3630125
Plain Hose
Cummins®

The Cummins 3630125 Plain Hose is a component designed for use in commercial trucks. It serves a specific function within the truck’s fluid systems, contributing to the overall operation and efficiency of the vehicle. Understanding its purpose and role is fundamental for maintaining and optimizing truck performance.

Basic Concepts of Plain Hoses

Plain hoses are a type of flexible tubing used in various fluid systems to transport liquids or gases. They are characterized by their simple, unadorned design, which lacks reinforcements such as wire spirals or textile braids. Unlike reinforced hoses, plain hoses rely solely on the material of the hose itself for strength and flexibility. They are commonly used in applications where the pressure and temperature conditions are moderate, and where flexibility and ease of installation are prioritized ¹.

Purpose of the Cummins 3630125 Plain Hose

The Cummins 3630125 Plain Hose is integral to the fluid systems of commercial trucks. It is designed to transport specific fluids within the truck, playing a role in systems such as the cooling system, where it may be used to convey coolant, or in other systems where fluid transfer is necessary. The hose ensures that fluids are efficiently and reliably transported to their intended destinations within the truck, contributing to the vehicle’s operational integrity ².

Key Features

The Cummins 3630125 Plain Hose is constructed from materials that provide durability and resistance to the fluids it transports. Its design characteristics include a smooth interior for efficient fluid flow and a flexible exterior that allows for easy installation and movement within the truck’s engine compartment. Unique attributes such as resistance to wear, environmental factors, and high-pressure conditions enhance its performance and longevity ³.

Benefits

The use of the Cummins 3630125 Plain Hose offers several advantages. It contributes to improved fluid transfer efficiency due to its smooth interior, which minimizes resistance to flow. Its durability under high pressure and resistance to wear and environmental factors ensure reliable operation over time. These benefits help maintain the efficiency and reliability of the truck’s fluid systems.

Installation Considerations

Proper installation of the Cummins 3630125 Plain Hose is vital for its performance and longevity. Considerations include ensuring a proper fit with the truck’s fluid system components, using appropriate securing methods to prevent leaks and ensure stability, and verifying compatibility with other system components. Attention to these factors during installation helps prevent issues and ensures the hose functions as intended.

Troubleshooting Common Issues

Common issues with the Cummins 3630125 Plain Hose may include leaks, blockages, or degradation over time. Troubleshooting these issues involves inspecting the hose for signs of wear or damage, checking connections for tightness and integrity, and ensuring that the hose is compatible with the fluids and pressures within the system. Addressing these issues promptly can help maintain the efficiency and safety of the truck’s fluid systems.

Maintenance Tips

Maintaining the Cummins 3630125 Plain Hose is key to ensuring its longevity and optimal performance. Regular inspection routines should be established to check for signs of wear, leaks, or blockages. Cleaning procedures, if applicable, should be performed according to manufacturer recommendations to prevent buildup that could affect performance. Replacement guidelines should be followed to ensure that the hose is replaced before it reaches the end of its service life, maintaining the integrity of the truck’s fluid systems.

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, reliability, and innovation in the commercial truck industry. Its product range includes engines, powertrain components, and aftermarket parts, all designed to meet the demanding requirements of commercial vehicles.

Cummins Engine Compatibility with Part 3630125

The Cummins part 3630125, a Plain Hose, is designed to fit a variety of Cummins engines. This hose is integral to the engine’s cooling and fluid management systems, ensuring efficient operation and longevity of the engine. Below is a detailed description of the compatibility of this part with the listed engines:

G5.9 Series

• G5.9
• G855 CM558
• GTA855 CM558 (CM2358)

The G5.9 series engines, including the G855 CM558 and GTA855 CM558 (CM2358), utilize the Plain Hose 3630125 for their cooling systems. This hose is crucial for maintaining optimal coolant flow, which helps in preventing engine overheating and ensures efficient thermal management.

G101 Series

• G101

The G101 engine also incorporates the Plain Hose 3630125 in its design. This hose is essential for the fluid transfer within the engine’s cooling system, ensuring that the engine operates within its optimal temperature range.

