136521
Elbow Hose Coupling
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$63.95 $76.10

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 Elbow Hose Coupling, part #136521, manufactured by Cummins, is a component designed for use in commercial truck systems. This coupling facilitates the connection between hoses in fluid systems, ensuring efficient and reliable operation.

Basic Concepts of Elbow Hose Couplings

Elbow hose couplings are fittings used to join hoses at an angle, typically 90 degrees, within fluid systems. They allow for changes in direction of fluid flow without compromising the integrity of the system. These couplings are commonly employed in automotive and industrial applications to manage fluid transfer in engines, hydraulic systems, and cooling systems 1.

Purpose of the 136521 Elbow Hose Coupling in Truck Operations

This Cummins part is integral to the operation of commercial trucks. It functions within the truck’s fluid systems, such as coolant or hydraulic systems, by providing a secure and angled connection between hoses. This allows for efficient fluid transfer and helps maintain system pressure and performance 2.

Key Features of the 136521 Elbow Hose Coupling

The 136521 is characterized by its robust design and construction. It is made from high-quality materials that ensure durability and resistance to wear and corrosion. The coupling features a precise fitting mechanism that allows for easy connection and disconnection of hoses. Additionally, it includes unique attributes such as reinforced hose ends and leak-proof seals, which enhance its performance and longevity 3.

Benefits of Using the 136521 Elbow Hose Coupling

Incorporating this part into truck systems offers several advantages. It improves the efficiency of fluid transfer by providing a secure and reliable connection. The coupling’s durable construction ensures long-term performance, reducing the need for frequent replacements. Additionally, its design allows for easy installation and maintenance, minimizing downtime and operational disruptions 4.

Installation Considerations

When installing the 136521, it is important to follow guidelines and best practices to ensure proper function. Required tools include appropriate wrenches and hose clamps. The step-by-step installation process involves cleaning the hose ends, applying the coupling, and securing it with clamps. Common pitfalls to avoid include over-tightening, which can damage the coupling, and improper alignment, which can lead to leaks.

Troubleshooting Common Issues

Typical problems associated with the 136521 include leaks, connection failures, and performance issues. To address these, it is important to regularly inspect the coupling for signs of wear or damage. Leaks can often be resolved by tightening the clamps or replacing worn seals. Connection failures may require re-seating the hose or replacing the coupling if it is damaged.

Maintenance Tips

To ensure the longevity and optimal performance of the 136521, regular maintenance practices should be followed. This includes inspecting the coupling for wear and damage at regular intervals, cleaning it to remove any buildup, and replacing it according to the manufacturer’s guidelines. Proper maintenance will help prevent issues and ensure continued reliable operation.

Cummins: A Brief Overview

Cummins Inc. is a renowned manufacturer in the commercial truck industry, known for its history of innovation and commitment to quality. The company offers a wide range of products, including engines, filtration systems, and aftermarket parts. Cummins’ reputation is built on its dedication to producing reliable and high-performance components that meet the demanding needs of commercial truck operators.

Engine Compatibility with Elbow Hose Coupling Part 136521 by Cummins

The Elbow Hose Coupling part 136521 by Cummins is designed to fit a variety of engine models, ensuring seamless integration and functionality across different applications. Here is a detailed overview of its compatibility with specific engine names:

Cummins 6B5.9 Engine

The 6B5.9 engine benefits from the precision and reliability of the 136521 Elbow Hose Coupling, providing a secure connection for hoses that manage fluid flow and pressure.

Cummins B5.9 G Engine

The B5.9 G engine utilizes the 136521 Elbow Hose Coupling to maintain efficient and leak-free connections, crucial for its operational integrity.

Cummins G855 Engine

In the G855 engine, the 136521 Elbow Hose Coupling is essential for ensuring that hose connections are robust and capable of withstanding the engine’s operational demands.

Cummins GTA855 CM558 (CM2358) G101 Engine

The GTA855 CM558 (CM2358) G101 engine incorporates the 136521 Elbow Hose Coupling to facilitate precise and durable hose connections, enhancing the engine’s overall performance.

Cummins K19 Engine

The K19 engine relies on the 136521 Elbow Hose Coupling for critical fluid transfer processes, ensuring that connections are both reliable and efficient.

Cummins N14 G Engine

For the N14 G engine, the 136521 Elbow Hose Coupling is integral to maintaining the integrity of hose connections, which is vital for the engine’s smooth operation.

Cummins V28 Engine

The V28 engine uses the 136521 Elbow Hose Coupling to secure hose connections, ensuring that the engine operates with optimal fluid dynamics and pressure management.

Role of Part 136521 Elbow Hose Coupling in Engine Systems

The 136521 Elbow Hose Coupling is integral to the efficient operation of various engine systems. It facilitates the connection between different components, ensuring smooth fluid transfer and maintaining system integrity.

Breather System

In the breather system, the Elbow Hose Coupling connects the breather to the crankcase. This connection allows for the release of pressure built up within the crankcase, preventing damage and ensuring optimal engine performance. The coupling also links to the breather mounting tube, which directs the released gases away from the engine compartment, reducing the risk of contamination and corrosion.

Corrosion Resistor System

Within the corrosion resistor system, the Elbow Hose Coupling plays a key role in connecting the corrosion resistor to its mounting. This ensures that the resistor can effectively regulate the temperature of the fluids passing through, protecting sensitive engine components from corrosion. The coupling also aids in the connection to the heat exchanger, enhancing the overall efficiency of the corrosion prevention process.

Fuel Control Module

In the fuel control module, the Elbow Hose Coupling is used to connect the module to the manifold. This ensures that the fuel is properly distributed throughout the engine, optimizing combustion and performance. The coupling also assists in connecting the system to the wet manifold, allowing for precise fuel delivery and improved engine efficiency.

Engine Coolant and Water Filter System

The Elbow Hose Coupling is essential in the engine coolant system, where it connects the coolant passages to the water filter. This ensures that the coolant is effectively filtered before circulating through the engine, preventing debris and contaminants from causing damage. The coupling also links to the water filter mounting, securing the filter in place and maintaining the integrity of the cooling system.

Conclusion

The 136521 Elbow Hose Coupling by Cummins is a critical component in the fluid systems of commercial trucks. Its robust design, ease of installation, and maintenance benefits make it a reliable choice for ensuring efficient and secure fluid transfer in various engine systems. Regular maintenance and proper installation practices are essential to maximize the performance and longevity of this part.


  1. Eret, Angelina. Dynamic and Fatigue Assessment of Heavy-Duty Engine Valves. Springer Nature, 2024.

  2. Han, Zhiyu. Simulation and Optimization of Internal Combustion Engines. SAE International, 2022.

  3. Department of Energy. Department of Energy Fundamentals Handbook. Department of Energy, 2015.

  4. Hilgers, Michael. Transmissions and Drivetrain Design. Springer Vieweg, 2022.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
1.5 x 1.5 x 1.25 in
Weight
0.1 lbs
* 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.