5317208
Tensioner Belt
Cummins®

The Cummins 5317208 Tensioner Belt is a component designed for use in commercial trucks. It serves a significant role in ensuring the proper operation of the vehicle’s engine system. This tensioner belt is integral to maintaining the correct tension on the belts that drive various engine accessories, which is vital for the efficient and reliable performance of the truck.

Basic Concepts of Tensioner Belts

A tensioner belt operates within an engine system to maintain the appropriate tension on the belts that connect the engine to its accessories. This tension is crucial for the efficient transfer of power from the engine to components such as the alternator, water pump, and air conditioning compressor. By keeping the belts properly tensioned, the tensioner belt helps prevent slippage, reduces wear on both the belts and the accessories they drive, and contributes to the overall reliability of the engine system ¹.

Purpose of the 5317208 Tensioner Belt

This Cummins part plays a role in the engine’s accessory drive system by ensuring that the belts remain under the correct amount of tension. This is important for the consistent and efficient operation of engine accessories. Proper tensioning helps in minimizing belt wear, reducing the risk of belt failure, and ensuring that accessories receive the necessary power to function correctly ².

Key Features

The 5317208 is characterized by its robust design and the quality materials used in its construction. It is engineered to withstand the demanding conditions found in commercial truck engines. Features such as its durable construction, precise fit, and the use of high-quality materials contribute to its performance and longevity. These characteristics ensure that the tensioner belt can maintain optimal belt tension under various operating conditions ³.

Benefits of Using the 5317208 Tensioner Belt

Utilizing this tensioner belt offers several advantages. It contributes to improved engine efficiency by ensuring that the belts driving engine accessories are properly tensioned. This reduces the likelihood of belt slippage and wear on both the belts and the accessories. Additionally, the reliable performance of the tensioner belt enhances the overall reliability of the truck’s engine system, leading to potentially lower maintenance costs and increased uptime.

Installation and Compatibility

Proper installation of the 5317208 is important for its effective operation. Installation guidelines should be followed to ensure that the belt is correctly positioned and tensioned. Specific requirements or considerations may vary depending on the truck model, so it is important to consult the vehicle’s maintenance manual or Cummins’ installation guidelines for detailed instructions.

Maintenance and Troubleshooting

Regular maintenance of the 5317208 is important for ensuring its optimal performance. This includes periodic inspections to check for signs of wear, proper tension, and any potential issues. Common troubleshooting techniques for addressing problems such as belt slippage or unusual noises may involve adjusting the tension or replacing worn components.

Common Issues and Solutions

Tensioner belts, including the 5317208, may encounter issues such as slippage or noise over time. Slippage can often be addressed by adjusting the tension or replacing the belt if it is worn. Noise may indicate a problem with the tensioner itself or the belts it is tensioning. Identifying the source of the noise and addressing it promptly can help prevent further damage and ensure the continued reliable operation of the engine system.

Manufacturer Information - Cummins

Cummins Inc. is a well-established manufacturer in the commercial truck industry, known for its wide range of diesel engines and related components. The company has a history of innovation and quality, providing products that are designed to meet the demanding requirements of commercial trucking. Cummins’ reputation for reliability and performance makes its components, including the 5317208 Tensioner Belt, a popular choice among truck operators and maintenance professionals.

Compatibility of Cummins Part 5317208 Tensioner Belt with Various Engines

The 5317208 is designed to fit a range of engines, ensuring proper tension and alignment of the engine’s serpentine belt. This part is compatible with the following engines:

• F3.8 CM2350 F137B
• F3.8 CM2620 F137B
• F4.5 CM2620 F139B

These engines share similar design characteristics and belt routing systems, making the 5317208 a suitable fit for all listed models. The belt tensioner is crucial for maintaining the correct tension on the serpentine belt, which drives various engine accessories such as the alternator, water pump, and air conditioning compressor.

Additionally, the 5317208 is also compatible with the following engines:

• ISF3.8 CM2220 AN
• ISF3.8 CM2220 F103
• ISF3.8 CM2350 F109
• ISF4.5 CM2220 F123

These engines, while differing in some specifications, also share a similar belt routing system that allows for the use of the same tensioner belt. Ensuring the correct tensioner belt is used is vital for maintaining the longevity and efficiency of the engine’s accessories.

Conclusion

The Cummins 5317208 Tensioner Belt is a critical component for the efficient and reliable operation of commercial truck engines. Its robust design, compatibility with various engine models, and the benefits it offers in terms of engine efficiency and reliability make it a valuable part for truck operators and maintenance professionals. Regular maintenance and proper installation are key to maximizing the performance and longevity of this tensioner belt.