3069121
Water Inlet Connection
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$309.95 $368.84

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 3069121 Water Inlet Connection is a component designed for use in the cooling systems of heavy-duty trucks. Its purpose is to facilitate the efficient flow of coolant into the engine, playing a role in maintaining optimal engine temperature and ensuring the engine operates within safe thermal limits.

Basic Concepts of Water Inlet Connections

A water inlet connection is a part of the engine cooling system that allows coolant to enter the engine block. It is typically connected to the radiator via hoses and plays a role in circulating coolant through the engine to absorb heat. This circulation helps to dissipate heat away from the engine, preventing overheating and potential damage 1.

Purpose of the Cummins 3069121 Water Inlet Connection

The Cummins 3069121 Water Inlet Connection is specifically engineered to enhance the cooling efficiency of heavy-duty truck engines. It plays a role in the cooling system by ensuring a steady flow of coolant into the engine, which helps in maintaining optimal engine temperature under various operating conditions. This component is integral to the engine’s thermal management system, contributing to the overall performance and longevity of the engine 2.

Key Features

The Cummins 3069121 Water Inlet Connection is characterized by its robust design and the use of high-quality materials. These features contribute to its durability and performance. The connection is designed to withstand the high pressures and temperatures typical of heavy-duty truck engines, ensuring reliable operation over time.

Benefits

The use of the Cummins 3069121 Water Inlet Connection offers several benefits. It contributes to improved engine efficiency by ensuring consistent coolant flow, which helps in maintaining optimal engine temperature. This, in turn, can lead to enhanced engine performance and longevity. Additionally, the component’s design and materials contribute to its reliability under various operating conditions, reducing the likelihood of coolant system failures.

Installation Process

Installing the Cummins 3069121 Water Inlet Connection requires careful attention to ensure a secure and leak-free fit. The process involves disconnecting the old connection, cleaning the mating surfaces, and attaching the new connection with the appropriate torque settings. Using the correct tools and following best practices during installation is important to ensure the connection functions as intended.

Common Issues and Troubleshooting

Common issues with water inlet connections may include leaks or blockages. These can often be traced to improper installation, wear and tear, or debris within the cooling system. Troubleshooting steps may involve inspecting the connection for signs of damage, ensuring it is properly seated, and checking for any obstructions in the coolant flow path.

Maintenance Tips

Regular maintenance of the Cummins 3069121 Water Inlet Connection is important to prolong its lifespan and ensure optimal performance. This includes periodic inspections for signs of wear or damage, ensuring all connections are secure, and keeping the cooling system clean and free of debris. Following the manufacturer’s recommended maintenance schedule can help prevent issues and ensure the cooling system operates efficiently.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and a commitment to quality, Cummins has established a reputation for reliability and performance in the automotive industry. The company’s product offerings span a wide range of applications, from on-highway to off-highway and industrial uses, underscoring its versatility and expertise in engine technology.

Compatibility with Cummins Engines

The Water Inlet Connection part 3069121, manufactured by Cummins, is designed to integrate seamlessly with a variety of Cummins engine models. This part plays a role in the engine’s cooling system, ensuring efficient water flow and maintaining optimal engine temperature.

G855 Series

The part 3069121 is compatible with the G855 engine, which is known for its robust performance and reliability. This engine variant is often used in heavy-duty applications where durability and efficiency are paramount.

G855 CM558 and GTA855 CM558 (CM2358) G101

The G855 CM558 and GTA855 CM558 (CM2358) G101 engines also utilize the Water Inlet Connection part 3069121. These engines are part of the advanced CM series, featuring state-of-the-art technology for enhanced performance and fuel efficiency. The part’s design ensures it fits perfectly within the intricate cooling systems of these engines.

N14 Series

The N14 CELECT PLUS, N14 G, and N14 MECHANICAL engines are another set of models that are compatible with the Water Inlet Connection part 3069121. These engines are renowned for their versatility and are used in a wide range of applications, from construction to agricultural machinery. The part’s precision engineering guarantees a secure and efficient fit, contributing to the overall reliability of these engines.

Each of these engines, despite their different configurations and applications, relies on the Water Inlet Connection part 3069121 to maintain the integrity of their cooling systems. This compatibility ensures that the engines can operate efficiently and reliably, regardless of the specific model or application.

Role of Part 3069121 Water Inlet Connection in Engine Systems

The Water Inlet Connection, identified by part number 3069121, is integral to the efficient operation of various engine systems. This component facilitates the introduction of coolant into the engine block, ensuring optimal thermal management.

Integration with Fuel Supply Tube Mounting

The Water Inlet Connection interfaces with the Fuel Supply Tube Mounting to maintain a stable and secure coolant flow. This integration is important for preventing leaks and ensuring that the fuel supply tube remains cool, which is vital for the precise delivery of fuel to the combustion chamber. The mounting system must be robust to withstand the pressures and temperatures associated with both fuel and coolant systems.

Interaction with Fuel Tubing

In conjunction with the Fuel Tubing, the Water Inlet Connection plays a role in maintaining the structural integrity and operational efficiency of the fuel system. Coolant flow near the fuel tubing helps in dissipating any excess heat generated during fuel delivery, which can otherwise lead to fuel degradation or system malfunctions. The proximity of these systems necessitates a design that ensures both fuel and coolant pathways are clearly delineated and securely contained.

Overall System Functionality

The Water Inlet Connection is a key component in the coolant circuit, which is responsible for regulating engine temperature. By ensuring a consistent coolant flow into the engine block, it helps in dissipating heat generated during combustion. This, in turn, protects sensitive engine components from thermal stress and enhances overall engine performance and longevity.

Conclusion

In summary, the Water Inlet Connection (part 3069121) is a vital link in the engine’s cooling system, working in tandem with fuel supply components to maintain engine efficiency and reliability. Its robust design, compatibility with various Cummins engine models, and role in thermal management underscore its importance in the operation of heavy-duty truck engines.


  1. Boyce, M. P. (2002). Gas Turbine Engineering Handbook, Second Edition. Gulf Professional Publishing.

  2. Norman, A. (2016). Diesel Technology Fundamentals Service Repair Eighth Edition. The Goodheart-Willcox Company Inc.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
7.3 x 5.1 x 4.2 in
Weight
2.55 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.