AR12966
Water Pump
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$5,699.95 $6,782.94

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

The Cummins AR12966 Water Pump is a component designed for use in commercial trucks. Cummins, a well-established name in the automotive industry, is known for its commitment to quality and innovation in manufacturing automotive components. This part is integral to the engine cooling system, ensuring that the engine operates within optimal temperature ranges, which is vital for the longevity and efficiency of the vehicle 1.

Basic Concepts of Water Pumps

A water pump is a mechanical device that circulates coolant through the engine and radiator to maintain an optimal operating temperature. It operates by using an impeller driven by a belt connected to the engine. The primary function of a water pump is to move coolant from the engine block to the radiator, where it is cooled before being recirculated. The basic components of a water pump include the impeller, housing, shaft, seals, and bearings, each playing a specific role in the efficient operation of the pump 2.

Purpose of the AR12966 Water Pump

This Cummins part plays a role in the operation of a truck by circulating coolant through the engine and radiator. This circulation helps maintain optimal engine temperature, preventing overheating which can lead to engine damage. By ensuring consistent coolant flow, the water pump contributes to the stable operation of the engine under various driving conditions.

Key Features of the AR12966 Water Pump

The AR12966 is designed with several features that enhance its performance and durability. It utilizes high-quality materials for its construction, ensuring resistance to wear and corrosion. The impeller design is optimized for efficient coolant flow, while advanced seal technology prevents leaks and maintains the integrity of the cooling system. These features contribute to the pump’s reliability and longevity in demanding commercial truck applications.

Benefits of Using the AR12966 Water Pump

Installing this part in commercial trucks offers several advantages. It contributes to improved engine efficiency by ensuring optimal coolant circulation, which helps maintain engine temperature within desired ranges. The pump’s durable construction and reliable performance can lead to increased engine longevity. Additionally, its efficient operation may result in potential cost savings over time by reducing the need for frequent maintenance or replacements.

Installation and Compatibility

Proper installation of the AR12966 is crucial for its effective operation. It is designed to be compatible with specific truck models and engine types, ensuring a seamless fit and function within the engine cooling system. Following manufacturer guidelines during installation helps maintain the pump’s performance and the overall efficiency of the cooling system.

Maintenance and Troubleshooting

Regular maintenance practices are recommended to ensure the longevity and efficiency of the AR12966. This includes checking for leaks, inspecting the impeller for wear, and ensuring the seals are intact. Common issues such as leaks or reduced coolant flow can often be addressed by inspecting these components and performing necessary repairs or replacements. Adhering to a maintenance schedule helps prevent major issues and ensures the pump operates efficiently.

Performance in Various Conditions

The AR12966 is designed to perform reliably under various operating conditions, including extreme temperatures and heavy-duty usage. Its construction and design features allow it to maintain efficient coolant circulation, ensuring the engine remains within optimal temperature ranges even in challenging environments. This reliability is crucial for the consistent performance of commercial trucks in diverse operating scenarios.

Cummins: A Brief Overview

Cummins Inc. is a leader in the automotive industry, known for its history of innovation and commitment to quality in manufacturing automotive components. The company’s reputation is built on its dedication to producing reliable and efficient parts that meet the demanding requirements of commercial and heavy-duty applications. Cummins’ focus on customer satisfaction and continuous improvement in its products underscores its position as a trusted manufacturer in the industry.

Cummins AR12966 Water Pump Compatibility

The Cummins AR12966 Water Pump is a critical component designed to ensure efficient coolant circulation within the engine. This part is engineered to fit seamlessly with a variety of Cummins engines, ensuring optimal performance and longevity.

V903 Engine Series

The AR12966 Water Pump is specifically engineered to integrate with the V903 engine series. This compatibility ensures that the water pump maintains the coolant flow necessary for the V903 engine’s operational efficiency. The design and specifications of the AR12966 are tailored to meet the unique thermal and hydraulic demands of the V903 engine, providing reliable performance and durability.

Role of AR12966 Water Pump in Engine Systems

This part is an integral component within the engine’s cooling system, ensuring optimal engine performance and longevity. It is strategically positioned to interact with several key components, facilitating efficient coolant circulation.

Interaction with the Cylinder Block

The cylinder block, the structural core of the engine, houses the cylinders where combustion occurs. The AR12966 Water Pump plays a significant role in maintaining the cylinder block’s temperature within safe limits. By circulating coolant through the water jackets surrounding the cylinders, the water pump prevents overheating, which could lead to engine damage.

Connection to the Water Inlet

The water inlet connection serves as the entry point for coolant into the engine. The AR12966 Water Pump draws coolant from the water inlet and propels it through the engine’s cooling passages. This continuous circulation ensures that the coolant absorbs heat from the engine components and transfers it to the radiator, where it is dissipated into the atmosphere.

Integration with the Water Pump Kit

Often, the AR12966 Water Pump is part of a comprehensive water pump kit. This kit may include gaskets, seals, and other necessary components to ensure a complete and efficient cooling system overhaul. The water pump kit simplifies the replacement process, ensuring that all critical components are addressed during maintenance.

Conclusion

In summary, the AR12966 Water Pump is essential for maintaining the engine’s thermal equilibrium. Its interaction with the cylinder block, water inlet connection, and inclusion in the water pump kit underscores its importance in the engine’s cooling system. Proper installation, regular maintenance, and understanding its role within the engine system are key to ensuring the longevity and efficiency of commercial trucks.


  1. Gillespie, Thomas D. Fundamentals of Vehicle Dynamics. SAE International, 2021.

  2. Hilgers, Michael. Vocational Vehicles and Applications. Springer Nature, 2023.

RELATED PARTS

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Notes
Recon equivalent AR12966 RX
Package Dimensions
12.0 x 12.0 x 10.0 in
Weight
26 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.