4309185
Thermostat Kit
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$134.95 $160.59

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 4309185 Thermostat Kit is designed for use in heavy-duty trucks, regulating the engine’s temperature to ensure optimal performance and longevity. This part is integral to the engine cooling system, contributing to the vehicle’s overall efficiency and reliability 1.

Basic Concepts of a Thermostat Kit

A thermostat kit typically includes a thermostat, housing, and gasket. The thermostat, a temperature-sensitive valve, controls coolant flow through the engine. When the engine is cold, the thermostat remains closed, directing coolant away from the radiator to allow quick warming. As the engine temperature rises, the thermostat gradually opens, allowing coolant to flow through the radiator where it is cooled before returning to the engine. This process maintains a consistent operating temperature 2.

Purpose of the Cummins 4309185 Thermostat Kit

This Cummins part plays a role in maintaining optimal engine temperature by regulating coolant flow. This regulation ensures the engine operates efficiently and protects its components from damage due to overheating or underheating. Proper temperature control is vital for engine performance, fuel efficiency, and the longevity of engine parts 3.

Key Features

The Cummins 4309185 Thermostat Kit is designed with specific features to enhance its performance and durability. It includes a precision-engineered thermostat for accurate temperature regulation. The kit also features a robust housing and a high-quality gasket, designed to withstand the rigors of heavy-duty truck operation. These components work together to provide reliable and consistent performance.

Benefits of Using the Cummins 4309185 Thermostat Kit

Using this part offers several advantages. It contributes to improved engine efficiency by ensuring the engine operates at the optimal temperature, leading to better fuel economy and reduced emissions. Additionally, the kit helps extend the lifespan of engine components by protecting them from the adverse effects of temperature extremes. Reliable temperature regulation also enhances the overall performance and durability of the engine.

Installation and Compatibility

Proper installation of the Cummins 4309185 Thermostat Kit is important for ensuring its effective operation. The installation process involves removing the old thermostat and housing, installing the new components, and ensuring all connections are secure. It is important to follow the manufacturer’s guidelines to ensure correct installation. The kit is designed to be compatible with specific Cummins engine models, and it is important to verify compatibility before installation.

Maintenance and Troubleshooting

To ensure the optimal performance of the Cummins 4309185 Thermostat Kit, regular maintenance is recommended. This includes periodic inspection of the thermostat and housing for signs of wear or damage. Common issues may include a thermostat that fails to open or close properly, which can be identified through temperature gauge readings or engine performance. Troubleshooting steps may involve testing the thermostat’s operation and replacing it if necessary. Regular maintenance helps prevent issues and ensures the kit continues to function effectively.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and related technologies. With a history spanning over a century, Cummins has established a reputation for producing high-quality, reliable components. The company is committed to innovation, sustainability, and customer satisfaction, making it a trusted name in the automotive and heavy-duty truck industries.

Components of Cummins Thermostat Kit 4309185

Water Transfer Connection Gasket (5282462)

The Water Transfer Connection Gasket is a critical component within the Cummins Thermostat Kit 4309185. Its primary role is to ensure a secure and leak-proof seal between the water transfer connection and the engine block. This gasket is essential for maintaining the integrity of the cooling system by preventing coolant leaks, which could lead to engine overheating and potential damage. The gasket’s placement and proper installation are vital for the efficient operation of the thermostat kit, ensuring that coolant flows smoothly and maintains optimal engine temperature.

Thermostat (5297096)

The Thermostat is the central component of the Cummins Thermostat Kit 4309185. It plays a pivotal role in regulating the engine’s operating temperature by controlling the flow of coolant through the engine. When the engine is cold, the thermostat remains closed, restricting coolant flow and allowing the engine to warm up quickly. Once the engine reaches the optimal operating temperature, the thermostat opens, allowing coolant to circulate through the engine and radiator, thereby maintaining a consistent temperature. This regulation is crucial for engine efficiency, performance, and longevity, ensuring that the engine operates within its designed temperature range under various conditions.

Conclusion

The Cummins 4309185 Thermostat Kit is a vital component for maintaining optimal engine temperature in heavy-duty trucks. Its precise engineering and robust design ensure reliable performance and durability. Regular maintenance and proper installation are key to maximizing the benefits of this part, contributing to improved engine efficiency, fuel economy, and longevity of engine components.


  1. Rendle, S., & Randall, M. (2000). Haynes Diesel Engine Systems and Data Book. Haynes Publishing.

  2. Hick, H., Kupper, K., & Sorger, H. (2021). Systems Engineering for Automotive Powertrain Development. Springer.

  3. Sclar, D. (2008). Auto Repair for Dummies: 2nd Edition. For Dummies.

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SPECIFICATIONS

Package Dimensions
4.9 x 4.5 x 4.5 in
Weight
0.85 lb

BILL OF MATERIALS

Name Quantity Part Number
Water Transfer Connection Gasket
* 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.