44730
Water Manifold
Cummins®

DISCONTINUED

Cummins®

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

Introduction

The Cummins 44730 Water Manifold is a critical component in commercial truck engine cooling systems, designed to efficiently distribute coolant throughout the engine. This ensures that all critical components maintain optimal operating temperatures, contributing to engine performance and longevity 1.

Basic Concepts of Water Manifolds

A water manifold is essential for distributing coolant within the engine cooling system. It channels coolant from the water pump to various engine components, including cylinders and heads, to maintain optimal engine temperature. This is vital for engine efficiency, performance, and longevity, preventing overheating and potential engine damage 2.

Purpose of the Cummins 44730 Water Manifold

This Cummins part is specifically engineered to distribute coolant within the engine cooling system of trucks. It ensures that coolant reaches all necessary engine components, maintaining their optimal operating temperatures. This distribution is crucial for efficient engine operation, preventing overheating, and ensuring the engine operates within its designed temperature range 3.

Key Features

The Cummins 44730 Water Manifold features a robust design and high-quality materials, contributing to its performance and durability. It is engineered to withstand high pressures and temperatures within the engine cooling system. Unique characteristics may include precision-machined passages for optimal coolant flow and a design that ensures a secure fit within the engine assembly.

Benefits

Utilizing this part in a truck’s engine cooling system offers benefits such as improved engine efficiency due to optimal coolant distribution, reduced risk of overheating, and enhanced longevity of engine components. By maintaining consistent engine temperatures, this manifold contributes to the overall reliability and performance of the vehicle.

Installation Considerations

Proper installation of the Cummins 44730 Water Manifold is essential for its effective operation. This process may require specific tools and adherence to manufacturer guidelines to ensure a secure and effective fit. It is important to follow recommended procedures for gasket replacement and torque specifications to prevent leaks and ensure the manifold is properly sealed within the engine system.

Troubleshooting Common Issues

Common issues with the Cummins 44730 Water Manifold include leaks or blockages within the coolant passages. Troubleshooting may involve inspecting the manifold for signs of wear or damage, checking the integrity of the gaskets, and ensuring that all connections are properly torqued. Addressing these issues promptly can help maintain the efficiency of the engine cooling system.

Maintenance Tips

Regular maintenance of the Cummins 44730 Water Manifold is key to ensuring its longevity and optimal performance. This may include periodic inspections for signs of wear or corrosion, cleaning the manifold to remove any buildup that could impede coolant flow, and replacing gaskets or seals as needed. Adhering to a maintenance schedule can help prevent issues and ensure the cooling system operates efficiently.

Cummins Overview

Cummins Inc. is a global leader in designing, manufacturing, and distributing engines, filtration, and power generation products. With a history of innovation and a commitment to quality, Cummins has established a reputation in the commercial truck industry for producing reliable and efficient engine components. The company’s dedication to advancing technology and meeting customer needs underscores its position as a leader in the field.

Integration with Engine Components

The water manifold, specifically part 44730, is integral to the thermal management of engine systems. It facilitates the distribution of coolant to various engine components, ensuring uniform temperature regulation and optimal performance.

  1. Cylinder Heads: The water manifold directs coolant to the cylinder heads, which are prone to high temperatures due to combustion processes. Efficient coolant flow through the manifold helps maintain the cylinder heads at an optimal temperature, preventing overheating and potential damage.

  2. Coolant Passages: The manifold is connected to the coolant passages within the engine block. It ensures that coolant is evenly distributed through these passages, which surround the cylinders and other heat-generating components. This consistent flow is essential for dissipating heat away from these areas.

  3. Thermostat Housing: Often, the water manifold is integrated with the thermostat housing. This allows for precise control over coolant flow based on engine temperature. The thermostat regulates the flow of coolant to the radiator, ensuring that the engine reaches and maintains its operating temperature efficiently.

  4. Water Pump: The manifold is typically connected to the water pump, which circulates coolant throughout the engine system. The design of the manifold ensures that coolant is directed to all necessary components without restriction, enhancing the effectiveness of the water pump.

  5. Radiator Connection: The manifold also plays a role in connecting the engine to the radiator. It ensures that coolant, after absorbing heat from the engine, is efficiently routed to the radiator for cooling before being recirculated.

  6. Heater Core: In many engine systems, the water manifold is part of the pathway to the heater core. This allows for the transfer of heat to the vehicle’s interior, providing warmth to the passengers. The manifold ensures that sufficient coolant reaches the heater core under all operating conditions.

  7. Sensor Locations: Coolant temperature sensors are often placed near or within the water manifold. This allows for accurate monitoring of coolant temperature, which is vital for the engine control unit (ECU) to make adjustments to fuel injection and ignition timing.

Conclusion

By effectively managing coolant distribution, the Cummins 44730 Water Manifold ensures that all engine components operate within their optimal temperature ranges, contributing to the overall efficiency, reliability, and longevity of the engine system.


  1. Robinson, A., & Livesey, A. (2006). The Repair of Vehicle Bodies Fifth Edition. Elsevier.

  2. Minaker, B. P. (2019). Fundamentals of Vehicle Dynamics and Modelling. John Wiley & Sons.

  3. Taghavifar, H., & Mardani, A. (2017). Offroad Vehicle Dynamics Analysis Modelling and Optimization. Springer.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
9.0 x 2.0 x 4.0 in
Weight
3.2 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.