3688997
Molded Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$74.95 $89.19

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 3688997 Molded Hose is a component manufactured by Cummins, a well-established name in the commercial truck industry. This hose is designed for use in commercial trucks, where it plays a role in various fluid transfer systems. Understanding its function, construction, and benefits can help ensure optimal performance and longevity in truck operations.

Basic Concepts of Molded Hoses

Molded hoses are specialized components used in fluid transfer systems. They are constructed by molding synthetic rubber or other durable materials around a reinforced core, which may include textile or steel wire. This construction allows molded hoses to withstand high pressure and provide a reliable seal, making them suitable for transporting fluids such as coolant, fuel, and hydraulic fluid in automotive and heavy-duty applications 1.

Purpose of the 3688997 Molded Hose

The 3688997 Molded Hose is integral to the operation of commercial trucks. It connects various systems within the truck, facilitating the transfer of fluids necessary for the truck’s operation. Depending on its specific application, this hose may transport coolant to maintain engine temperature, fuel to the engine for combustion, or hydraulic fluid to operate various truck systems. Its role is to provide a durable and reliable conduit for these fluids, ensuring efficient and safe operation of the truck 2.

Key Features

The 3688997 Molded Hose incorporates several design elements and materials that enhance its performance and durability. It is constructed using high-quality synthetic rubber for the outer layer, which provides resistance to wear, abrasion, and environmental factors. The inner layer may include a reinforced core of textile or steel wire, offering additional strength and flexibility. These features allow the hose to withstand the high pressures and temperatures associated with fluid transfer in commercial trucks 3.

Benefits

The 3688997 Molded Hose offers several advantages. Its durable construction contributes to improved reliability, reducing the likelihood of leaks or failures. The hose’s resistance to wear and tear ensures a longer service life, even under demanding conditions. Additionally, its design allows for ease of installation, minimizing downtime during maintenance or repair procedures.

Installation Process

Installing the 3688997 Molded Hose requires careful attention to detail to ensure a secure and leak-free connection. The process involves disconnecting the old hose, cleaning the connection points, and attaching the new hose using appropriate clamps or fittings. Tools such as wrenches and hose cutters may be required. Following the manufacturer’s guidelines for torque specifications and connection procedures is important to ensure a proper installation.

Troubleshooting Common Issues

Common issues with molded hoses may include leaks, cracks, or blockages. Diagnosing these problems involves inspecting the hose for visible damage, checking connection points for proper sealing, and ensuring there are no obstructions in the fluid flow. Resolving these issues may require repairing or replacing the hose, depending on the severity of the problem.

Maintenance Tips

Regular maintenance of the 3688997 Molded Hose can help ensure its longevity and optimal performance. This includes periodic inspection for signs of wear or damage, cleaning the hose and connection points, and verifying that all connections are secure. Following the manufacturer’s recommended maintenance schedule can help prevent unexpected failures and extend the service life of the hose.

Safety Considerations

When working with the 3688997 Molded Hose, it is important to observe safety guidelines to prevent accidents and ensure safe operation. This includes wearing appropriate personal protective equipment, ensuring the truck is properly supported during maintenance procedures, and following all manufacturer recommendations for installation and maintenance. Being aware of the potential hazards associated with fluid transfer systems, such as high pressure and temperature, is also crucial for safe operation.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality and innovation in the commercial truck industry. The company offers a wide range of products and services designed to meet the needs of customers in various industries, including transportation, construction, and agriculture.

Cummins Molded Hose Part 3688997 Compatibility

The Cummins molded hose part number 3688997 is designed to fit seamlessly within the engine systems of the ISX15, CM2350, and X101 engines. This hose is engineered to meet the stringent requirements of these engines, ensuring optimal performance and reliability.

For the ISX15 engine, the molded hose part 3688997 is integral to the engine’s cooling system. It connects various components, facilitating the flow of coolant and maintaining the engine’s operational temperature.

In the CM2350 engine, this hose is crucial for the fuel delivery system. It ensures that fuel is efficiently transported from the fuel tank to the engine, supporting the engine’s combustion process.

The X101 engine also benefits from the molded hose part 3688997. In this engine, the hose is used in the exhaust system, helping to manage exhaust gases and maintain the engine’s efficiency.

Each of these engines, while distinct in their design and application, relies on the precision and durability of the molded hose part 3688997 to function correctly. This part is a testament to Cummins’ commitment to quality and compatibility across their engine lineup.

Role of Part 3688997 Molded Hose in Various Engine Systems

Part 3688997, a molded hose, is integral to the efficient operation of several engine systems. Its primary function is to facilitate the secure and reliable transfer of fluids or gases between different components. Here’s how it integrates with specific systems:

Air Compressor Kit

In an air compressor kit, the molded hose connects the compressor to the air storage tank and other components within the system. It ensures that compressed air is delivered efficiently without leaks, maintaining the system’s pressure integrity and performance.

Plumbing Systems

Within plumbing applications, the molded hose serves as a durable connection between various fixtures and components. It is designed to withstand the pressure and temperature variations typical in plumbing systems, ensuring consistent flow and reducing the risk of leaks.

Air Cleaner

When incorporated into an air cleaner system, the molded hose plays a role in directing clean air into the engine intake. It helps maintain the airflow’s purity by preventing contaminants from entering the system, thus supporting optimal engine performance.

Compressor Air Inlet

For the compressor air inlet, the molded hose is essential in drawing ambient air into the compressor. It must be robust enough to handle the varying pressures and temperatures, ensuring a steady supply of air for compression, which is vital for the compressor’s efficiency and longevity.

Conclusion

The 3688997 Molded Hose by Cummins is a critical component in the fluid transfer systems of commercial trucks. Its durable construction, ease of installation, and compatibility with various engine systems make it a reliable choice for maintaining the efficiency and safety of truck operations. Regular maintenance and adherence to safety guidelines are essential to maximize the lifespan and performance of this part.


  1. Schneider, Wolf-Henning. Pistons and Engine Testing. Springer Nature, 2016.

  2. Robinson, Alan, and Andrew Livesey. The Repair of Vehicle Bodies Fifth Edition. Elsevier, 2006.

  3. Cummins Inc. Owners Manual for GTA855GCE CMEICS N110C. Bulletin Number 6310309.

SPECIFICATIONS

Package Dimensions
4.625 x 1.625 x 4.375 in
Weight
0.304 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.