5321707
Turbocharger Kit
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$16,999.95 $20,229.94

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

The Cummins 5321707 Turbocharger Kit is designed to enhance the performance of commercial trucks by improving engine efficiency and power output. This part is part of Cummins Inc.’s lineup of aftermarket parts aimed at optimizing the performance of heavy-duty engines.

Basic Concepts of Turbocharger Kits

Turbocharger technology involves using exhaust gases to drive a turbine, which in turn compresses the intake air before it enters the engine. This process increases the density of the air, allowing more oxygen to enter the combustion chamber. The result is improved engine efficiency and increased power output. Turbochargers are beneficial in internal combustion engines as they allow for better fuel economy and enhanced performance without significantly increasing engine size 1.

Purpose of the Cummins 5321707 Turbocharger Kit

This Cummins part plays a role in the operation of a truck by optimizing the airflow into the engine. This optimization leads to improvements in engine efficiency and power output. The kit is designed to work seamlessly with specific Cummins engines, ensuring that the turbocharger operates within its optimal range under various driving conditions.

Key Features

The 5321707 includes several primary features that contribute to its effectiveness. These features include a robust design that ensures durability under high-stress conditions, the use of high-quality materials to withstand the rigors of commercial use, and technological advancements that enhance performance. The kit may also include components such as upgraded seals, improved bearings, and precision-machined parts to ensure optimal function.

Benefits of Using the Cummins 5321707 Turbocharger Kit

Installing this part offers several advantages. These include increased horsepower, which can lead to better acceleration and overall performance. Additionally, the kit contributes to better fuel efficiency by optimizing the air-fuel mixture. Enhanced engine performance is another benefit, as the turbocharger allows the engine to operate more efficiently under a variety of conditions 2.

Installation Process

The installation process for the 5321707 involves several steps. It is important to ensure that the engine is clean and free of debris before beginning. The old turbocharger, if present, should be removed following the manufacturer’s guidelines. The new kit should be installed according to the provided instructions, which may include torquing bolts to specific settings and ensuring all connections are secure. Tools needed may include wrenches, torque wrenches, and possibly specialized tools depending on the specific model.

Performance Enhancements

The 5321707 contributes to overall truck performance by providing more consistent power delivery across a wider range of engine speeds. Real-world applications have shown that trucks equipped with this kit experience improved drivability and reduced lag, making them more suitable for demanding tasks. Case studies have demonstrated that the kit can lead to measurable increases in both horsepower and torque, enhancing the truck’s capabilities 3.

Maintenance and Troubleshooting

Maintaining the 5321707 involves regular inspections and adherence to the manufacturer’s service intervals. Common issues that may arise include oil leaks, turbine imbalance, and seal failures. Troubleshooting steps may involve checking for proper oil levels, inspecting hoses and connections for wear, and ensuring that the turbocharger is securely mounted. Regular maintenance can help prevent many of these issues and ensure the longevity of the kit.

Compatibility and Application

The 5321707 is designed for specific types of engines and trucks. It is important to consult the manufacturer’s guidelines to ensure compatibility with your vehicle. Specific application notes may include requirements for engine modifications or the use of additional components to achieve optimal performance.

Cummins: A Brief Overview

Cummins Inc. is a well-established company with a long history in the commercial truck industry. Founded in 1919, Cummins has built a reputation for producing reliable and high-performance engines and components. The company’s commitment to innovation and quality has made it a trusted name in the industry, providing solutions that meet the demanding needs of commercial trucking.

Components of Cummins Turbocharger Kit 5321707

Turbocharger Gasket Kit (3575178)

The Turbocharger Gasket Kit, identified by the part number 3575178, is an essential component within the Cummins Turbocharger Kit 5321707. This kit includes a variety of gaskets specifically designed to seal the connections between the turbocharger and the engine. The gaskets are critical for maintaining the integrity of the pressurized air system, preventing leaks that could reduce efficiency and performance. The inclusion of two gasket kits ensures that there are sufficient gaskets for a complete installation or to accommodate potential replacements during maintenance.

Turbocharger (3798613)

The Turbocharger, denoted by the part number 3798613, is the core component of the Cummins Turbocharger Kit 5321707. This turbocharger is responsible for compressing the intake air, which is then forced into the engine’s combustion chambers. The increased air volume allows for more fuel to be burned, resulting in enhanced power output and improved engine performance. The presence of two turbochargers in the kit suggests that the kit is designed for applications requiring either a dual turbocharger setup or to provide a spare unit for redundancy and reliability in critical applications.

Conclusion

The Cummins 5321707 Turbocharger Kit offers significant enhancements to the performance and efficiency of commercial trucks. By optimizing airflow and increasing engine power, this kit provides a valuable upgrade for heavy-duty engines. Proper installation, regular maintenance, and adherence to compatibility guidelines are essential for maximizing the benefits of this turbocharger kit.


  1. Robinson, A., & Livesey, A. (2006). The Repair of Vehicle Bodies Fifth Edition. Elsevier.

  2. Minaker, B. P. (2019). Fundamentals of Vehicle Dynamics and Modelling. John Wiley & Sons.

  3. Lakshminarayanan, P. A., & Aghav, Y. V. (2010). Modelling Diesel Combustion. Springer Science.

SPECIFICATIONS

Weight
56 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.