K38 and K50 Series

• K38
• K50

Both the K38 and K50 engines are compatible with the Plain Hose 3630125. This hose is used in the engine’s cooling and fluid management systems, facilitating the smooth transfer of fluids and maintaining the engine’s operational efficiency.

KTA19 Series

• KTA19GC
• KTA19GC CM558

The KTA19GC and KTA19GC CM558 engines both require the Plain Hose 3630125 for their cooling systems. This hose is critical for the proper functioning of the engine, ensuring that the coolant circulates effectively and the engine remains at an optimal temperature.

QSK19 Series

• QSK19 CM2350 K114
• QSK19 CM500
• QSK19 CM850 MCRS

The QSK19 series engines, including the QSK19 CM2350 K114, QSK19 CM500, and QSK19 CM850 MCRS, are designed to use the Plain Hose 3630125. This hose is essential for the engine’s cooling system, ensuring that the coolant flows efficiently and the engine operates within its specified temperature range.

QSK45 and QSK60 Series

• QSK45 CM500
• QSK60 CM500
• QSK60 CM850 MCRS
• QSK78 CM500

The QSK45 CM500, QSK60 CM500, QSK60 CM850 MCRS, and QSK78 CM500 engines all utilize the Plain Hose 3630125. This hose is a key component in the engine’s cooling and fluid management systems, ensuring that the engine maintains optimal performance and longevity.

QST30 Series

• QST30 CM552

The QST30 CM552 engine is also compatible with the Plain Hose 3630125. This hose is essential for the engine’s cooling system, facilitating the efficient transfer of fluids and maintaining the engine’s operational efficiency.

Role of Part 3630125 Plain Hose in Engine Systems

Part 3630125 Plain Hose is an essential component in various engine systems, facilitating the transfer of fluids and gases between different parts of the engine. Its applications span across multiple critical systems, ensuring efficient operation and performance.

Aftercooler and Intercooler Systems

In aftercooler and intercooler systems, the 3630125 Plain Hose is utilized to connect the aftercooler and intercooler to the intake manifold. This connection allows for the efficient transfer of cooled air, which is vital for maintaining optimal engine temperature and enhancing performance. The hose works in conjunction with the intercooler gasket set and upper engine gasket set to ensure a sealed and secure connection.

Air Crossover Assembly

The air crossover assembly relies on the 3630125 Plain Hose to link various components such as the air crossover tube mounting and the air crossover connection. This setup ensures that air is evenly distributed across the engine, contributing to balanced combustion and improved efficiency. The hose is also integral in the air transfer connection, facilitating smooth airflow between the turbocharger and the intake manifold.

Turbocharger Systems

Within turbocharger systems, the 3630125 Plain Hose is employed in the turbocharger hose and clamp setup. It connects the turbocharger to the intake manifold and other related components, such as the turbocharger intercooler gasket kit. This connection is vital for the efficient transfer of boosted air, which is essential for enhanced engine performance. The hose is also used in the step hoses kit and STC hoses KTA38C 120T to manage the complex plumbing required in turbocharged engines.

Breather and Crankcase Systems

In breather and crankcase systems, the 3630125 Plain Hose plays a role in venting and circulating gases. It connects the crankcase to the intake manifold, allowing for the safe release of pressure and the recirculation of gases, which helps in reducing emissions and maintaining engine health.

Fuel Control Module

The fuel control module also benefits from the use of the 3630125 Plain Hose. It ensures that fuel lines and connections are secure and leak-free, contributing to the overall reliability and performance of the engine. The hose is part of the comprehensive arrangement that includes various performance parts and plumbing components.

Manifold and Air Intake Systems

In manifold and air intake systems, the 3630125 Plain Hose is used to connect the air intake manifold to other components, ensuring a smooth and unrestricted flow of air into the engine. This is particularly important in high-performance engines where every detail can impact overall efficiency and power output.

Conclusion

The Cummins 3630125 Plain Hose is a versatile and indispensable component in various engine systems, playing a significant role in ensuring the efficient transfer of fluids and gases, maintaining engine performance, and contributing to the overall reliability of the engine.