120437
Male Adapter Elbow
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$22.95 $27.31

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 120437 Male Adapter Elbow is a specialized component designed for use in commercial truck systems. Its purpose is to facilitate the connection and redirection of fluid flow within various systems of a truck. This adapter elbow is significant due to its role in ensuring efficient and reliable fluid transfer, which is vital for the overall performance and maintenance of truck systems 1.

Basic Concepts of Male Adapter Elbows

A Male Adapter Elbow is a fitting used in fluid systems to connect two pipes at an angle. It features a male thread on one end, which screws into a female fitting, and an angled outlet on the other end to redirect fluid flow. This type of fitting is commonly used in hydraulic, fuel, and coolant systems to manage the direction and connection of fluid lines efficiently 2.

Purpose of the 120437 Male Adapter Elbow

The Cummins 120437 Male Adapter Elbow serves a specific function in the operation of a truck by enabling the connection and redirection of fluid lines within the truck’s systems. It is particularly applied in fluid transfer systems where changes in direction are necessary without compromising the integrity of the fluid flow. This adapter ensures that fluids are directed accurately to their intended components, maintaining system efficiency and performance 3.

Key Features

The Cummins 120437 Male Adapter Elbow is characterized by several key features that enhance its functionality. It is constructed from durable materials to withstand the pressures and temperatures typical in truck systems. The design includes precise threading to ensure a secure connection, and the angled outlet is crafted to facilitate smooth fluid transfer. Additionally, the adapter may feature corrosion-resistant coatings or treatments to extend its service life in harsh operating environments.

Benefits

The use of the Cummins 120437 Male Adapter Elbow offers several advantages. It contributes to improved system efficiency by ensuring secure and leak-free connections. Its durable construction and design attributes enhance the reliability and longevity of the fluid systems in which it is installed. Furthermore, the adapter is designed for ease of installation, allowing for quick and straightforward integration into existing systems.

Installation and Usage

Proper installation of the Cummins 120437 Male Adapter Elbow involves ensuring that the male threads are clean and free from debris before screwing into the corresponding female fitting. It is important to tighten the connection to the manufacturer’s specifications to prevent leaks while avoiding over-tightening, which could damage the threads. This adapter is commonly used in applications where fluid lines need to change direction, such as in hydraulic systems, fuel lines, and coolant circuits.

Troubleshooting and Maintenance

To troubleshoot issues related to the Cummins 120437 Male Adapter Elbow, it is important to check for signs of leaks, corrosion, or damage to the threads. Regular maintenance includes inspecting the connection points for tightness and ensuring that there is no buildup of debris that could impede fluid flow. If wear or failure is detected, replacement of the adapter may be necessary to maintain system integrity.

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 quality, reliability, and innovation in the commercial truck industry. The company’s product range includes a wide array of components and systems designed to enhance the performance and efficiency of commercial vehicles.

Compatibility of Male Adapter Elbow Part 120437 with Cummins Engines

The Male Adapter Elbow part 120437, manufactured by Cummins, is designed to fit seamlessly with a variety of Cummins engine models. This part is crucial for ensuring proper fluid flow and connection in the engine’s system. Here’s how it integrates with specific Cummins engines:

Medium Duty Engines

  • 6B5.9: This engine benefits from the Male Adapter Elbow in maintaining fluid pathways, ensuring efficient operation.
  • K19: The part is compatible with the K19, aiding in the connection of various fluid lines.
  • K38: The K38 engine utilizes the Male Adapter Elbow for its robust design, ensuring durability and reliability.
  • K50: The K50 engine also integrates this part, providing a secure connection for fluid lines.

Heavy Duty Engines

  • M11 CELECT PLUS: The Male Adapter Elbow is essential for the M11 CELECT PLUS, facilitating smooth fluid transitions.
  • M11 MECHANICAL: This part fits the M11 MECHANICAL engine, ensuring precise and reliable connections.
  • N14 G: The N14 G engine incorporates the Male Adapter Elbow, enhancing the engine’s fluid management system.
  • N14 MECHANICAL: The N14 MECHANICAL engine also uses this part, ensuring optimal performance and longevity.

