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When a diesel owner considers replacing the CP4 in a 6.7L Power Stroke with the S&S Ford 6.7L CP4 to DCR Conversion Kit, there are usually two major questions.
First: Is the DCR a dependable replacement?
Second: Where is the DCR pump actually made?
That second question has created plenty of discussion online. Some customers have heard that the DCR pump is made in China. Others assume the pump may be imported while the S&S Diesel Motorsport conversion kit is simply assembled in the United States.
The confusion is understandable because the history of the DCR pump is not quite as simple as looking at a box and reading a label.
The DCR pump was once produced overseas. However, when S&S Diesel Motorsport selected the DCR platform for its Ford 6.7L Power Stroke CP4 conversion kit, production of the pump used in the S&S application was moved to North Carolina.
Today, the S&S DCR pump and conversion kit have a distinctly American manufacturing story.
No. The DCR pump currently included in the S&S Diesel Motorsport 6.7L Power Stroke DCR conversion kit is not manufactured in China.
The belief that it is made overseas most likely comes from the earlier history of the pump. Before the DCR became part of the S&S conversion program, production took place outside the United States.
That changed when S&S decided to use the DCR as the foundation for its CP4 replacement system.
Rather than simply purchasing an existing overseas pump and placing it inside an S&S box, the program brought production of the DCR pump used in the conversion kit to North Carolina.
That distinction matters.
The DCR used in the Ford 6.7L Power Stroke application was co-developed by S&S Diesel Motorsport and PurePower Technologies. It was designed as a plug-and-play replacement for the factory CP4 while maintaining original-equipment-style fit and operation. The conversion does not require ECU calibration.
The DCR pump used in the S&S Diesel Motorsport conversion kit is manufactured in North Carolina.
This pump is the heart of the system. It is the high-pressure fuel pump that replaces the factory CP4 on compatible Ford 6.7L Power Stroke trucks.
Moving production to North Carolina was more than a change of address. It brought manufacturing closer to the companies responsible for engineering, supplying, and supporting the conversion.
For the truck owner opening the box, that means the pump at the center of the S&S DCR conversion is now an American-made component.
It is not an overseas pump that is simply repackaged in the United States.
The pump is manufactured in North Carolina, but that is only one part of the complete S&S CP4 to DCR conversion kit.
The remaining conversion-kit components are manufactured in Indiana. The complete kit is also assembled and packaged in Indiana before being sent through the distribution network and ultimately delivered to the customer.
The complete process looks like this:
From the pump itself to the supporting components and final packaging, the current S&S DCR conversion kit is produced in the United States.
The story begins with a pump design that already had experience in original-equipment fuel-system applications.
S&S Diesel Motorsport and PurePower saw an opportunity to adapt that platform into a direct CP4 replacement for the Ford 6.7L Power Stroke.
The goal was not simply to make another aftermarket high-pressure fuel pump. The goal was to create a complete conversion that installed like an original component, maintained the required fuel output, and did not require the owner to recalibrate the truck.
The result was a Ford-specific, two-piston DCR pump featuring patented eccentric-drive pumping technology, a pressure-lubricated cam and bushings, and corrosion-resistant components. The pump provides 1,250 cubic millimeters of displacement per revolution, which S&S lists as 25 percent more than the CP4.2.
Once S&S committed to offering the pump as part of its CP4-to-DCR conversion, the manufacturing story changed as well.
Production of the pump moved to North Carolina. Manufacturing of the remaining conversion components, along with assembly and packaging, took place in Indiana.
What began as a pump with overseas production became the centerpiece of an American-manufactured conversion system.
Diesel owners tend to research expensive fuel-system upgrades carefully, and they should.
A high-pressure fuel pump is not a cosmetic accessory. It is one of the most important components in the truck’s fuel system.
When customers are considering a conversion that protects a truck they may depend on every day, they naturally want to know who designed it, where its parts come from, and where it is assembled.
The confusion surrounding the DCR appears to come from several places.
First, earlier versions of the pump were produced overseas. Someone familiar with that older production history may assume nothing has changed.
Second, “assembled in the USA” and “made in the USA” are not always the same thing. Some products are manufactured almost entirely overseas and receive only minor assembly or packaging after they arrive in the United States.
That is not the current production story of the S&S DCR conversion.
The pump is manufactured in North Carolina. The remaining kit components are manufactured in Indiana. The conversion is then assembled and packaged in Indiana.
