5261421
Exhaust Manifold Gasket
Cummins®

AVAILABLE

Cummins®

1 is currently available

Ships within 2-4 business days

$13.95 $16.60

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 Exhaust Manifold Gasket 5261421, manufactured by Cummins, is a component designed to facilitate the operation of commercial trucks. This gasket serves a specific purpose within the engine system, ensuring the efficient transfer of exhaust gases from the engine to the exhaust system. Cummins, a well-established manufacturer in the diesel engine and component industry, produces this gasket to meet the demanding requirements of commercial truck applications 1.

Basic Concepts of Exhaust Manifold Gaskets

An Exhaust Manifold Gasket functions as a seal between the engine’s exhaust manifold and the exhaust pipe. Its primary role is to prevent the escape of exhaust gases, ensuring they are directed efficiently through the exhaust system. This gasket operates under high temperatures and pressures, making its material and design critical for maintaining a secure seal and protecting the engine system from potential damage due to leaks 2.

Role of the Exhaust Manifold Gasket 5261421 in Truck Operation

The Exhaust Manifold Gasket 5261421 plays a significant role in the operation of a truck by contributing to efficient exhaust flow. It ensures that exhaust gases are channeled effectively from the engine to the exhaust system, which is vital for maintaining engine performance and reducing emissions. By providing a reliable seal, this gasket helps in minimizing the risk of exhaust leaks, which can lead to decreased engine efficiency and increased emissions. Its proper function is integral to the overall performance and longevity of the truck’s engine 3.

Key Features

The Exhaust Manifold Gasket 5261421 is characterized by its material composition and design, which are tailored to withstand the extreme conditions within the engine compartment. Made from high-temperature resistant materials, this gasket is designed to endure the thermal and mechanical stresses it encounters. Its unique attributes, such as precise fitting and durable construction, enhance its performance and contribute to its longevity in demanding commercial truck applications 4.

Benefits

The use of the Exhaust Manifold Gasket 5261421 offers several benefits, including improved engine efficiency through effective exhaust gas management. By ensuring a secure seal, it reduces the risk of exhaust leaks, which can otherwise lead to engine performance issues. Additionally, its durable construction contributes to the overall reliability and performance of the vehicle, making it a valuable component in the maintenance and operation of commercial trucks 5.

Troubleshooting and Maintenance

Common issues with Exhaust Manifold Gaskets may include leaks due to wear, damage, or improper installation. Troubleshooting these problems involves inspecting the gasket for signs of wear or damage and ensuring it is correctly installed. Regular maintenance, such as checking the condition of the gasket during routine engine inspections, can help prevent issues and ensure the gasket continues to perform its function effectively. Replacing the gasket when signs of wear are detected is recommended to maintain engine efficiency and prevent potential damage .

Compatibility with Various Engine Models

The Exhaust Manifold Gasket 5261421 is compatible with several engine models, providing a reliable fit across different configurations. Below is a detailed overview of its compatibility with the specified engines:

Compatible Engines

  • F2.8 CM2620 F135B
  • ISF2.8 CM2220 F117
  • ISF2.8 CM2220 F129
  • QSF2.8 CM2880 F104
  • QSF2.8 CM2880 F105
  • QSF2.8 CM2880 F108
  • QSF2.8 CM2880 F114
  • R2.8 CM2220 R101B

Grouping by Engine Series

The compatibility of the Exhaust Manifold Gasket 5261421 can be grouped based on the engine series for better understanding:

  • F2.8 Series

    • F2.8 CM2620 F135B
  • ISF2.8 Series

    • ISF2.8 CM2220 F117
    • ISF2.8 CM2220 F129
  • QSF2.8 Series

    • QSF2.8 CM2880 F104
    • QSF2.8 CM2880 F105
    • QSF2.8 CM2880 F108
    • QSF2.8 CM2880 F114
  • R2.8 Series

    • R2.8 CM2220 R101B

This gasket is engineered to meet the specific sealing requirements of each engine model, ensuring optimal performance and longevity.

Conclusion

The Exhaust Manifold Gasket 5261421 is a critical component in the sealing mechanism of various engine systems. Its primary function is to create a tight seal between the exhaust manifold and the engine block or cylinder head, ensuring the efficient transfer of exhaust gases and maintaining engine performance. The gasket’s compatibility with various engine models and its durable construction make it a valuable component in the maintenance and operation of commercial trucks. Regular maintenance and timely replacement of the gasket are essential to ensure optimal engine efficiency and longevity.


  1. Taghavifar, H., & Mardani, A. (2017). Offroad Vehicle Dynamics Analysis Modelling and Optimization. Springer.

  2. Berns, K., Dressler, K., Fleischmann, P., Grges, D., Kalmar, R., Sauer, B., Stephan, N., Teutsch, R., & Thul, M. (2018). Proceedings of the 5th Commercial Vehicle Technology Symposium CVT. Springer.

  3. Dixon, J. (2010). Modern Diesel Technology Preventive Maintenance and Inspection. Delmar Cengage Learning.

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

  5. Cummins Inc. (n.d.). Operation and Maintenance Manual. Bulletin Number 4021518.

SPECIFICATIONS

Package Dimensions
45.0 x 10.0 x 1.0 in
Weight
0.04 lb
* 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.