170049
Elbow Hose
Cummins®

Introduction

The Elbow Hose 170049 is a component manufactured by Cummins, a well-established name in the commercial truck industry. This hose is specifically designed for use in commercial trucks, where it serves a vital function within the vehicle’s system. Its primary role is to facilitate the transfer of fluids, such as coolant or fuel, through the truck’s engine and other systems, ensuring smooth and efficient operation.

Basic Concepts of Elbow Hoses

An elbow hose is a type of hose that features a bend, allowing it to navigate around obstacles within a fluid system. This design is particularly useful in the confined spaces found within vehicle engines and other machinery. Elbow hoses are commonly used in various fluid systems, including those for coolant, fuel, and hydraulic fluids. They are typically made from materials such as rubber, silicone, or reinforced synthetic materials, chosen for their flexibility, durability, and resistance to the specific fluids they will carry ¹.

Role of the 170049 Elbow Hose in Truck Operation

The 170049 Elbow Hose by Cummins plays a specific role in the operation of commercial trucks. It is part of the truck’s fluid transfer systems, where it helps direct the flow of fluids around bends and through tight spaces within the engine compartment. This hose contributes to the overall functionality of the vehicle by ensuring that fluids are efficiently and reliably transported to where they are needed, supporting the engine’s performance and longevity.

Key Features

The 170049 Elbow Hose is distinguished by several key features. Its design includes a precise bend that allows it to fit into the truck’s engine compartment without obstruction. The hose is constructed from high-quality materials that offer durability and resistance to the pressures and temperatures encountered in commercial truck operations. Additionally, the hose may feature reinforced sections to enhance its strength and longevity, setting it apart from standard hoses.

Benefits

Using the 170049 Elbow Hose offers several benefits. Its durable construction ensures it can withstand the high pressures and temperatures of commercial truck operations, contributing to the efficient operation of the truck. The hose’s resistance to wear and tear also enhances its longevity, reducing the need for frequent replacements. Furthermore, its precise design ensures a secure fit within the truck’s engine compartment, minimizing the risk of leaks and ensuring reliable fluid transfer.

Troubleshooting and Maintenance

Common issues with the 170049 Elbow Hose may include wear, leaks, or blockages. Troubleshooting these problems involves inspecting the hose for signs of damage, such as cracks or softening, and ensuring it is securely connected at both ends. Regular maintenance, including checking for wear and ensuring connections are tight, can help prevent issues and ensure the hose’s longevity and optimal performance. When replacing the hose, it is important to use a compatible part to maintain the system’s integrity ².

About Cummins

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 is committed to producing reliable and efficient components that enhance the performance and longevity of commercial vehicles. Cummins’ dedication to quality is evident in its products, including the 170049 Elbow Hose, which is designed to meet the demanding requirements of commercial truck operations.

Compatibility with Cummins Engines

The Elbow Hose part number 170049, manufactured by Cummins, is designed to fit a variety of Cummins engines. This hose is crucial for maintaining the integrity of the engine’s cooling and exhaust systems, ensuring optimal performance and longevity. Below is a detailed breakdown of the engines that this part is compatible with:

B5.9 Series

• B5.9 G
• B5.9 GAS PLUS CM556

ISB Series

• ISB CM2150
• ISB/ISD6.7 CM2150 SN
• ISB6.7 CM2250
• ISBE CM2150
• ISC CM2150
• ISL CM2150

ISX Series

• ISX CM870
• ISX CM871
• ISX12 G CM2180 EJ

ISBE4 Series

• ISBE4 CM850

ISM Series

• ISM CM570

ISL9 Series

• ISL9 CM2250

QSB Series

• QSB4.5 CM2250 EC
• QSB4.5 CM850 (CM2850)
• QSB6.7 CM2250

Other Engines

• 6C8.3
• GTA855 CM558 (CM2358) G101
• K19
• KTA19GC CM558
• L10 GAS
• N14 MECHANICAL
• NH/NT 855

This hose is engineered to provide a secure and reliable connection between various engine components, ensuring that the fluid flow remains uninterrupted. Its compatibility with a wide range of Cummins engines makes it a versatile and essential part for maintenance and repair purposes.

Role of Part 170049 Elbow Hose in Engine Systems

Part 170049 Elbow Hose is an essential component in various engine systems, facilitating the efficient transfer of fluids and gases. Its applications span across multiple systems, each requiring precise fluid dynamics to ensure optimal engine performance.

Engine Cooling System

In the engine cooling system, the Elbow Hose plays a significant role in directing coolant flow. It is commonly found in the front water crossover tube and the front water tube, ensuring that coolant is evenly distributed across the engine block and cylinder heads. This uniform distribution helps in maintaining consistent engine temperatures, preventing overheating, and enhancing overall engine efficiency ³.

Crankcase Breather System

The Elbow Hose is integral to the crankcase breather system, where it is used in both the crankcase breather and the CRC breather arrangements. It aids in the removal of gases and moisture from the crankcase, which is vital for maintaining clean oil and reducing wear on engine components. By efficiently routing these gases, the Elbow Hose helps in preserving the engine’s lubrication system and prolonging its lifespan.

Air Compressor System

In the air compressor system, the Elbow Hose is utilized in the compressor air inlet and the air compressor inlet connections. It ensures that air is smoothly directed into the compressor, which is essential for generating the required pressure levels. This consistent airflow is critical for the compressor’s performance and the overall efficiency of the air system.

Heat Exchanger and Coolant Heater

The Elbow Hose is also employed in the heat exchanger and coolant heater systems. In these applications, it facilitates the transfer of heat between fluids, enhancing the engine’s warm-up process and ensuring that the coolant reaches the optimal temperature for efficient engine operation. This is particularly important in environments where quick engine warm-up is necessary for performance and emissions control.

Expansion Tank and Tubing

In the expansion tank and expansion tank tube, the Elbow Hose helps manage the fluctuations in coolant volume due to temperature changes. This management is vital for maintaining system pressure and preventing coolant leaks, which could lead to engine damage.

Water Manifold and Turbocharger Location

The Elbow Hose is also found in the water manifold and near the turbocharger location. In these areas, it ensures that water is effectively circulated to cool critical engine components, such as the turbocharger, which operates at high temperatures. This cooling is essential for the turbocharger’s longevity and the engine’s overall performance.

Plumbing and Kitting

In plumbing applications, such as the coolant heater starting aid and the tachometer parts kit, the Elbow Hose is used to create secure and leak-free connections. This is important for the integrity of the fluid systems and the accurate functioning of engine components that rely on these fluids.

Railcar Installation and System Integration

For railcar installations, the Elbow Hose is crucial in the overall plumbing and system integration. It ensures that all fluid pathways are correctly aligned and that there are no restrictions or leaks in the system, which is essential for the safe and efficient operation of railcar engines.

Conclusion

In summary, Part 170049 Elbow Hose is a versatile component that plays a vital role in various engine systems, ensuring efficient fluid and gas transfer, maintaining system integrity, and contributing to the overall performance and longevity of the engine.