4358023
Orifice Fitting
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$469.95 $559.24

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 4358023 Orifice Fitting, manufactured by Cummins, is a component designed for use in commercial truck systems. Cummins, a well-established name in the automotive and industrial sectors, produces this fitting to enhance the functionality and efficiency of truck systems. This fitting is integral to the operation of commercial trucks, contributing to the overall performance and reliability of the vehicle.

Basic Concepts of Orifice Fittings

Orifice fittings are components used in fluid systems to regulate the flow of liquids or gases. They work by creating a restriction in the flow path, which can be used to control pressure, manage flow rates, and ensure consistent performance within the system. In automotive and industrial applications, orifice fittings are commonly employed in fuel systems, hydraulic systems, and other fluid-based systems to maintain optimal operation 1.

Purpose of the 4358023 Orifice Fitting

This Cummins part is specifically designed to play a role in the fuel or hydraulic systems of commercial trucks. By regulating the flow of fluid through a precisely sized opening, this fitting helps maintain the desired pressure and flow rate within the system. This ensures that the truck’s engine or hydraulic components receive the correct amount of fluid, contributing to efficient operation and performance 2.

Key Features

The 4358023 Orifice Fitting is constructed with high-quality materials to ensure durability and reliable performance. Its design includes specific dimensions and a unique orifice size tailored to the requirements of commercial truck systems. The fitting is engineered to withstand the rigors of heavy-duty use, providing consistent performance over time 3.

Benefits

The use of the 4358023 Orifice Fitting offers several advantages. It contributes to improved system efficiency by ensuring precise fluid flow, which can lead to better overall performance of the truck. Additionally, the fitting’s reliable operation helps enhance the reliability of the truck’s systems, potentially leading to cost savings for fleet operators through reduced maintenance and repair needs 4.

Installation Considerations

Proper installation of the 4358023 Orifice Fitting is important to ensure it functions as intended. Guidelines for installation include using the appropriate tools, following manufacturer-recommended procedures, and observing safety precautions. Careful installation helps prevent issues such as leaks or improper flow regulation, ensuring the fitting operates effectively within the system.

Troubleshooting and Maintenance

Common issues with the 4358023 Orifice Fitting may include blockages or wear over time. Diagnostic methods to identify problems can involve checking for consistent flow rates and pressures within the system. Maintenance tips for this fitting include regular inspection for signs of wear or damage, and cleaning or replacing the fitting as necessary to ensure longevity and optimal performance.

Cummins: Manufacturer Overview

Cummins Inc. is a leading manufacturer in the automotive and industrial sectors, known for its wide range of products including engines, filtration systems, and components like the 4358023 Orifice Fitting. With a strong reputation for quality and innovation, Cummins has a history of providing reliable and high-performance products to meet the needs of its customers in various industries.

Orifice Fitting 4358023 Compatibility with Cummins Engines

The Orifice Fitting part number 4358023, manufactured by Cummins, is designed to integrate seamlessly with a variety of Cummins engine models. This fitting is a critical component in the engine’s fuel system, ensuring precise fuel flow and pressure regulation.

QSK50 Engine Series

The QSK50 engine series, known for its robust performance and reliability, is compatible with the 4358023 Orifice Fitting. This fitting is integral to maintaining the engine’s efficiency and performance, particularly in demanding applications where precise fuel management is crucial.

CM2150 Engine Series

The CM2150 engine series, another high-performance offering from Cummins, also utilizes the 4358023 Orifice Fitting. This part ensures that the engine’s fuel system operates within the specified parameters, contributing to the engine’s overall durability and efficiency.

MCRS Engine Series

The MCRS engine series, designed for heavy-duty applications, benefits from the precise control provided by the 4358023 Orifice Fitting. This component is essential for maintaining the engine’s operational integrity, especially in environments where the engine is subjected to significant stress and varying conditions.

By ensuring compatibility with these engine series, the 4358023 Orifice Fitting plays a vital role in the performance and longevity of Cummins engines.

Role of Part 4358023 Orifice Fitting in Engine Systems

The 4358023 Orifice Fitting is an essential component in the orchestration of various engine systems, ensuring optimal performance and efficiency. Its integration within these systems is pivotal for maintaining the desired operational parameters.

Integration with the Arrangement

In the context of the engine arrangement, the 4358023 Orifice Fitting facilitates precise fluid dynamics. It is strategically positioned to regulate the flow rates between different sections of the engine. This regulation is vital for maintaining consistent pressure and flow, which in turn supports the overall stability and performance of the engine.

Function within the Pressure Regulator Valve

When incorporated into the Pressure Regulator Valve (PRV) system, the 4358023 Orifice Fitting plays a significant role in modulating pressure levels. By controlling the rate at which fluid passes through the valve, it helps in stabilizing the pressure within the system. This is particularly important in high-stress environments where fluctuations in pressure can lead to inefficiencies or even damage to the engine components.

Role in the Fuel Transfer Kit

In the Fuel Transfer Kit, the 4358023 Orifice Fitting is instrumental in ensuring that fuel is transferred at a controlled rate. This controlled transfer is essential for preventing fuel starvation or over-saturation, both of which can adversely affect engine performance. The fitting’s ability to fine-tune the flow rate contributes to a more reliable and consistent fuel delivery system.

Contribution to the Service Kit

As part of the Service Kit, the 4358023 Orifice Fitting is often included to enhance the maintenance and repair processes. Its presence in the kit allows for easy replacement or adjustment during servicing, ensuring that the engine maintains its efficiency over time. This proactive approach to maintenance can significantly extend the lifespan of the engine and reduce the likelihood of unexpected failures.

Conclusion

In summary, the 4358023 Orifice Fitting is a versatile component that enhances the functionality of various engine systems. Its precise control over fluid dynamics and pressure regulation makes it an invaluable part of the engine’s architecture.


  1. Huzij, R., Spano, A., & Bennett, S. (2019). Modern Diesel Technology: Heavy Equipment Systems. Cengage Learning.

  2. Reif, K. (Ed.). (2015). Gasoline Engine Management Systems and Components. Springer Vieweg.

  3. Reif, K. (Ed.). (2014). Diesel Engine Management Systems and Components. Springer Vieweg.

  4. Miedema, S. A., & Lu, Z. (2010). The Dynamic Behavior of a Diesel Engine. Published by Drir S. A. Miedema.

SPECIFICATIONS

Package Dimensions
3.0 x 0.75 x 0.75 in
Weight
0.35 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.