4093742
Hand Pump
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$329.95 $392.64

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 Cummins 4093742 Hand Pump is a specialized tool designed for use in commercial trucks. It plays a role in facilitating the manual operation of various systems within these vehicles, ensuring they can be serviced and maintained efficiently. This hand pump is particularly useful in scenarios where automated systems may be unavailable or require manual intervention.

Basic Concepts of Hand Pumps

Hand pumps operate on the principle of mechanical advantage, using human force to create pressure or vacuum within a system 1. They are commonly used across various industries for tasks such as fluid transfer, system priming, and pressure testing. Hand pumps can be categorized into several types, including piston, diaphragm, and lever pumps, each suited to different applications based on their design and operational mechanics.

Purpose of the Cummins 4093742 Hand Pump

The Cummins 4093742 Hand Pump is designed to assist in the operation of commercial trucks by providing a manual means to engage hydraulic, fuel, and lubrication systems. It allows for the manual pressurization of these systems, which can be necessary during maintenance procedures, system priming, or in emergency situations where automated systems are non-functional.

Key Features

The Cummins 4093742 Hand Pump is constructed with durability and efficiency in mind. Its design incorporates high-quality materials to ensure longevity and reliable performance. Unique characteristics of this hand pump include its ergonomic handle design for ease of use, a robust construction that can withstand the rigors of commercial truck environments, and a precise engineering that ensures accurate pressure delivery.

Benefits

Utilizing the Cummins 4093742 Hand Pump offers several advantages. It enhances the efficiency of maintenance procedures by providing a reliable manual option for system engagement. The pump’s design contributes to the reliability of commercial truck operations by ensuring that critical systems can be manually operated when necessary. Additionally, its ease of use reduces the complexity of maintenance tasks, making it a valuable tool for fleet managers and technicians.

Installation and Usage

Installing and using the Cummins 4093742 Hand Pump involves connecting it to the appropriate system port on the truck, ensuring a secure fit to prevent leaks. Operation is straightforward, requiring the user to manually pump the handle to build pressure within the system. It is important to follow the manufacturer’s guidelines for installation and usage to ensure safety and effectiveness.

Troubleshooting and Maintenance

Common issues with the Cummins 4093742 Hand Pump may include leaks, difficulty in building pressure, or handle malfunction. Troubleshooting steps involve checking connections for leaks, ensuring the pump is correctly installed, and inspecting the handle mechanism for any obstructions or damage. Regular maintenance, such as cleaning and lubricating moving parts, can help prevent issues and ensure optimal performance.

Safety Considerations

When using the Cummins 4093742 Hand Pump, it is important to adhere to safety guidelines to prevent injury and ensure the pump’s longevity. This includes wearing appropriate personal protective equipment, ensuring the pump is securely connected before operation, and avoiding over-pressurization of systems. Proper storage in a dry, secure location when not in use also contributes to the safety and longevity of the pump.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a rich history of innovation and a broad product range, Cummins has established a strong reputation in the commercial truck industry for producing reliable, high-performance components. The company’s commitment to quality and customer satisfaction is evident in its extensive lineup of products, including the Cummins 4093742 Hand Pump 2.

Role of Part 4093742 Hand Pump in Engine Systems

The part 4093742 Hand Pump is an essential component in various engine systems, facilitating the manual operation of fuel-related processes. Its integration with the fuel filter, fuel pump transfer, and fuel transfer pump components ensures efficient and reliable fuel management within the engine system.

Integration with Fuel Filter

The Hand Pump works in conjunction with the fuel filter to maintain the quality of fuel delivered to the engine. By manually operating the pump, engineers and mechanics can prime the fuel system, ensuring that any air pockets are removed and that clean, filtered fuel is consistently supplied. This process is particularly important during initial setup or after maintenance procedures where the fuel system may have been compromised.

Coordination with Fuel Pump Transfer

In systems where a fuel pump transfer is utilized, the Hand Pump plays a supportive role. It allows for manual intervention in the fuel transfer process, ensuring that fuel is adequately moved from one location to another within the system. This is especially useful in scenarios where the automatic fuel pump may be malfunctioning or when precise control over fuel transfer is required.

Synergy with Fuel Transfer Pump

The Hand Pump’s compatibility with the fuel transfer pump enhances the overall efficiency of fuel distribution within the engine system. By providing a manual alternative to the automatic fuel transfer pump, it ensures that fuel can still be effectively circulated even if the primary pump fails. This redundancy is vital for maintaining engine operation under various conditions, including emergencies or equipment malfunctions.

Conclusion

In summary, the Cummins 4093742 Hand Pump is a versatile component that enhances the functionality and reliability of engine systems by working seamlessly with the fuel filter, fuel pump transfer, and fuel transfer pump. Its manual operation capability provides an additional layer of control and assurance in fuel management processes.


  1. Sclar, Deanna. Auto Repair for Dummies: 2nd Edition. For Dummies, 2008.

  2. Reif, Konrad. Gasoline Engine Management Systems and Components. Springer Vieweg, 2015.

* 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.