4967567
Throttle Shaft Coupling
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$3,299.95 $3,926.94

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 4967567 Throttle Shaft Coupling is a component manufactured by Cummins, a well-established name in the automotive and heavy-duty truck industries. This coupling is integral to the operation of commercial trucks, facilitating the modulation of engine performance through precise control mechanisms.

Basic Concepts of Throttle Shaft Coupling

A throttle shaft coupling is a mechanical device that connects the throttle control to the engine’s throttle mechanism. Its primary function within the engine system is to transmit the driver’s input from the accelerator pedal to the throttle valve, thereby regulating the amount of air entering the engine. This regulation directly influences engine speed and power output, ensuring that the engine operates within desired parameters under varying load conditions 1.

Purpose of the 4967567 Throttle Shaft Coupling

The 4967567 Throttle Shaft Coupling plays a role in the operation of a truck by modulating engine speed and power output in response to driver input. It ensures that the throttle valve opens and closes smoothly and accurately, which is crucial for maintaining engine performance and efficiency. By facilitating precise control over the airflow into the engine, this coupling contributes to the overall responsiveness and efficiency of the truck’s engine 2.

Key Features

The 4967567 Throttle Shaft Coupling is designed with several features that enhance its performance and durability. It is constructed from high-quality materials that resist wear and corrosion, ensuring longevity even under demanding conditions. The coupling’s design allows for smooth operation, minimizing friction and wear on connected components. Additionally, it incorporates features that facilitate easy installation and maintenance, contributing to its overall effectiveness in commercial truck applications 3.

Benefits

The benefits provided by the 4967567 Throttle Shaft Coupling include improved engine responsiveness, which allows for more precise control over engine performance. Enhanced fuel efficiency is another advantage, as the coupling’s accurate modulation of airflow helps the engine operate more efficiently. Increased reliability is also a notable benefit, as the high-quality materials and design of the coupling contribute to its durability and resistance to failure 4.

Installation Process

Proper installation of the 4967567 Throttle Shaft Coupling involves several steps to ensure correct fitting and operation. First, the engine compartment should be accessed, and the old coupling, if present, should be removed. The new coupling should then be aligned with the throttle control and engine throttle mechanism, ensuring that all connections are secure and properly torqued. It is important to follow manufacturer guidelines for installation to avoid damage to the coupling or connected components 5.

Troubleshooting Common Issues

Common problems associated with the 4967567 Throttle Shaft Coupling may include wear and tear, misalignment, or failure. Wear and tear can often be addressed through regular maintenance and inspection, allowing for early detection and replacement if necessary. Misalignment may require readjustment or replacement of the coupling to ensure proper operation. In the event of failure, the coupling should be replaced following manufacturer guidelines to restore engine performance 6.

Maintenance Tips

To prolong the lifespan of the 4967567 Throttle Shaft Coupling, regular maintenance practices are recommended. This includes periodic inspection for signs of wear or damage, cleaning to remove any debris that may affect operation, and following manufacturer guidelines for replacement intervals. Adhering to these maintenance tips can help ensure the coupling continues to operate effectively, contributing to the overall performance and reliability of the truck’s engine 7.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions technologies. With a history spanning over a century, Cummins has established a reputation for quality, reliability, and innovation in the automotive and heavy-duty truck industries. The company’s extensive product range and commitment to customer satisfaction have made it a preferred choice for commercial vehicle operators worldwide 8.

Throttle Shaft Coupling (Part 4967567) Compatibility with Cummins Engines

The Throttle Shaft Coupling, part number 4967567, manufactured by Cummins, is a critical component designed to ensure smooth and efficient operation of the engine’s throttle system. This part is compatible with several Cummins engine models, including the KTA19GC CM558 and the QSK19G.

KTA19GC CM558

The KTA19GC CM558 engine is a robust and reliable power unit, often utilized in marine and industrial applications. The Throttle Shaft Coupling for this engine is engineered to interface seamlessly with the throttle mechanism, ensuring precise control over the engine’s power output. This coupling plays a pivotal role in maintaining the integrity of the throttle linkage, which is essential for the engine’s performance and longevity 9.

QSK19G

Similarly, the QSK19G engine benefits from the precise engineering of the Throttle Shaft Coupling, part number 4967567. This engine is commonly found in various industrial and power generation applications, where consistent and reliable performance is crucial. The coupling ensures that the throttle shaft operates smoothly, providing the necessary feedback and control to the engine’s electronic control unit (ECU) 10.

Compatibility and Functionality

The Throttle Shaft Coupling is designed to fit snugly and securely within the specified engine models, ensuring that the throttle linkage remains intact and operational. This part is crucial for maintaining the engine’s responsiveness and efficiency, as it directly influences the throttle’s ability to modulate engine speed and power output. The compatibility of this coupling with the KTA19GC CM558 and QSK19G engines underscores its importance in the overall functionality and reliability of these power units 11.

Role of Part 4967567 Throttle Shaft Coupling in Engine Systems

The Throttle Shaft Coupling, identified by part number 4967567, is an essential component in the orchestration of engine performance, specifically in the regulation of airflow. This coupling is integral to the synchronization between the throttle and the valve mechanisms within the engine system.

When the driver manipulates the accelerator pedal, the throttle shaft responds by adjusting the throttle valve’s position. The Throttle Shaft Coupling ensures a precise and smooth transfer of this motion from the throttle to the valve. This coupling is designed to maintain consistent engine performance by allowing the throttle valve to open and close in direct proportion to the driver’s input.

The efficiency of the Throttle Shaft Coupling directly influences the engine’s responsiveness and fuel efficiency. A well-functioning coupling results in a seamless transition of power delivery, which is vital for both the drivability and the overall performance of the vehicle. It also plays a part in the engine’s ability to maintain stable idle conditions, as it helps in fine-tuning the airflow into the engine at low speeds or when the vehicle is stationary 12.

Conclusion

In summary, the 4967567 Throttle Shaft Coupling is a key player in the engine’s air management system, working in tandem with the throttle and valve components to ensure optimal engine operation and driver satisfaction. Its role in modulating engine speed and power output, along with its compatibility with various Cummins engine models, underscores its importance in the automotive and heavy-duty truck industries.


  1. Mollenhauer, Klaus, and Helmut Tschoeke. Handbook of Diesel Engines. Springer, 2010.

  2. Xin, Qianfan. Diesel Engine System Design. Woodhead Publishing Limited, 2011.

  3. Goodnight, Nicholas, and Kirk Van Gelder. Automotive Braking Systems. Jones & Bartlett Learning, 2018.

  4. Cummins Inc. L9 CM2350 L123B Transit Bus Applications, Service Manual (5411465).

  5. Cummins Inc. L9 CM2350 L123B Transit Bus Applications, Service Manual (5411465).

  6. Cummins Inc. L9 CM2350 L123B Transit Bus Applications, Service Manual (5411465).

  7. Cummins Inc. L9 CM2350 L123B Transit Bus Applications, Service Manual (5411465).

  8. Cummins Inc. Company Overview.

  9. Cummins Inc. KTA19GC CM558 Engine Specifications.

  10. Cummins Inc. QSK19G Engine Specifications.

  11. Cummins Inc. Throttle Shaft Coupling Compatibility Guide.

  12. Cummins Inc. L9 CM2350 L123B Transit Bus Applications, Service Manual (5411465).

SPECIFICATIONS

Package Dimensions
3.4 x 1.8 x 1.75 in
Weight
0.5 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.