4034168NX
Variable Geometry Turbocharger Actuator Kit
Cummins®

DISCONTINUED

Cummins®

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 4034168NX Variable Geometry Turbocharger Actuator Kit, manufactured by Cummins, is a component designed to enhance the performance of heavy-duty trucks. Cummins, a well-established name in the automotive industry, is known for its commitment to innovation and quality. This Cummins part is significant in the operation of heavy-duty trucks as it plays a role in optimizing the engine’s performance and efficiency.

Basic Concepts of Variable Geometry Turbocharger Actuator Kits

Variable Geometry Turbochargers (VGT) are designed to adjust the turbine’s geometry to optimize airflow and boost pressure across a wide range of engine speeds 1. The actuator kit is a critical component in this system, responsible for adjusting the position of the vanes within the turbocharger. This adjustment allows for precise control over the airflow, which in turn enhances engine performance and efficiency. The kit typically includes an actuator, linkage, and various sensors that work together to modulate the turbocharger’s operation.

Operational Role of the 4034168NX Actuator Kit

The 4034168NX Actuator Kit plays a specific role in the operation of a truck’s engine by controlling the variable geometry turbocharger. It adjusts the position of the vanes within the turbocharger, which modulates the airflow and boost pressure. This precise control contributes to improved engine performance, increased fuel efficiency, and reduced emissions 2. The kit ensures that the turbocharger operates at optimal efficiency across various engine speeds and loads.

Key Features

The 4034168NX Actuator Kit features a robust design that includes high-quality materials to ensure durability and reliability. It incorporates advanced sensors and an electronic control unit (ECU) that provide precise control over the turbocharger’s operation. The kit is engineered to withstand the harsh conditions typical of heavy-duty truck environments, ensuring long-term performance and reliability. Unique characteristics include its compatibility with specific Cummins engine models and its ability to integrate seamlessly with the engine’s electronic control system.

Benefits of Using the 4034168NX Actuator Kit

The advantages of using the 4034168NX Actuator Kit include improved engine performance, enhanced fuel efficiency, and reduced emissions. By optimizing the turbocharger’s operation, the kit allows the engine to operate more efficiently across a wider range of conditions. This results in better overall performance and lower fuel consumption. Additionally, the precise control over airflow and boost pressure contributes to reduced emissions, aligning with environmental regulations and standards.

Installation Process

Installing the 4034168NX Actuator Kit involves several steps to ensure proper integration with the engine system. Prerequisites include ensuring the engine is turned off and the turbocharger is cool to the touch. Tools required may include a socket set, torque wrench, and various hand tools. Safety considerations involve wearing appropriate personal protective equipment (PPE) and following all manufacturer guidelines to prevent injury or damage to the component. The installation process typically involves removing the old actuator, installing the new kit, and ensuring all connections are secure and properly torqued.

Troubleshooting Common Issues

Common problems associated with the 4034168NX Actuator Kit may include issues with the actuator’s movement, sensor malfunctions, or electronic control unit (ECU) errors. Potential causes can range from mechanical wear to electrical faults. Troubleshooting tips include checking for proper actuator movement, ensuring all sensors are functioning correctly, and verifying that the ECU is receiving accurate data. Solutions may involve recalibrating the system, replacing faulty sensors, or addressing any mechanical issues within the actuator itself.

Maintenance Recommendations

Regular maintenance of the 4034168NX Actuator Kit is important to ensure optimal performance and longevity. Guidelines include periodic inspection of the actuator and linkage for signs of wear or damage. Cleaning procedures involve ensuring that all sensors and electronic components are free from dirt and debris. Replacement schedules should be followed according to the manufacturer’s recommendations, typically based on hours of operation or specific maintenance intervals. Proper maintenance helps prevent issues and ensures the actuator kit continues to operate efficiently.

Cummins: A Brief 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 innovation, quality, and reliability in the automotive industry. The company offers a wide range of products, including engines for heavy-duty trucks, filtration systems, and power generation equipment. Cummins’ commitment to innovation is evident in its continuous development of advanced technologies that enhance performance, efficiency, and sustainability.

Conclusion

The 4034168NX Variable Geometry Turbocharger Actuator Kit is a vital component for enhancing the performance and efficiency of heavy-duty trucks. Its advanced design and precise control over turbocharger operation contribute to improved engine performance, increased fuel efficiency, and reduced emissions. Proper installation, maintenance, and troubleshooting are essential to ensure the longevity and optimal performance of this part. Cummins’ reputation for innovation and quality underscores the reliability and effectiveness of this actuator kit in demanding heavy-duty truck environments.


  1. Denton, T., & Pells, H. (2022). Automotive Technician Training, Second Edition. Routledge.

  2. Xin, Q. (2011). Diesel Engine System Design. Woodhead Publishing Limited.

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SPECIFICATIONS

Package Dimensions
8.25 x 8.25 x 8.25 in
Weight
4.486 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.