Industrial and Power Generation Engines

  • NH/NT 855: The Male Adapter Elbow is compatible with the NH/NT 855, providing a critical connection point for fluid lines.
  • QSK19 CM850 MCRS: This part fits the QSK19 CM850 MCRS engine, ensuring efficient fluid flow and connection.
  • QSN14 CM876 N103: The QSN14 CM876 N103 engine also utilizes the Male Adapter Elbow, ensuring reliable and secure connections.
  • V28: The V28 engine incorporates the Male Adapter Elbow, providing a robust solution for fluid management.

This part is engineered to meet the specific needs of each engine model, ensuring compatibility and performance. Its design allows for easy installation and maintenance, making it a valuable component for Cummins engines across various applications.

Role of Part 120437 Male Adapter Elbow in Engine Systems

The part 120437 Male Adapter Elbow is an essential component in various engine systems, facilitating the connection and redirection of fluid pathways. Its application spans across multiple subsystems, ensuring efficient operation and integration of different engine components.

Radiator Plumbing and Cooling System

In the radiator plumbing arrangement, the Male Adapter Elbow is utilized to connect the radiator inlet tube to the radiator connection points. This ensures a secure and leak-free joint, which is vital for maintaining the integrity of the cooling system. The adapter elbow allows for a smooth transition between different diameters or orientations of tubing, enhancing the flow of coolant through the radiator and into the engine block. Additionally, it plays a role in the radiator cooling system by aiding in the efficient transfer of heat away from the engine, preventing overheating.

Turbocharger and Manifold Integration

Within the turbocharger system, the Male Adapter Elbow is employed to connect the turbocharger to the manifold. This connection is critical for directing the flow of exhaust gases from the engine to the turbocharger, thereby increasing the efficiency of the turbocharging process. The adapter elbow ensures a precise fit, reducing the risk of leaks and improving the overall performance of the turbocharger.

Fuel System Components

In the fuel system, the Male Adapter Elbow is used in several applications. It connects the fuel pump to the fuel supply tubing, ensuring a consistent flow of fuel from the pump to the engine. Additionally, it is utilized in the fuel connection kit to join various fuel lines, such as the fuel bypass tube and the fuel drain mounting tube. This component also plays a role in mounting the fuel bypass tube and the fuel valve, facilitating the proper functioning of the fuel bypass system.

Heat Exchanger and Vent System

The Male Adapter Elbow is integral to the heat exchanger system, where it connects the heat exchanger to the heat exchanger vent. This connection allows for the efficient release of excess heat and pressure from the heat exchanger, maintaining optimal operating conditions. Furthermore, it is used in the exchanger heat mounting arrangement to secure the heat exchanger in place, ensuring stable and reliable performance.

Water Transfer and Additional Connections

In systems involving water transfer, such as the water transfer hose, the Male Adapter Elbow ensures a secure connection between different sections of hose, promoting efficient water flow and cooling. It is also used in various mounting applications, including the mounting fuel bypass tube and the mtg fuel by-pass, to provide stable and reliable connections in the fuel system.

Overall, the part 120437 Male Adapter Elbow is a versatile component that enhances the functionality and efficiency of various engine systems by providing secure, leak-free connections and facilitating the smooth transition of fluids between different components.

Conclusion

The Cummins 120437 Male Adapter Elbow is a critical component in the efficient operation of commercial truck systems. Its role in facilitating secure and reliable fluid connections across various engine subsystems underscores its importance in maintaining system performance and longevity. The adapter’s durable construction, precise design, and ease of installation make it a valuable asset for Cummins engines, ensuring optimal fluid management and system integrity.


  1. Brach, R. Matthew. SAE International’s Dictionary of Vehicle Accident Reconstruction and Automotive Safety. SAE Books, 2023.

  2. Hick, Hannes, Klaus Kupper, and Helfried Sorger. Systems Engineering for Automotive Powertrain Development. Springer, 2021.

  3. Denton, Tom, and Hayley Pells. Automotive Technician Training, Second Edition. Routledge, 2022.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
1.3 x 0.6 x 0.63 in
Weight
0.06 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.