2873972
Belt tensioner Support
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$224.95 $267.69

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 Belt Tensioner Support, identified by part number 2873972, is a component manufactured by Cummins, a well-established name in the automotive and heavy-duty truck industry. This part is integral to the operation of heavy-duty trucks, ensuring the efficient functioning of various engine components through the maintenance of proper belt tension 1.

Basic Concepts of Belt Tensioner Support

A Belt Tensioner Support is a mechanical device designed to maintain the correct tension on the belts that drive various components within a truck’s engine system. It operates by automatically adjusting the tension on the belts as they stretch or wear over time, ensuring they remain taut enough to perform their functions effectively without slipping or causing undue wear on the components they drive 2.

Purpose of Belt Tensioner Support in Truck Operation

The Belt Tensioner Support plays a significant role in the efficient operation of a truck’s engine components. It ensures that belts driving the alternator, water pump, and air conditioning compressor, among others, maintain optimal tension. This is crucial for the reliable transfer of power from the engine to these components, ensuring they operate within their designed parameters and contribute to the overall efficiency and performance of the truck 3.

Key Features of Cummins Belt Tensioner Support

The Cummins Belt Tensioner Support is engineered with specific design and construction features that enhance its performance and durability. It is constructed from high-quality materials that can withstand the demanding conditions of heavy-duty truck operation. The design incorporates precise engineering specifications to ensure compatibility and efficient operation within the engine system. Unique attributes of this part may include advanced materials for increased durability, precise tension adjustment mechanisms, and a robust construction that ensures longevity under heavy-duty conditions.

Benefits of Using Cummins Belt Tensioner Support

Utilizing the Cummins Belt Tensioner Support offers several advantages. It contributes to improved engine efficiency by ensuring that belts operate at the correct tension, reducing the risk of slippage and the associated loss of power transfer efficiency. This part also helps in reducing wear on belts and driven components, leading to longer service intervals and lower maintenance costs. Furthermore, its design and construction enhance the reliability of the truck’s engine system, even under demanding operating conditions.

Troubleshooting and Maintenance Suggestions

To ensure the optimal performance and longevity of the Belt Tensioner Support, it is important to be aware of common issues and their solutions. Regular inspection for signs of wear or damage, such as cracks or excessive play in the tensioner mechanism, is recommended. Diagnostic procedures may include checking the tension of the belts and the operation of the tensioner itself. Maintenance practices should include cleaning the tensioner and its surrounding area to prevent the accumulation of dirt and debris, which can affect its operation. In cases where the tensioner shows signs of wear or failure, timely replacement is advised to prevent further damage to the engine components it supports.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality, innovation, and reliability in the automotive and heavy-duty truck industry. The company’s commitment to excellence is evident in its extensive product range, which is designed to meet the demanding requirements of various applications, ensuring optimal performance and durability.

Belt Tensioner Support Part 2873972 Compatibility with Cummins Engines

The Belt Tensioner Support part number 2873972, manufactured by Cummins, is designed to fit seamlessly with a range of Cummins engines. This part plays a role in maintaining the integrity and efficiency of the engine’s belt system, ensuring optimal performance and longevity.

Compatible Engines

  • QSZ13 CM2150 Z101
  • QSZ13 CM2150 Z102

These two engines, QSZ13 CM2150 Z101 and QSZ13 CM2150 Z102, are part of the same engine family and share many components, including the Belt Tensioner Support part 2873972. The design and specifications of this part are tailored to fit these engines precisely, ensuring a snug and secure installation.

  • Z13 Z108G

The Z13 Z108G engine is another model that is compatible with the Belt Tensioner Support part 2873972. This part is engineered to meet the specific requirements of this engine, providing reliable support and stability to the belt system.

Installation and Functionality

The Belt Tensioner Support part 2873972 is integral to the engine’s belt system, providing the necessary support to maintain the correct tension and alignment of the belts. This ensures that the engine operates smoothly and efficiently, reducing wear and tear on the belts and other related components.

Importance of Proper Fitment

Proper fitment of the Belt Tensioner Support is important for the overall performance and reliability of the engine. Any discrepancies in the fitment can lead to issues such as belt slippage, increased wear, and potential engine damage. Cummins ensures that the part 2873972 is designed to fit these engines perfectly, providing a reliable and durable solution for maintaining the belt system.

Role of Part 2873972 Belt Tensioner Support in Engine Systems

The part 2873972 Belt Tensioner Support is integral to the efficient operation of various engine components. It ensures that the belt tension is maintained at optimal levels, which is essential for the reliable performance of the engine’s accessory systems.

Interaction with Mounting Components

When integrated with the mounting system, the Belt Tensioner Support plays a role in securing the belt in place. The mounting brackets provide a stable foundation for the tensioner, allowing it to apply consistent pressure on the belt. This interaction ensures that the belt remains taut, reducing the risk of slippage and enhancing the durability of both the belt and the tensioner.

Coordination with Fan Drive

The Belt Tensioner Support also works in conjunction with the fan drive system. The fan drive, which is responsible for cooling the engine by driving the cooling fan, relies on a properly tensioned belt to operate efficiently. The tensioner support ensures that the belt maintains the necessary tension to drive the fan, even under varying engine loads and speeds. This coordination is vital for maintaining optimal engine temperature and preventing overheating.

Enhanced System Performance

By maintaining the correct belt tension, the Belt Tensioner Support contributes to the smooth operation of other engine-driven accessories such as the alternator, power steering pump, and air conditioning compressor. Consistent belt tension ensures these components receive the necessary power transfer, leading to improved overall engine performance and reliability.

Conclusion

The Belt Tensioner Support part number 2873972 by Cummins is a critical component in the maintenance and efficiency of heavy-duty truck engines. Its role in maintaining optimal belt tension ensures the reliable operation of various engine components, contributing to the overall performance and longevity of the engine system. Regular maintenance and proper fitment are essential to maximize the benefits of this Cummins part.


  1. Diesel Technology Fundamentals Service Repair Eighth Edition, Andrew Norman, The Goodheart-Willcox Company Inc, 2016

  2. Modern Diesel Technology Light Duty Diesels, Sean Bennett, Cengage Learning, 2012

  3. Automotive Fuels Reference Book, Paul Richards and Jim Barker, SAE International, 2023

SPECIFICATIONS

Package Dimensions
18.3 x 18.1 x 12.4 in
Weight
1.85 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.