4941150
Coupling Nipple
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$46.95 $55.87

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 4941150 Coupling Nipple, a component manufactured by Cummins, is integral to the automotive and heavy-duty truck industry. This part facilitates the connection and transfer of fluids within truck systems, underscoring its importance for maintaining vehicle efficiency and reliability.

Basic Concepts of Coupling Nipples

A coupling nipple is a threaded fitting used to join pipes or tubes in fluid systems, ensuring secure transfer of liquids or gases. In truck components, these nipples ensure fluid systems operate smoothly and efficiently by providing reliable connection points 1.

Purpose of the 4941150 Coupling Nipple

This Cummins part is designed to connect various fluid transfer systems within a truck, ensuring secure and leak-free connections. It plays a role in the proper functioning of hydraulic, fuel, or coolant systems, contributing to vehicle efficiency and performance 2.

Key Features

Constructed from high-quality materials, the 4941150 Coupling Nipple offers durability and corrosion resistance. Its precise threading facilitates a tight seal, minimizing leak risks. The robust build withstands high pressures and temperatures common in heavy-duty applications 3.

Benefits

Using the 4941150 Coupling Nipple enhances system efficiency through secure connections, increases durability due to its material composition, and improves reliability in demanding environments. These attributes are valuable for maintaining heavy-duty truck performance.

Installation Process

To install this part, ensure connecting pipes are clean and free of debris. Apply a compatible thread sealant to the nipple’s threads to enhance the seal. Screw the nipple into the corresponding fitting, using a wrench to tighten it securely, avoiding over-tightening to prevent thread damage.

Troubleshooting Common Issues

Common issues with coupling nipples include leaks or blockages. To address leaks, check the connection for proper tightness and ensure correct application of thread sealant. For blockages, inspect the nipple and connected pipes for obstructions and clear them as necessary.

Maintenance Tips

Regular maintenance of the 4941150 Coupling Nipple involves periodic inspection for wear or corrosion signs. Cleaning the nipple and its connections prevents buildup that may lead to blockages. Following manufacturer guidelines for inspection intervals and maintenance procedures ensures component longevity and optimal performance.

Cummins: A Brief Overview

Cummins Inc., a global power leader, designs, manufactures, and distributes engines, filtration, and power generation products. With a century-long history, Cummins is renowned for quality and innovation in the automotive and heavy-duty truck industry. Their product range includes engines, powertrains, and related components designed to meet commercial and industrial application demands.

Coupling Nipple 4941150 Compatibility with Cummins Engines

The Coupling Nipple 4941150, manufactured by Cummins, ensures proper connection and operation of various parts within the engine system. It is designed to fit seamlessly with several Cummins engine models, enhancing overall performance and reliability.

B3.3 Engine

The B3.3 engine benefits from the use of the Coupling Nipple 4941150, which maintains the integrity of the engine’s connections, ensuring smooth operation and preventing potential leaks or disconnections.

QSB3.3 CM2150 and QSB3.3 CM2250 EC Engines

These engines utilize the Coupling Nipple 4941150 to maintain necessary connections within their systems. The use of this component ensures efficient and reliable engine operation, contributing to their durability and effectiveness.

Role of Part 4941150 Coupling Nipple in Engine Systems

The 4941150 Coupling Nipple is crucial in various engine systems, facilitating secure and efficient connections between different parts. Its application includes:

Accessories

In accessory systems, the 4941150 Coupling Nipple ensures reliable connections for components such as oil coolers and fuel filters, maintaining the integrity of fluid pathways and preventing leaks.

Fuel System

Within the fuel system, this coupling nipple connects fuel lines to the fuel pump and injectors, ensuring a leak-free connection vital for maintaining fuel pressure and delivering the correct fuel mixture to the engine.

Plumbing

For general engine plumbing, the 4941150 Coupling Nipple joins various hoses and pipes that carry coolant, oil, and other fluids. Its design allows for easy installation and removal, simplifying maintenance and repairs.

Turbocharger

In turbocharger systems, this component connects the turbocharger to the intercooler and other parts of the exhaust and intake systems, helping maintain necessary pressure and flow rates for optimal turbocharger performance.

Turbocharger Plumbing

Specifically in turbocharger plumbing, the 4941150 Coupling Nipple ensures secure and leak-free connections between the turbocharger, intercooler, and other components, maintaining the efficiency and reliability of the turbocharger system.

Conclusion

The 4941150 Coupling Nipple is a vital component in the maintenance and operation of heavy-duty trucks and Cummins engines. Its design and features ensure secure, efficient fluid transfer, contributing to the overall performance and reliability of these systems. Regular maintenance and proper installation are key to maximizing the benefits of this part.


  1. Atkins, Richard D. An Introduction to Engine Testing and Development. SAE International, 2009.

  2. Gilles, Tim. Automotive Service: Inspection, Maintenance, Repair: 2nd Edition. Cengage Learning, 2020.

  3. Khajepour, Amir. Synthesis Lectures on Advances in Automotive Technology. Springer, 2023.

SPECIFICATIONS

Package Dimensions
3.3 x 1.7 x 1.7 in
Weight
0.2 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.