3912645RX
Pump Fuel A Inline A RQ
Cummins®

AVAILABLE

Cummins®

1 is currently available

Ships within 2-4 business days

$4,999.95 $5,949.94
Refundable Core Charge: $389.95

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The 3912645RX Pump Fuel A Inline A RQ, manufactured by Cummins, is a critical component in the fuel systems of commercial trucks. This part ensures the efficient operation of the vehicle by facilitating the delivery of fuel from the tank to the engine. Its role in maintaining the necessary fuel pressure and flow is essential for optimal engine performance 1.

Function and Operation

This Cummins part operates as an inline fuel pump within the truck’s fuel system. It draws fuel from the tank and delivers it to the engine under consistent pressure, ensuring a steady supply of fuel. This mechanism is vital for maintaining engine efficiency and performance, especially under varying load conditions 2.

Key Features

The Pump Fuel A Inline A RQ is characterized by several key features that enhance its performance and durability. Its design incorporates robust construction materials resistant to the corrosive effects of fuel, ensuring longevity. The pump is engineered to operate efficiently across a range of temperatures and conditions, common in commercial trucking environments. Additionally, it features a compact design that allows for easy integration into existing fuel systems 3.

Benefits

The advantages provided by the Pump Fuel A Inline A RQ include improved fuel efficiency and reliable performance under various operating conditions. By ensuring a consistent fuel supply to the engine, the pump contributes to overall engine health and longevity. Its reliable operation helps in reducing the likelihood of fuel-related issues, thereby enhancing the truck’s operational efficiency 4.

Installation and Integration

Proper installation of the 3912645RX within a truck’s fuel system is crucial for its effective operation. It is important to ensure compatibility with other components of the fuel system to avoid any issues. The installation process involves securing the pump in an appropriate location within the fuel line, ensuring that it is properly connected and sealed to prevent leaks. Careful consideration should be given to the pump’s orientation and the routing of fuel lines to facilitate efficient fuel flow 5.

Maintenance and Troubleshooting

Routine maintenance practices are recommended to ensure the longevity and optimal performance of the Pump Fuel A Inline A RQ. Regular inspections for signs of wear or damage, and cleaning or replacing filters as necessary, are important steps in maintaining the pump’s efficiency. Common issues that may arise include fuel leaks or inconsistent fuel pressure, which can often be diagnosed through systematic checks of the fuel system. Troubleshooting tips include verifying electrical connections and ensuring that the pump is receiving adequate power 6.

Safety Considerations

When working with the Pump Fuel A Inline A RQ, it is important to observe several safety guidelines and precautions. These include proper handling of fuel to prevent spills and fires, ensuring that electrical connections are secure and insulated to avoid short circuits, and following operational safety measures to protect against injury. It is also advisable to consult the manufacturer’s guidelines for specific safety instructions related to the pump’s operation and maintenance 7.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for innovation, quality, and customer satisfaction in the commercial truck industry. The company’s commitment to advancing technology and improving product performance is evident in its wide range of engine and component offerings, designed to meet the demanding requirements of commercial applications 8.

Conclusion

The 3912645RX Pump Fuel A Inline A RQ is a vital component in the fuel systems of commercial trucks, ensuring efficient fuel delivery and maintaining optimal engine performance. Its robust design, reliable operation, and ease of integration make it a preferred choice for commercial trucking applications. Proper installation, regular maintenance, and adherence to safety guidelines are essential for maximizing the benefits of this Cummins part.


  1. Fehan, D. R. (2013). Design of Racing and High-Performance Engines 2004-2013. SAE International.

  2. Pulkrabek, W. W. (2014). Engineering Fundamentals of the Internal Combustion Engine. Pearson Education.

  3. Thompson, R. (2019). Automotive Maintenance: Light Repair. Cengage Learning.

  4. Sobey, E. (2009). A Field Guide to Automotive Technology. Chicago Review Press.

  5. Cummins Inc. (2023). B5.9 CM2670 B166C Service Manual (5579937).

  6. Cummins Inc. (2023). B5.9 CM2670 B166C Service Manual (5579937).

  7. Cummins Inc. (2023). B5.9 CM2670 B166C Service Manual (5579937).

  8. Cummins Inc. (2023). B5.9 CM2670 B166C Service Manual (5579937).

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SPECIFICATIONS

Package Dimensions
22.0 x 13.7 x 8.2 in
Weight
29.3 lb
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.