3634708
Draincock
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$52.95 $63.01

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

Introduction

The Cummins 3634708 Draincock is a specialized component designed for commercial trucks, facilitating the drainage of fluids from various systems within the vehicle. This part ensures that maintenance procedures can be performed efficiently and effectively, contributing to the operational integrity of trucks by allowing for the periodic removal of fluids necessary for system upkeep and performance optimization.

Basic Concepts of Draincocks

A draincock is a valve used to release fluid from a system, typically consisting of a threaded body with a plug or cap that can be unscrewed to allow fluid to escape 1. Draincocks are essential in fluid systems for enabling the emptying of tanks or lines for maintenance, repair, or system flushing, ensuring that systems can be properly serviced without complex disassembly.

Purpose of the Cummins 3634708 Draincock

The Cummins 3634708 Draincock is utilized in various applications, including coolant, fuel, and oil systems within commercial trucks 2. By providing a straightforward method for fluid drainage, it facilitates routine maintenance tasks such as fluid changes or system cleanings, ensuring that the truck’s systems remain clean and free from contaminants, which can affect performance and longevity.

Key Features

This Cummins part is constructed from durable materials to withstand the pressures and temperatures associated with truck fluid systems. Its design includes a secure threading mechanism to ensure a tight seal when closed, preventing leaks. Additionally, it may feature an ergonomic handle for ease of operation, allowing for quick and efficient fluid drainage 3.

Benefits

The Cummins 3634708 Draincock offers several benefits that contribute to its effectiveness in commercial truck applications. Its design allows for ease of use, making it simple for technicians to operate during maintenance procedures. The durability of the materials ensures long-term reliability, while the efficiency of the drainage process helps to minimize downtime during service intervals 4.

Installation Process

Installing the Cummins 3634708 Draincock requires following a series of steps to ensure proper fitting and function. The process involves preparing the installation site, using appropriate tools to secure the draincock in place, and verifying that it is correctly aligned with the fluid system. Safety precautions, such as ensuring the system is depressurized and cool, should be observed throughout the installation to prevent injury or damage.

Troubleshooting

Common issues with the Cummins 3634708 Draincock may include leaks, difficulty in operation, or failure to seal properly. These issues can often be traced to incorrect installation, wear and tear, or damage to the draincock. Troubleshooting steps may involve inspecting the draincock for signs of damage, ensuring it is correctly installed, and replacing it if necessary to restore proper function.

Maintenance Tips

Regular maintenance of the Cummins 3634708 Draincock is important for ensuring optimal performance and longevity. This includes periodic inspection for signs of wear or damage, cleaning the draincock and surrounding area to prevent buildup, and ensuring that the sealing surfaces are free from debris. Adhering to recommended inspection intervals and performing routine checks can help identify potential issues before they lead to more significant problems.

Safety Considerations

When working with the Cummins 3634708 Draincock, it is important to observe safety considerations to protect against injury and ensure the integrity of the fluid system. This includes handling hot fluids with care to avoid burns, ensuring that the draincock is properly sealed to prevent leaks, and following all manufacturer guidelines for operation and maintenance. Proper personal protective equipment should be worn when performing maintenance tasks involving the draincock.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and quality, Cummins has established a strong reputation in the commercial truck industry. The company’s commitment to excellence is reflected in its product offerings, including the Cummins 3634708 Draincock, which is designed to meet the demanding requirements of commercial vehicle applications.

Compatibility with Cummins Engines

The Cummins 3634708 Draincock is designed to fit seamlessly with a range of Cummins engines, ensuring efficient maintenance and operation. This draincock is engineered to provide a reliable method for draining fluids from the engine, which is crucial for regular maintenance and troubleshooting.

K38 and K50 Engines

The Draincock is compatible with the K38 and K50 engines. These engines are known for their robust design and performance, making them suitable for various industrial applications. The draincock ensures that these engines can be easily maintained by allowing for the quick and efficient removal of fluids, which is essential for preventing contamination and ensuring optimal engine performance.

QSK45 CM500 and QSK60 CM500 Engines

Similarly, the QSK45 CM500 and QSK60 CM500 engines also benefit from the use of the Cummins 3634708 Draincock. These engines are part of the Cummins QSK series, which is renowned for its high power output and reliability. The draincock is designed to fit these engines perfectly, facilitating the easy drainage of fluids and contributing to the overall maintenance and longevity of the engines.

By ensuring that the draincock is compatible with these engines, Cummins provides a standardized maintenance solution that can be applied across different models, simplifying the maintenance process for operators and technicians.

Role of the 3634708 Draincock in Engine Systems

The 3634708 Draincock is an integral component in various engine systems, facilitating efficient fluid management and maintenance. Its applications span across multiple subsystems, ensuring optimal performance and longevity of the engine.

Aftercooler Systems

In aftercooler core and aftercooler plumbing systems, the Draincock plays a significant role in draining condensed water and other impurities from the aftercooler. This is essential for maintaining the efficiency of the aftercooler, which cools the compressed air from the turbocharger before it enters the engine. The Draincock is particularly important in aftercooler water plumbing, where it helps in removing accumulated water, thus preventing potential damage to the aftercooler core and associated components.

Turbocharger Plumbing

Within turbocharger plumbing systems, especially those involving turbocharger coolant, the Draincock is used to drain coolant from the system. This is vital for routine maintenance and during coolant changes to ensure that the turbocharger operates within optimal temperature ranges, enhancing its durability and performance.

Water Management Components

The Draincock is also employed in connection to the water outlet and manifold water systems. It aids in the removal of water that may accumulate in these components, preventing corrosion and ensuring that the water management system functions effectively.

Oil Control and Performance Parts

In systems involving oil control valves and performance parts, the Draincock is utilized to drain oil from various passages and chambers. This is important for maintaining the viscosity and cleanliness of the oil, which directly impacts the lubrication efficiency of moving parts within the engine.

Left and Right Bank Aftercooler Plumbing

Specifically, in left bank aftercooler plumbing and right bank aftercooler plumbing, the Draincock ensures that each side of the engine’s aftercooling system is efficiently drained. This balanced drainage is essential for symmetrical cooling performance across the engine, contributing to overall engine stability and performance.

Hose Vent and Injector Systems

Additionally, in hose vent systems, the Draincock helps in venting out any trapped fluids or gases, ensuring that the hoses remain free from blockages. In injector systems, it assists in draining any residual fluids, maintaining the precision and reliability of fuel injection.

LB LTA and RB LTA Connections

For LB LTA connections and RB LTA connections, the Draincock is crucial in draining fluids from these specific connection points. This ensures that the connections remain clear of contaminants, facilitating smooth operation and integration within the engine system.

Conclusion

In summary, the Cummins 3634708 Draincock is a versatile component that enhances the maintenance and operational efficiency of various engine systems by facilitating the drainage of fluids and impurities. Its application across different subsystems underscores its importance in ensuring the engine’s performance and longevity.


  1. Sobey, Ed. A Field Guide to Automotive Technology. Chicago Review Press, 2009.

  2. Bennett, Sean. Modern Diesel Technology: Light Duty Diesels. Cengage Learning, 2012.

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

  4. Wang, Yushu. Introduction to Engine Valvetrains. SAE International, 2007.

SPECIFICATIONS

Package Dimensions
2.7 x 2.0 x 2.0 in
Weight
0.028 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.