3064455
Thermostat
Cummins®

Introduction

The Cummins 3064455 Thermostat is a critical component in commercial trucks, designed to regulate the engine’s operating temperature within a specified range for optimal performance and longevity.

Basic Concepts of a Thermostat

A thermostat monitors and controls the temperature within an engine cooling system by opening and closing in response to temperature changes, allowing coolant to flow through the engine when it reaches a certain threshold. This mechanism maintains the engine at an optimal temperature, enhancing efficiency and protecting components from damage ¹.

Purpose of the Cummins 3064455 Thermostat

This Cummins part is integral to maintaining the engine’s optimal temperature. By regulating the flow of coolant, it ensures the engine operates efficiently and prevents damage from overheating or underheating. This regulation is vital for the engine’s performance, fuel efficiency, and longevity ².

Key Features

The 3064455 Thermostat is engineered with specific features to enhance its performance and reliability. It is constructed from durable materials that withstand the harsh conditions within an engine. Its sealing mechanisms are designed to prevent coolant leaks, and it offers precise temperature control accuracy, ensuring the engine maintains its optimal operating temperature ³.

Benefits

The advantages of this part include improved engine efficiency, extended engine life, and consistent performance across various operating conditions. By maintaining the engine’s optimal temperature, it contributes to better fuel economy and reduces the risk of engine wear and damage ⁴.

Installation and Compatibility

Proper installation of the 3064455 Thermostat is crucial for its effective function within the engine cooling system. It should be fitted according to the manufacturer’s guidelines to ensure it operates as intended, contributing to the engine’s efficient cooling and overall performance.

Troubleshooting and Maintenance

Common issues with thermostats may include failure to open or close properly, leading to overheating or underheating of the engine. Diagnostic procedures can help identify these problems, and regular maintenance, such as checking for proper operation and replacing the thermostat as needed, can ensure its longevity and performance.

Performance in Various Conditions

The 3064455 Thermostat is designed to perform effectively under a range of operating conditions, including extreme temperatures, heavy loads, and varying speeds. Its ability to maintain the engine’s optimal temperature under these conditions contributes to consistent engine operation and efficiency.

Cummins Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its commitment to quality and innovation. With a broad product range and a reputation for reliability, Cummins continues to be a trusted name in the industry, providing components that enhance the performance and efficiency of commercial vehicles.

Compatibility with Cummins Engines

N14 MECHANICAL Engines

In the N14 MECHANICAL engines, the 3064455 plays a pivotal role in regulating the engine’s temperature. This engine, known for its robust design and reliability, benefits from the precise temperature control provided by this thermostat. The part’s design ensures that it can withstand the high-stress conditions typical of heavy-duty applications, maintaining its functionality over extended periods.

NH/NT 855 Engines

Similarly, the NH/NT 855 engines also integrate the 3064455 effectively. These engines are part of Cummins’ lineup of high-performance, dependable power units. The thermostat ensures that the engine operates within its ideal temperature range, preventing overheating and ensuring efficient fuel combustion. The compatibility of this part with the NH/NT 855 engines underscores Cummins’ commitment to providing reliable components that enhance engine performance.

Grouping for Efficiency

When considering the use of the 3064455 across different engine models, it is essential to recognize its versatility. Cummins has designed this thermostat to fit within the specific thermal management systems of both the N14 MECHANICAL and NH/NT 855 engines. This design choice reflects Cummins’ engineering excellence, ensuring that the thermostat not only fits but also performs optimally in various engine environments.

Role of Part 3064455 Thermostat in Engine Systems

Interaction with Thermostat Housing

The thermostat is housed within the thermostat housing, a component that provides a secure enclosure for the thermostat. The housing is typically connected to the engine block or cylinder head via gaskets, ensuring a leak-free seal. The thermostat housing also connects to the upper radiator hose, which facilitates the flow of coolant between the engine and the radiator.

Function in Coolant Flow

When the engine is cold, the thermostat remains closed, blocking the flow of coolant to the radiator. This allows the engine to warm up more quickly, reducing wear on engine components during cold starts. As the engine temperature rises, the thermostat gradually opens, allowing coolant to flow through the engine and into the radiator, where it is cooled before returning to the engine. This continuous cycle helps maintain a consistent engine temperature, optimizing combustion efficiency and reducing emissions.

Integration with Engine Cooling System

The thermostat is a key part of the engine’s cooling system, which includes the water pump, radiator, hoses, and coolant. The water pump circulates coolant through the engine and to the radiator. The radiator dissipates heat from the coolant, which is then returned to the engine to absorb more heat. The hoses provide the pathways for coolant flow, and the coolant itself acts as a heat transfer medium.

Impact on Engine Performance

By regulating the flow of coolant, the thermostat directly influences engine performance. Proper thermostat function ensures that the engine operates within its optimal temperature range, which is essential for efficient fuel combustion, reduced emissions, and prolonged engine life. Inefficient thermostat operation can lead to overheating or underheating, both of which can cause significant engine damage over time.

Summary of Component Interaction

• Thermostat Housing: Encases the thermostat and connects to the engine block or cylinder head.
• Upper Radiator Hose: Links the thermostat housing to the radiator, allowing coolant flow.
• Water Pump: Circulates coolant through the engine and to the radiator.
• Radiator: Cools the coolant before it is returned to the engine.
• Hoses: Provide pathways for coolant circulation.
• Coolant: Acts as a heat transfer medium within the system.

Conclusion

The Cummins 3064455 Thermostat is a vital component in the engine cooling system of commercial trucks, ensuring optimal engine temperature for efficient performance and longevity. Its design, compatibility with various Cummins engines, and role in the cooling system highlight its importance in maintaining engine health and efficiency.