3965962
Air Intake Manifold
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$749.95 $892.44

Oversize Item

This is an oversize product. Additional shipping fees may apply.

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 3965962 Air Intake Manifold is a component designed for use in heavy-duty trucks. It facilitates the distribution of air to the engine cylinders, which is vital for combustion and overall engine performance.

Basic Concepts of Air Intake Manifolds

An air intake manifold is a part of the engine that distributes the air-fuel mixture to the cylinders in an internal combustion engine. Its function is to ensure that each cylinder receives an equal amount of the mixture, which is important for balanced combustion and efficient engine operation. The manifold connects to the throttle body or carburetor and branches out into individual runners for each cylinder 1.

Purpose of the Cummins 3965962 Air Intake Manifold

This Cummins part is specifically engineered to enhance the air distribution process within the engine of a heavy-duty truck. By providing a streamlined path for air to travel from the air filter to the cylinders, it optimizes the air-fuel mixture, which can lead to improved engine performance and efficiency 2.

Key Features

The 3965962 is characterized by its robust design and the materials used in its construction. It is built to withstand the demanding conditions of heavy-duty truck operation. The manifold is made from high-quality materials that offer durability and resistance to heat and corrosion. Its design may include features such as smooth internal surfaces to minimize air turbulence and precise engineering to ensure uniform air distribution 3.

Benefits

The use of the 3965962 can lead to several benefits. These include improved engine efficiency due to better air distribution, enhanced performance as a result of optimized combustion, and increased reliability under various operating conditions. The manifold’s design contributes to these advantages by ensuring that the engine receives a consistent and adequate supply of air.

Installation and Compatibility

Proper installation of the 3965962 is important for ensuring optimal performance. It should be installed according to the manufacturer’s guidelines, which may include specific torque specifications for fasteners and alignment checks. Compatibility with different truck models is also a consideration, and it is important to verify that the manifold is suitable for the specific engine and truck configuration.

Maintenance and Troubleshooting

Regular maintenance of the 3965962 is important to ensure its continued performance. This may involve periodic inspection for signs of wear or damage, cleaning to remove any buildup that could obstruct airflow, and addressing any leaks or cracks that may develop. Troubleshooting common issues, such as uneven cylinder performance, may involve checking the manifold for proper installation and condition.

Performance Enhancements

The 3965962 can contribute to performance enhancements in a heavy-duty truck. These may include increased horsepower and torque due to improved air flow, as well as better fuel efficiency as a result of more efficient combustion. The manifold’s role in the engine system makes it a component that can have a noticeable impact on the truck’s overall performance.

Environmental Impact

The 3965962 plays a role in the environmental performance of heavy-duty trucks. By ensuring efficient combustion, it can help reduce emissions by minimizing the amount of unburned fuel that is released into the atmosphere. This contributes to cleaner operation and can be part of a truck’s strategy to meet emissions regulations.

Cummins Overview

Cummins Inc. is a company with a long-standing reputation in the industry for manufacturing high-quality automotive components. Founded with a commitment to innovation and excellence, Cummins has a history of developing reliable and efficient parts for engines. The company’s dedication to quality is reflected in its products, including the 3965962, which is designed with the aim of providing durable and high-performing solutions for heavy-duty applications.

Role of Part 3965962 Air Intake Manifold in Engine Systems

The Air Intake Manifold, specifically part 3965962, is integral to the efficient operation of engine systems. It serves as a conduit for air entering the engine, ensuring a consistent and regulated flow to the cylinders. This part interfaces directly with the throttle body, allowing for precise control over the volume of air entering the system based on driver input and engine demand.

Once air passes through the throttle body, it moves into the Air Intake Manifold where it is distributed evenly across all cylinders. This even distribution is vital for maintaining balanced combustion across the engine, which in turn optimizes performance and fuel efficiency.

The Air Intake Manifold also connects to the engine’s fuel injectors. In fuel-injected engines, the manifold provides a pathway for the pressurized fuel to mix with the incoming air, creating a combustible mixture. This mixture is then delivered to the cylinders for combustion.

Additionally, the Air Intake Manifold is often equipped with temperature sensors that monitor the air temperature entering the engine. These sensors provide data to the engine control unit (ECU), allowing it to make real-time adjustments to fuel delivery and ignition timing for optimal performance under varying conditions.

In turbocharged or supercharged engines, the Air Intake Manifold may also incorporate components such as intercoolers. These intercoolers cool the compressed air before it enters the manifold, increasing its density and thus improving engine efficiency and power output.

Overall, the Air Intake Manifold, part 3965962, plays a significant role in ensuring that the engine receives the right amount of air, at the right temperature, and mixed properly with fuel for efficient and powerful operation.

Conclusion

The Cummins 3965962 Air Intake Manifold is a critical component in the engine systems of heavy-duty trucks. Its design and features contribute to improved engine performance, efficiency, and reliability. Proper installation, maintenance, and understanding of its role in the engine system are essential for maximizing the benefits of this part.


  1. Drozdziel, P. (2023). The Vehicle Diesel Engine Startup Process Operational and Environmental Aspects. Routledge.

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

  3. Barton, D. C., & Fieldhouse, J. D. (2009). Automotive Chassis Engineering Powertrain Chassis System and Vehicle Body. Elsevier.

SPECIFICATIONS

Package Dimensions
64.9 x 21.4 x 24.0 in
Weight
2.85 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.