See the quality come together. Watch the US Motor Works Heavy Duty Water Pump #US94 being assembled with the precision and craftsmanship that go into every unit. Designed as a replacement for Cummins engines, each pump features precision CNC-machined surfaces, OEM-specified case-hardened bearings, a high-efficiency composite impeller, and premium seals. Every water pump is leak-tested and inspected to ensure the fit, form, and performance you can count on. Choose the quality that’s built to last—contact your US Motor Works distributor today and put OEM-level performance to work.
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.
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.
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.
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.
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.
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.
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.
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.
