2896761
Accessory Drive Support
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$6,799.95 $8,091.94

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 Accessory Drive Support, part number 2896761, is a component designed by Cummins to enhance the operation of commercial trucks. This part plays a role in supporting various engine accessories, ensuring they function efficiently within the engine system. Cummins, a well-established manufacturer in the commercial truck industry, is known for its commitment to quality and innovation. This overview provides insight into the Accessory Drive Support, its purpose, and its integration into the engine system of commercial trucks.

Basic Concepts of Accessory Drive Support

An Accessory Drive Support serves as a structural component within the engine system, designed to hold and align various engine accessories such as alternators, power steering pumps, and air conditioning compressors. It facilitates the transfer of power from the engine to these accessories via belts or chains, ensuring they operate smoothly and efficiently. The Accessory Drive Support interacts with other engine components to maintain the proper alignment and tension of the drive belts, which is vital for the accessories’ performance 1.

Purpose of the Accessory Drive Support

The Accessory Drive Support is specifically engineered to support and align engine accessories in commercial trucks. By providing a stable platform for these accessories, it ensures they receive the necessary power and operate within the designed parameters. This support contributes to the overall engine performance by maintaining the efficiency and reliability of the accessories, which are integral to the truck’s operation 2.

Key Features

The Accessory Drive Support boasts several key features that enhance its functionality. It is constructed from high-strength materials to withstand the rigors of commercial truck operation. The design incorporates precise mounting points and alignment features to ensure accessories are correctly positioned. Additionally, the support is engineered to minimize vibrations and noise, contributing to a smoother engine operation 3.

Benefits

Utilizing the Accessory Drive Support offers several benefits. It contributes to improved engine efficiency by ensuring accessories operate within their optimal parameters. The durable construction enhances the reliability of the engine system, reducing the likelihood of accessory failure. Furthermore, the support’s design helps in maintaining the longevity of the drive belts and accessories, leading to reduced maintenance costs and downtime 4.

Installation Process

Installing the Accessory Drive Support involves several steps to ensure proper integration into the engine system. The process begins with preparing the engine compartment, ensuring all necessary tools and replacement parts are on hand. The existing support, if present, is removed, and the new support is positioned according to the manufacturer’s guidelines. It is crucial to align the support correctly to ensure accessories are properly mounted. Once in place, the support is secured using the specified fasteners, and the drive belts are reattached and tensioned according to the manufacturer’s recommendations.

Troubleshooting and Maintenance

Common issues with the Accessory Drive Support may include misalignment of accessories, wear on the support structure, or damage to the mounting points. Troubleshooting these issues involves inspecting the support for signs of wear or damage, ensuring accessories are correctly aligned, and checking the tension of the drive belts. Regular maintenance, such as inspecting for wear and ensuring proper alignment, can help prevent issues and ensure the longevity and optimal performance of the component.

Cummins: A Brief Overview

Cummins is a renowned manufacturer in the commercial truck industry, with a history of innovation and quality. The company’s reputation is built on its commitment to developing reliable and efficient engine components. Cummins’ role in the industry is significant, providing solutions that enhance the performance and efficiency of commercial trucks. Their dedication to quality and innovation is evident in their product line, including the Accessory Drive Support.

Accessory Drive Support (Part 2896761) Compatibility with Cummins Engines

The Accessory Drive Support, identified by part number 2896761, is a critical component in the engine assembly, ensuring the proper alignment and operation of various engine accessories. This part is specifically designed to fit seamlessly with several Cummins engine models, including the QSK19 CM2350 K105 and QSK19 CM2350 K114.

QSK19 CM2350 K105 and QSK19 CM2350 K114

Both the QSK19 CM2350 K105 and QSK19 CM2350 K114 engines are part of Cummins’ QSK19 series, which is known for its robust performance and reliability in heavy-duty applications. The Accessory Drive Support is engineered to integrate with these engines, providing a stable platform for the engine’s accessory drive system. This includes components such as the alternator, water pump, and power steering pump, which are essential for the engine’s operation and the vehicle’s overall functionality.

The design of the Accessory Drive Support ensures that it can withstand the high stresses and vibrations typical of heavy-duty engines. Its precise fit and robust construction contribute to the longevity and efficiency of the engine’s accessory drive system, reducing the likelihood of misalignment and wear. This part is crucial for maintaining the proper operation of the engine’s accessories, which in turn affects the engine’s performance and reliability.

By ensuring that the Accessory Drive Support is correctly installed and maintained, operators can expect improved engine longevity and reduced downtime due to accessory-related issues. This part’s compatibility with the QSK19 CM2350 K105 and QSK19 CM2350 K114 engines underscores Cummins’ commitment to providing high-quality, reliable components for their engine lineup.

Role of Accessory Drive Support in Engine Systems

The Accessory Drive Support, identified as part 2896761, is integral to the efficient operation of various engine components. It serves as a mounting platform that secures and aligns accessories driven by the engine’s crankshaft.

Integration with the Drive System

In the drive system, the Accessory Drive Support ensures that components such as the alternator, power steering pump, and air conditioning compressor are properly positioned and operate in harmony with the engine’s rotation. This support structure allows for the precise alignment of belts or chains that transfer power from the crankshaft to these accessories, ensuring smooth and reliable operation.

Interaction with the Fuel Pump

While the fuel pump is typically driven electrically rather than mechanically, the Accessory Drive Support indirectly influences its operation by maintaining the overall mechanical integrity of the engine. A well-supported and aligned drive system ensures that the engine runs smoothly, which is essential for consistent fuel delivery. The stable operation of the engine, facilitated by the Accessory Drive Support, contributes to the fuel pump’s ability to deliver fuel at the required pressure and volume, thereby supporting optimal engine performance.

Conclusion

The Accessory Drive Support, part number 2896761, is a vital component in the engine systems of commercial trucks, particularly those equipped with Cummins engines. Its role in supporting and aligning engine accessories ensures the efficient and reliable operation of these components, contributing to the overall performance and longevity of the engine. By understanding the key features, benefits, and installation process of this part, operators can ensure optimal engine performance and reduce maintenance costs.


  1. Genta, G., & Morello, L. (2019). The Automotive Chassis Volume 1 Components Design Mechanical Engineering Series 2nd Edition. Springer.

  2. Hilgers, M. (2023). Entire Vehicle: Second Edition. Springer Nature.

  3. Martyr, A.J. (2007). Engine Testing: Theory and Practice: Third Edition. SAE International.

  4. Sully, F. K. (1998). Motor Vehicle Mechanics Textbook, Fifth Edition. Heinemann Professional Publishing.

SPECIFICATIONS

Package Dimensions
15.75 x 9.25 x 12.63 in
Weight
30.3 lb

BILL OF MATERIALS

Name Quantity Part Number
Groove Pin
Filter Screen
Accessory Drive Gear
* 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.