208156
V Belt
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$44.95 $53.49

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 208156 V Belt is a component designed for use in commercial trucks, playing a significant role in their operation. This belt is integral to the mechanical systems of trucks, facilitating the transfer of power from the engine to various ancillary components. To understand its function, it is important to first grasp the basic concepts of V belts and their role in mechanical systems.

Basic Concepts of V Belts

V belts are a type of belt drive that transmits power between two or more pulleys. They are characterized by their trapezoidal cross-section, which allows them to fit snugly into matching grooves on pulleys, enhancing grip and reducing slippage. This design enables efficient power transmission in various mechanical systems. V belts differ from flat belts and timing belts in their construction and application. Unlike flat belts, which have a rectangular cross-section and are prone to slippage, V belts provide a more secure fit. Timing belts, on the other hand, are toothed and used primarily in applications requiring precise timing, such as camshafts in engines 1.

Purpose of the Cummins 208156 V Belt

The Cummins 208156 V Belt serves a vital function in the operation of commercial trucks. It is responsible for driving ancillary components such as alternators, water pumps, and air conditioning compressors. By connecting these components to the engine, the V belt ensures they receive the necessary power to function. This, in turn, supports the truck’s overall performance and efficiency, as these components play roles in electrical power generation, engine cooling, and climate control.

Key Features

The Cummins 208156 V Belt is constructed with high-quality materials and designed to meet specific performance criteria. Its construction includes durable rubber compounds and textile cords, which provide strength and flexibility. The belt’s design specifications ensure it can withstand the rigors of commercial truck operation, including high temperatures and dynamic loads. Unique characteristics such as its trapezoidal cross-section and reinforced edges enhance its performance and durability.

Benefits

Using the Cummins 208156 V Belt offers several benefits. Its efficient power transmission capabilities contribute to improved truck performance and fuel efficiency. The belt’s reliable construction ensures consistent operation, reducing the likelihood of unexpected failures. Additionally, its durability means it can withstand the demanding conditions of commercial truck use, leading to longer service intervals and reduced maintenance costs.

Installation and Compatibility

Proper installation of the Cummins 208156 V Belt is important for ensuring optimal performance and longevity. Guidelines for installation include proper tensioning to prevent slippage and ensuring the belt is correctly aligned with the pulleys. Compatibility with various truck models and engine types is also a consideration, as the belt must be suited to the specific application to ensure efficient operation.

Troubleshooting and Maintenance

Common issues with V belts include slippage, cracking, and fraying. Troubleshooting these issues involves checking the belt for signs of wear, ensuring proper tension, and verifying alignment. Regular maintenance, such as periodic inspection and replacement when signs of wear are detected, is important for ensuring the longevity and optimal performance of the Cummins 208156 V Belt.

Cummins Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its commitment to quality and innovation. With a history of producing reliable and high-performance components, Cummins has established a strong reputation among truck operators and maintenance professionals. The company’s dedication to excellence is evident in its product range, which includes a variety of engines, filtration systems, and aftermarket parts designed to meet the demanding needs of commercial trucking.

Understanding the Role of Part 208156 V Belt in Engine Systems

The V Belt, specifically part 208156, is an essential component in the operation of various engine systems. Its primary function is to transmit power from the engine to auxiliary components, ensuring they operate efficiently and in sync with the engine’s performance.

Power Transmission to the Alternator

One of the key roles of the V Belt is to drive the alternator. The alternator is responsible for generating electrical power to charge the battery and supply electricity to the vehicle’s electrical systems while the engine is running. The V Belt connects the engine’s crankshaft to the alternator’s pulley, allowing the alternator to spin and produce electricity. This connection is vital for maintaining the vehicle’s electrical systems, including lights, ignition, and various electronic components.

Ensuring Proper Functioning of the Alternator

The V Belt’s engagement with the alternator’s Vee ensures that the alternator operates at the correct speed and efficiency. The Vee design of the alternator pulley is specifically matched to the V Belt’s profile, allowing for optimal power transfer and minimal slippage. This precise fit is essential for the alternator to generate a consistent electrical output, which is necessary for the reliable operation of the vehicle’s electrical systems.

Integration with the Mounting Alternator System

The V Belt also plays a significant role in the mounting alternator system. The alternator is typically mounted on brackets or supports that are designed to accommodate the V Belt’s path. The tension of the V Belt is adjusted to ensure that it remains in the correct position on the alternator’s pulley, which is crucial for the alternator’s stable operation. Proper tensioning of the V Belt prevents it from slipping off the pulley or causing excessive wear on the alternator and other components.

Supporting Auxiliary Components

Beyond the alternator, the V Belt may also be responsible for driving other auxiliary components such as the water pump, air conditioning compressor, and power steering pump. Each of these components relies on the V Belt to transfer power from the engine, enabling them to function correctly. The V Belt’s durability and flexibility are essential for withstanding the varying loads and speeds these components demand.

Conclusion

In summary, part 208156 V Belt is a fundamental component in the engine system, facilitating the efficient transfer of power to critical auxiliary components. Its role in driving the alternator, ensuring proper alternator function, integrating with the mounting alternator system, and supporting other auxiliary components underscores its importance in maintaining the overall performance and reliability of the engine.


  1. Quigley, Jon M. SAE International’s Dictionary of Testing, Verification and Validation. SAE International, 2023.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
14.5 x 14.5 x 0.375 in
Weight
0.15 lb
* 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.