5551142
Turbocharger
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$4,599.95 $5,473.94

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 Cummins 5551142 Turbocharger is a component designed to enhance the performance and efficiency of commercial trucks. Its role is to increase the engine’s power output and fuel efficiency by forcing additional air into the combustion chamber. This turbocharger is significant in the operation of commercial trucks as it allows for better performance under various driving conditions, contributing to the overall effectiveness and reliability of the vehicle 4.

Basic Concepts of Turbocharging

Turbochargers are devices that increase the power output of an internal combustion engine by compressing the intake air before it enters the combustion chamber. This process, known as forced induction, allows more air and, consequently, more fuel to be burned, resulting in increased power. Turbochargers utilize exhaust gases to spin a turbine, which in turn drives a compressor. The compressor increases the pressure and density of the air entering the engine, leading to more efficient combustion and enhanced performance 1.

Purpose and Role of the 5551142 Turbocharger

The Cummins 5551142 Turbocharger is specifically engineered to improve the performance and efficiency of truck engines. By increasing the amount of air that enters the engine, it allows for more fuel to be burned, resulting in greater power output. This turbocharger also plays a role in enhancing fuel efficiency by optimizing the air-fuel mixture, which leads to more complete combustion and reduced fuel consumption 2.

Key Features

The Cummins 5551142 Turbocharger boasts several key features that set it apart from other turbochargers. Its design incorporates high-quality materials that ensure durability and reliability under demanding conditions. The turbocharger features a robust housing, precision-machined compressor and turbine wheels, and advanced bearing systems that contribute to its performance and longevity. Additionally, it is engineered to operate efficiently across a wide range of engine speeds, providing consistent power and efficiency 3.

Benefits of Using the 5551142 Turbocharger

The advantages of using the Cummins 5551142 Turbocharger include improved engine power, increased fuel efficiency, and enhanced overall performance. By providing a greater volume of air to the engine, this turbocharger allows for more complete combustion, resulting in increased power output. It also contributes to better fuel economy by optimizing the air-fuel ratio, which reduces the amount of fuel needed for combustion. Furthermore, the enhanced performance and efficiency provided by this turbocharger can lead to improved drivability and reduced operating costs for commercial truck operators 4.

Installation and Integration

Installing the Cummins 5551142 Turbocharger requires careful consideration of the truck’s engine system to ensure proper integration. The installation process involves removing the existing turbocharger (if present), inspecting the engine for any damage or wear, and installing the new turbocharger with the appropriate gaskets and seals. It is important to follow the manufacturer’s guidelines for installation to ensure optimal performance and longevity. Additionally, the turbocharger may require specific tuning or adjustments to the engine’s fuel injection system to achieve the best results 1.

Performance and Efficiency

The Cummins 5551142 Turbocharger contributes to significant performance and efficiency gains in commercial trucks. In real-world applications, it provides increased power output and improved fuel efficiency, which can lead to reduced operating costs and enhanced drivability. The turbocharger’s ability to operate efficiently across a wide range of engine speeds ensures consistent performance under various driving conditions, making it a valuable component for commercial truck operators 2.

Troubleshooting and Maintenance

Common issues that may arise with the Cummins 5551142 Turbocharger include oil leaks, bearing wear, and compressor or turbine wheel damage. Regular maintenance, such as inspecting for leaks, checking oil levels, and monitoring turbocharger performance, can help identify and address potential problems before they become serious. Additionally, following the manufacturer’s recommended maintenance schedule and using high-quality lubricants can contribute to the turbocharger’s longevity and optimal performance 3.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a strong reputation in the industry for innovation and quality, Cummins has been committed to providing reliable and efficient solutions for various applications, including commercial trucks. The company’s turbochargers, such as the 5551142, are a testament to its dedication to advancing technology and improving the performance and efficiency of internal combustion engines 4.

Turbocharger 5551142 Compatibility with Cummins Engines

The turbocharger part number 5551142, manufactured by Cummins, is designed to enhance the performance of various Cummins engines. This turbocharger is engineered to fit seamlessly with the following Cummins engine models:

  • X15 CM2450
  • X134B

These engines benefit from the turbocharger’s ability to increase power output, improve fuel efficiency, and reduce emissions. The turbocharger’s design ensures compatibility with the specific airflow and pressure requirements of these engines, providing a reliable and efficient boost 1.

For the X15 CM2450 and X134B engines, the turbocharger 5551142 is engineered to integrate smoothly with the engine’s architecture, ensuring optimal performance and longevity. The fitment process involves precise alignment and secure mounting, which is crucial for maintaining the turbocharger’s efficiency and durability.

The turbocharger’s design also includes features that cater to the unique operational demands of these engines, ensuring that it can handle the specific stresses and conditions encountered during use. This compatibility is a testament to Cummins’ commitment to providing high-quality, reliable components that enhance engine performance 2.

Role of Part 5551142 Turbocharger in Engine Systems

The turbocharger, specifically part 5551142, is an integral component in modern engine systems, designed to enhance performance and efficiency. It operates by compressing the intake air before it enters the combustion chamber, thereby increasing the air density and allowing more fuel to be burned, which results in greater power output 3.

Integration with Engine Components

  1. Intake Manifold: The turbocharger is connected to the intake manifold via a series of hoses and pipes. The compressed air from the turbocharger is delivered to the intake manifold, where it mixes with fuel before entering the cylinders.

  2. Exhaust Manifold: On the exhaust side, the turbocharger is attached to the exhaust manifold. The exhaust gases exiting the engine spin the turbine within the turbocharger, which in turn drives the compressor wheel to compress the intake air.

  3. Intercooler: In many engine systems, an intercooler is placed between the turbocharger and the intake manifold. The intercooler cools the compressed air from the turbocharger, increasing its density further and improving engine efficiency.

  4. Wastegate: The wastegate is a valve that regulates the amount of exhaust gas flowing through the turbocharger. By controlling the exhaust gas flow, the wastegate helps maintain optimal boost pressure, preventing over-boosting which can damage engine components.

  5. ECU (Engine Control Unit): The ECU monitors various parameters such as boost pressure, air temperature, and engine load. It adjusts the wastegate and other components to ensure the turbocharger operates within safe limits while maximizing performance.

  6. Oil Supply Lines: The turbocharger requires a consistent supply of engine oil for lubrication. Oil supply lines connect the engine’s lubrication system to the turbocharger, ensuring its moving parts are properly lubricated and cooled.

  7. Air Filter: The air filter is located upstream of the turbocharger in the intake system. It ensures that the air entering the turbocharger is clean, preventing contaminants from damaging the compressor wheel and other internal components.

By understanding how part 5551142 turbocharger interacts with these components, engineers and mechanics can better diagnose issues, perform maintenance, and optimize engine performance 4.

Conclusion

The Cummins 5551142 Turbocharger is a vital component for enhancing the performance and efficiency of commercial truck engines. Its design and features contribute to increased power output, improved fuel efficiency, and reliable operation under various driving conditions. Proper installation, maintenance, and understanding of its integration with engine components are essential for maximizing the benefits of this turbocharger.


  1. David C Barton and John D Fieldhouse, Automotive Chassis Engineering Powertrain Chassis System and Vehicle Body, Elsevier, 2009.

  2. Deanna Sclar, Auto Repair for Dummies: 2nd Edition, For Dummies, 2008.

  3. Nicholas Goodnight and Kirk VanGelder, Automotive Braking Systems CDX Master Automotive Technician Series, Jones Bartlett Learning, 2019.

  4. R. Matthew Brach, SAE International’s Dictionary of Vehicle Accident Reconstruction and Automotive Safety, SAE International, 2023.

* 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.