3798338RX
Incomplete Turbocharger Kit
Cummins®

AVAILABLE

Cummins®

More than 10 are currently available

Ships within 2-4 business days

$5,199.95 $6,187.94
Refundable Core Charge: $769.95

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 3798338RX Incomplete Turbocharger Kit is a product manufactured by Cummins, a well-established name in the commercial truck industry. This kit is designed for use in commercial trucks, aiming to enhance engine performance and efficiency. Cummins is renowned for its robust and reliable engine components, and the 3798338RX kit is no exception, offering a solution for truck operators looking to optimize their vehicle’s performance.

Basic Concepts of Turbocharging

Turbocharging is a technology that increases an engine’s power output by forcing extra air into the combustion chamber. This process, known as forced induction, allows more fuel to be burned, resulting in increased power without a corresponding increase in engine size. Turbochargers achieve this by using exhaust gases to spin a turbine, which in turn drives a compressor that increases the air pressure entering the engine 1.

Purpose of the 3798338RX Incomplete Turbocharger Kit

This Cummins part plays a role in the operation of a truck by enhancing engine efficiency and power output. It is designed to be integrated into the truck’s engine system, where it contributes to improved airflow and combustion efficiency. This results in a more powerful and efficient engine, capable of delivering better performance under various driving conditions 2.

Key Features

The 3798338RX Incomplete Turbocharger Kit is characterized by its durable design and the use of high-quality materials. It incorporates advanced technological aspects that ensure compatibility and efficiency with Cummins engines. The kit’s design focuses on maximizing airflow and minimizing turbo lag, which is the delay between pressing the accelerator and the turbocharger spooling up to increase power.

Benefits of Using the 3798338RX Incomplete Turbocharger Kit

Utilizing this part offers several advantages. It contributes to improved engine performance, allowing for greater power and torque. Additionally, it can lead to increased fuel efficiency, making it a cost-effective solution for fleet operators. The kit’s design also aims to reduce maintenance costs over time, providing long-term value to users.

Installation Considerations

When installing the 3798338RX Incomplete Turbocharger Kit, it is important to follow the manufacturer’s guidelines to ensure proper integration with the truck’s engine system. This process may require specific tools and knowledge of the engine’s layout. Ensuring that all components are correctly installed and secured is vital for the kit to function as intended and to avoid potential issues down the line.

Troubleshooting Common Issues

Common problems that may arise with the 3798338RX Incomplete Turbocharger Kit include issues related to air leaks, turbo lag, or inefficient combustion. Diagnostic steps may involve checking for proper installation, ensuring all connections are secure, and verifying that the turbocharger is functioning within its designed parameters. Solutions may range from simple adjustments to more complex repairs, depending on the issue identified.

Maintenance Tips

Regular maintenance practices are recommended to ensure the longevity and optimal performance of the 3798338RX Incomplete Turbocharger Kit. This includes routine checks for air leaks, ensuring the turbocharger is clean and free from debris, and monitoring the engine’s performance for any signs of inefficiency. Adhering to the manufacturer’s maintenance schedule can help prevent issues and extend the life of the turbocharger.

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 strong reputation in the commercial truck industry for producing reliable and high-performance engine components. The company’s product range includes a variety of engines and parts designed to meet the demanding requirements of commercial and industrial applications.

Components of the 3798338RX Incomplete Turbocharger Kit

Compressor Wheel

The compressor wheel is a critical component within the turbocharger kit. It is responsible for compressing the intake air, which increases its density and allows more oxygen to enter the engine’s combustion chamber. This results in improved engine performance and efficiency.

Turbine Wheel

The turbine wheel is driven by the exhaust gases exiting the engine. As the exhaust gases flow over the turbine wheel, they cause it to spin at high speeds. This spinning motion is transferred to the compressor wheel via the shaft, enabling the compressor to function effectively.

Center Housing

The center housing, often referred to as the cartridge, houses both the compressor and turbine wheels. It is designed to withstand high temperatures and pressures, ensuring the efficient operation of the turbocharger. The center housing also contains the bearings that allow the shaft to rotate smoothly.

Bearings

Bearings are essential for the smooth operation of the turbocharger. They support the shaft and reduce friction as it rotates at high speeds. Proper lubrication of the bearings is crucial to prevent wear and ensure longevity of the turbocharger.

Shaft

The shaft connects the turbine wheel to the compressor wheel. It transmits the rotational energy from the turbine to the compressor, allowing the compressor to spin and compress the intake air. The shaft must be robust to handle the high speeds and forces involved in turbocharging.

Seals

Seals are used to prevent leaks of oil and air within the turbocharger. They ensure that the turbocharger operates efficiently by maintaining the integrity of the pressurized air and oil systems. Proper sealing is vital to prevent performance issues and potential damage to the turbocharger.

Oil Feed Line

The oil feed line supplies lubrication to the turbocharger’s bearings and other moving parts. Adequate lubrication is critical to reduce friction and wear, ensuring the turbocharger operates smoothly and has a longer service life.

Wastegate Actuator

The wastegate actuator is part of the wastegate system, which helps control the turbocharger’s boost pressure. By regulating the flow of exhaust gases bypassing the turbine, the wastegate actuator ensures that the turbocharger operates within safe pressure limits, protecting the engine from over-boosting.

Boost Sensor

The boost sensor monitors the pressure of the air being delivered to the engine. It provides feedback to the engine control unit (ECU), allowing it to adjust the fuel delivery and timing for optimal performance and efficiency. Accurate boost pressure readings are essential for the proper functioning of the turbocharged engine.

Intercooler Piping

Intercooler piping is used to connect the turbocharger to the intercooler, which cools the compressed air before it enters the engine. Efficient intercooler piping ensures that the air remains cool, dense, and free of turbulence, contributing to better engine performance and fuel efficiency.

Conclusion

The 3798338RX Incomplete Turbocharger Kit is a comprehensive solution for enhancing the performance and efficiency of commercial truck engines. By understanding the basic concepts of turbocharging, the purpose and key features of this part, and following proper installation, troubleshooting, and maintenance practices, operators can ensure optimal performance and longevity of their vehicles. Cummins’ reputation for reliability and high-performance engine components further underscores the value of this turbocharger kit in the commercial truck industry.


  1. Reif, Konrad Ed. Brakes Brake Control and Driver Assistance Systems Function Regulation and Components. Springer, 2014.

  2. Hilgers, Michael. The Diesel Engine Second Edition. Springer Nature, 2023.

RELATED PARTS

SPECIFICATIONS

Package Dimensions
15.25 x 15.5 x 16.75 in
Weight
49 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.