahead with expert guidance!

This 60-minute session takes place on Thursday, April 30, 2026, at 11:00 AM PT / 2:00 PM ET.