4963843
Exhaust Manifold
Cummins®

AVAILABLE

Cummins®

3 are currently available

Ships within 2-4 business days

$699.95 $832.94

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

Understanding The Cummins Exhaust Manifold Part #4963843

Introduction To Exhaust Manifolds

An exhaust manifold is a critical component in the engine’s exhaust system, responsible for collecting exhaust gases from the engine’s cylinders and directing them into the exhaust pipe. This component plays a pivotal role in the engine’s performance, efficiency, and emissions control. For engineers and mechanics, a thorough understanding of its function and importance is essential to ensure optimal engine operation and longevity 1.

The Role Of The Cummins Exhaust Manifold Part #4963843

The Cummins Exhaust Manifold Part #4963843 is specifically engineered for use in heavy-duty trucks and commercial vehicles. Its primary function is to efficiently collect exhaust gases from the engine’s cylinders and channel them into the exhaust system. This part is integral to the engine’s operation, ensuring optimal performance and efficiency. The design and material quality of this manifold contribute significantly to the overall engine health and efficiency 2.

How The Cummins Exhaust Manifold Part #4963843 Works

The Cummins Exhaust Manifold Part #4963843 operates through a series of pipes or tubes that collect exhaust gases from the engine’s cylinders. These gases are then directed into a single exhaust pipe, which leads to the exhaust system. The manifold’s design ensures that the exhaust gases flow smoothly and efficiently, reducing back pressure and improving engine performance. This efficient flow is crucial for maintaining engine power and fuel efficiency, especially in heavy-duty applications 3.

Importance Of The Cummins Exhaust Manifold Part #4963843 In Truck Operations

In commercial trucks, the exhaust manifold is crucial for maintaining engine performance and efficiency. A well-functioning exhaust manifold ensures that exhaust gases are expelled efficiently, reducing back pressure and improving engine power. This is particularly important for heavy-duty trucks, where engine performance directly impacts fuel efficiency and overall operational costs. Efficient exhaust flow also contributes to lower emissions, aligning with environmental regulations and standards 4.

Troubleshooting And Maintenance Of The Cummins Exhaust Manifold Part #4963843

Regular maintenance and timely troubleshooting are essential for ensuring the longevity and performance of the Cummins Exhaust Manifold Part #4963843. Here are some key maintenance tips:

  1. Regular Inspections: Inspect the manifold for cracks, leaks, or signs of wear. Any damage can lead to reduced performance and increased emissions.
  2. Cleaning: Keep the manifold clean to prevent the buildup of carbon deposits, which can impede exhaust flow and reduce efficiency.
  3. Gasket Replacement: Replace gaskets as needed to ensure a tight seal and prevent leaks.
  4. Bolt Tightening: Regularly check and tighten the bolts that secure the manifold to the engine to prevent loosening over time.

Cummins: A Leader In Engine Manufacturing

Cummins is a renowned manufacturer of engines and related components for commercial vehicles. Known for its durability, reliability, and performance, Cummins engines are a preferred choice for heavy-duty trucks and commercial applications. The Cummins Exhaust Manifold Part #4963843 is a testament to the company’s commitment to quality and innovation. Cummins’ reputation for excellence ensures that their components, including the exhaust manifold, meet the highest standards of performance and reliability.

Compatibility and Installation

The Exhaust Manifold 4963843 is designed for easy installation and compatibility with both ISM CM876 and QSM11 CM876 engines. Proper installation is crucial for maintaining the performance and longevity of the engine. Technicians should ensure that all gaskets and seals are correctly installed to prevent leaks and maintain the integrity of the exhaust system.

Performance Benefits

Using the Exhaust Manifold 4963843 in these engines can lead to several performance benefits, including:

  • Improved exhaust flow
  • Enhanced engine efficiency
  • Reduced back pressure
  • Better overall engine performance

Maintenance Considerations

Regular maintenance of the Exhaust Manifold 4963843 is essential to ensure it continues to function correctly. This includes checking for cracks, leaks, and ensuring that all bolts and fasteners are tight. Cummins recommends periodic inspections to maintain the integrity of the manifold and the overall exhaust system.

Integration with Engine Arrangement

In the engine arrangement, the Exhaust Manifold part 4963843 serves as a pivotal link between the engine’s cylinders and the exhaust system. It collects exhaust gases from multiple cylinders and channels them into a single path. This consolidation enhances the flow efficiency of exhaust gases, reducing backpressure and allowing the engine to operate more smoothly. The design of the manifold also plays a role in thermal management, helping to dissipate heat away from the engine block and cylinders.

Interaction with Turbocharger

When paired with a turbocharger, the Exhaust Manifold part 4963843 becomes even more significant. The manifold directs the exhaust gases towards the turbocharger, providing the necessary energy to spin the turbine. This, in turn, drives the compressor side of the turbocharger, increasing the intake air pressure and density. The efficient transfer of exhaust gases ensures that the turbocharger operates optimally, enhancing overall engine performance and power output.

Conclusion

The Cummins Exhaust Manifold Part #4963843 is a vital component in the engine’s exhaust system, ensuring efficient exhaust gas flow and optimal engine performance. Understanding its function, importance, and maintenance requirements is crucial for engineers, mechanics, truck drivers, and fleet operators. By adhering to regular maintenance practices and promptly addressing any issues, the longevity and efficiency of this component can be ensured, contributing to the overall performance and reliability of commercial trucks.


  1. Daniel E. Williams, PhD, PE, Generalized Vehicle Dynamics, SAE Technical Documents

  2. Tigran Parikyan, Advances in Engine and Powertrain Research and Technology, Springer Nature Switzerland AG, 2022

  3. Frederick F. Ling, Giancarlo Genta, Lorenzo Morello, The Automotive Chassis

  4. Michael Hilgers, Commercial Vehicle Technology

SPECIFICATIONS

Package Dimensions
13.25 x 8.8 x 8.125 in
Weight
10.5 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.