Yes. Based on the current manufacturing process, the S&S Diesel Motorsport DCR conversion kit is made in the United States.
The two main production locations are:
North Carolina: Manufacturing of the DCR high-pressure fuel pump.
Indiana: Manufacturing of the remaining conversion components, along with final kit assembly and packaging.
Customers may occasionally encounter older information stating that the pump was manufactured overseas. That information reflects the pump’s previous production history, not the current manufacturing process for the DCR used in the S&S conversion kit.
The DCR conversion is sometimes discussed as though S&S simply selected a pump from a catalog, added a few fittings, and placed its name on the package.
The actual development was more involved.
The DCR used in the conversion is a Ford-specific version created through collaboration between S&S Diesel Motorsport and PurePower Technologies. The system was engineered to serve as a plug-and-play replacement for the CP4 while retaining original-equipment-style fit and function.
The S&S Ford 6.7L DCR conversion does not require ECU calibration. It is also listed as emissions compliant and includes a two-year, unlimited-mile warranty.
The conversion brings together the pump, application-specific components, engineering, assembly, packaging, and product support required to turn the DCR platform into a complete solution for the 6.7L Power Stroke.
That work is performed in the United States.
Country of origin is not the only factor that determines product quality. Good and bad components can be produced almost anywhere.
However, domestic manufacturing can provide meaningful advantages for a specialized product such as a diesel high-pressure fuel-pump conversion.
It places manufacturing closer to the engineers and companies responsible for the product. It can simplify communication when production changes are required. It also gives the manufacturer greater visibility into the components being produced, assembled, and packaged under its name.
For customers, the benefit is clarity.
When you purchase the current S&S DCR conversion kit, you are not buying an unknown imported pump placed inside an American-branded box.
You are purchasing a conversion centered around a pump manufactured in North Carolina, supported by components manufactured in Indiana, and assembled and packaged in Indiana.
The current S&S Ford 6.7L CP4 to DCR Conversion Kit is listed for compatible 2011 through 2026 Ford F-250, F-350, F-450 and F-550 trucks. The product listing also includes certain Ford F-600 applications.
Customers should always enter their year, make and model on the product page to verify fitment before ordering. Owners of 2011 through 2016 trucks will also need a new vacuum pump gasket for installation.
The DCR high-pressure fuel pump used in the S&S Diesel Motorsport conversion kit is manufactured in North Carolina.
No. The pump used in the current S&S DCR conversion kit is manufactured in the United States. Older versions of the pump were produced overseas, which is likely the source of the confusion.
No. The pump is manufactured in North Carolina. The remaining components are manufactured in Indiana, where the complete kit is also assembled and packaged.
Yes. The conversion kit is assembled and packaged in Indiana.
The Ford-specific DCR conversion was co-developed by S&S Diesel Motorsport and PurePower Technologies. It was engineered as a more durable, plug-and-play replacement for the original CP4 high-pressure fuel pump.
No. The S&S DCR conversion is designed to operate without ECU calibration or custom tuning.
Installing the DCR by itself does not increase engine power. However, S&S states that the pump has 25 percent more displacement than the factory CP4 and can support additional power when the truck’s calibration calls for more fuel.
You can purchase the S&S Diesel CP4 to DCR Pump Conversion Kit for the Ford 6.7L Power Stroke from Thoroughbred Diesel.
The current DCR pump used in the S&S Diesel Motorsport Ford 6.7L Power Stroke conversion kit is made in North Carolina.
The rest of the conversion-kit components are manufactured in Indiana. The complete kit is then assembled and packaged in Indiana.
The DCR pump did have an earlier history of overseas production. However, once S&S committed to using the platform for its CP4-to-DCR conversion, production of the pump used in the kit was moved to the United States.
So, is the S&S DCR pump made in China?
No.
The pump is manufactured in North Carolina, and the remainder of the S&S DCR conversion kit is manufactured, assembled, and packaged in Indiana.
That is the current story behind the DCR, and it is an American manufacturing story.
The factory CP4 has become a major concern for many Ford 6.7L Power Stroke owners. The DCR conversion provides a plug-and-play alternative designed to deliver original-equipment-style fit and function without requiring custom tuning.
Shop the S&S Ford 6.7L CP4 to DCR Conversion Kit at Thoroughbred Diesel.