4991835
Hexagon Flange Head Cap Screw
Cummins®

The Cummins 4991835 Water Inlet Tube is a component designed to facilitate the efficient flow of coolant into the engine of heavy-duty trucks. Its role in the cooling system is significant, as it helps maintain optimal engine temperature, which is vital for the performance and longevity of the engine ¹.

Basic Concepts of Water Inlet Tubes

A water inlet tube is a conduit that directs coolant from the radiator into the engine. Within the engine cooling system, it plays a role by ensuring a steady and regulated flow of coolant to various engine components. This consistent flow helps in dissipating heat generated during engine operation, thereby maintaining engine temperature within specified limits ².

Purpose of the Cummins 4991835 Water Inlet Tube

This Cummins part is integral to the operation of a truck’s engine. It directs coolant flow to the engine, ensuring that all critical components receive adequate cooling. This function is crucial for preventing overheating, which can lead to engine damage and reduced efficiency ³.

Key Features

The 4991835 is constructed with materials that offer durability and resistance to corrosion. Its design includes specific connection types that ensure a secure fit within the engine’s cooling system. Unique attributes such as reinforced sections may be incorporated to enhance performance and longevity.

Benefits

This part offers several advantages. It provides improved coolant flow, which enhances the efficiency of the cooling system. Its durable construction ensures long-term reliability, and its design is compatible with Cummins engines, ensuring seamless integration and operation.

Installation Process

Installing the 4991835 requires careful attention to detail. Preparatory steps include ensuring the engine is cool and the cooling system is drained. The necessary tools for installation should be gathered beforehand. Following the manufacturer’s instructions for a secure fit is recommended to prevent leaks and ensure optimal performance.

Maintenance Tips

Regular maintenance of the 4991835 is recommended to ensure its longevity and efficiency. This includes periodic inspections for signs of wear or damage and cleaning as necessary to prevent blockages. Adhering to these practices helps maintain the integrity of the cooling system.

Troubleshooting Common Issues

Common issues with water inlet tubes may include leaks or blockages. Troubleshooting these problems involves inspecting the tube for visible damage, checking connections for tightness, and ensuring there are no obstructions in the coolant flow. Addressing these issues promptly can prevent more significant problems within the engine cooling system.

Compatibility and Application

The 4991835 is designed for specific Cummins engines and truck models. Ensuring the correct application is vital for the component’s effectiveness and the overall performance of the engine cooling system.

Cummins Overview

Cummins Inc. is a renowned manufacturer of diesel engines and related components. With a history of innovation and quality, Cummins has established a reputation for reliability in the automotive and heavy-duty truck industries. This background underscores the quality and reliability of components like the 4991835 ⁴.

Water Inlet Tube 4991835 by Cummins: Compatibility with Various Engine Models

The Water Inlet Tube 4991835, manufactured by Cummins, is a critical component designed to ensure efficient coolant flow within the engine’s cooling system. This part is compatible with a range of Cummins engine models, each identified by distinct naming conventions. Below is a detailed overview of the engine models that this water inlet tube fits:

ISF Engines

• ISF2.8 CM2220 F102
• ISF3.8 CM2220 AN
• ISF3.8 CM2220 F103

These ISF engines are designed for applications requiring robust performance and reliability. The water inlet tube 4991835 is engineered to integrate seamlessly with these models, ensuring optimal coolant flow and maintaining engine temperature within safe operating limits.

ISG Engines

• ISG11 CM2880 G108
• ISG12 CM2880 G107

The ISG series engines are known for their high efficiency and power output. The water inlet tube 4991835 is specifically designed to fit these models, providing a reliable pathway for coolant to enter the engine block, which is crucial for maintaining engine performance and longevity.

QSB Engines

• QSB4.5 CM2250 EC
• QSB6.7 CM2350 B105

The QSB engines are versatile and widely used in various industrial and commercial applications. The water inlet tube 4991835 is compatible with these models, ensuring that the cooling system operates efficiently, which is vital for preventing engine overheating and maintaining peak performance.

QSF Engines

• QSF2.8 CM2880 F104
• QSF2.8 CM2880 F105
• QSF2.8 CM2880 F114
• QSF3.8 CM2350 F107

These QSF engines are designed for heavy-duty applications, requiring a reliable and efficient cooling system. The water inlet tube 4991835 fits these models, ensuring that the coolant flows correctly, which is essential for the engines’ durability and performance.

R2.8 CM2220 R101B

This engine model is part of the R series, known for its reliability and efficiency. The water inlet tube 4991835 is designed to fit this model, ensuring that the engine’s cooling system functions optimally.

X11, X12, X12N, X13 Engines

• X11 CM2670 X126B
• X12 CM2670 X121B
• X12N CMMDG1 X143B
• X13 CM2670 X122B

These X series engines are used in various applications, from agricultural to industrial use. The water inlet tube 4991835 is compatible with these models, ensuring that the cooling system operates efficiently, which is crucial for maintaining engine performance and longevity.

Role of Part 4991835 Water Inlet Tube in Engine Systems

The 4991835 Water Inlet Tube is an essential component in the arrangement of various engine systems, facilitating the efficient operation of several critical parts. Its primary function is to ensure a steady and controlled flow of coolant into the engine, which is vital for maintaining optimal operating temperatures.

In the context of the TRN BRK PLB (Turbocharger Recirculation Bypass), the Water Inlet Tube plays a significant role by providing the necessary coolant flow to manage the temperatures within the turbocharger system. This helps in preventing overheating and ensuring the longevity and performance of the turbocharger components.

When considering the connection to the exhaust outlet, the Water Inlet Tube aids in the cooling process of the exhaust gases. This is particularly important in systems where the exhaust gases are recirculated back into the engine for improved efficiency and reduced emissions.

In the aftertreatment system, the Water Inlet Tube is integral to the housing and thermostat arrangement. It ensures that the coolant is evenly distributed, which is essential for the proper functioning of the aftertreatment devices. This includes components like the Diesel Particulate Filter (DPF) and Selective Catalytic Reduction (SCR) systems, where temperature control is key to effective emissions reduction.

During engine installation, the Water Inlet Tube is part of the engine installation kit, ensuring that all coolant pathways are correctly established from the outset. This is important for the initial setup and for any subsequent maintenance or upgrades.

The Water Inlet Tube also interfaces with the thermostat package, allowing for precise control over the coolant flow based on the engine’s temperature. This dynamic control is essential for maintaining engine performance under varying operating conditions.

In terms of product installation, the Water Inlet Tube must be correctly installed to ensure that all parts of the engine receive the necessary coolant flow. This is particularly important in high-performance engines where thermal management is a key factor in achieving peak performance.

Lastly, the Water Inlet Tube is a component in the turbocharger gasket kit and turbocharger kit, ensuring that the turbocharger remains cool and operates within its designed parameters. This is essential for the turbocharger’s performance and durability, especially in high-stress environments.

Conclusion

The Cummins 4991835 Water Inlet Tube is a critical component in the cooling system of heavy-duty trucks, ensuring efficient coolant flow and maintaining optimal engine temperature. Its compatibility with various Cummins engine models, durable construction, and role in multiple engine systems underscore its importance in engine performance and longevity.