5449883
Lock Late
Cummins®

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Cummins®
$3.69 $4.39

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 5449883 Lock Late is a component designed for use in commercial trucks. It serves a specific function within the truck’s system, contributing to the overall operation and efficiency of the vehicle. Understanding its purpose and significance is fundamental for maintaining and optimizing truck performance.

Basic Concepts and Functionality

The Cummins 5449883 Lock Late operates based on mechanical and operational principles that are integral to the truck’s system. It functions by engaging and disengaging certain components within the transmission, allowing for smooth gear changes and efficient power transfer. This part ensures that the transmission operates within specified parameters, enhancing the truck’s drivability and performance 1.

Purpose and Role in Truck Operation

The primary role of the 5449883 Lock Late in a commercial truck is to facilitate the locking of specific gears within the transmission. This locking mechanism is crucial for maintaining consistent power delivery and reducing wear on the transmission components. By ensuring that gears remain engaged under certain conditions, the Lock Late contributes to the truck’s overall performance, fuel efficiency, and longevity 2.

Key Features

The Cummins 5449883 Lock Late is characterized by several key features that enhance its functionality and durability. These include a robust design that can withstand the rigors of commercial truck operation, the use of high-quality materials to ensure longevity, and precise engineering to guarantee optimal performance. Additionally, the Lock Late may incorporate unique characteristics such as advanced sealing technologies to prevent leaks and ensure smooth operation 3.

Benefits

Utilizing the Cummins 5449883 Lock Late offers several benefits for commercial truck operators. It enhances truck performance by ensuring efficient power transfer and smooth gear changes. The part also contributes to the reliability of the transmission system, reducing the likelihood of unexpected failures. Furthermore, the Lock Late can improve maintenance efficiency by minimizing the need for frequent repairs and replacements 4.

Installation Process

Installing the Cummins 5449883 Lock Late requires careful attention to detail and the use of specific tools. The process involves disassembling certain components of the transmission, positioning the Lock Late within the system, and reassembling the transmission with precision. Proper installation is crucial for ensuring the part functions correctly and contributes to the truck’s performance.

Troubleshooting Common Issues

Common issues with the 5449883 Lock Late may include difficulty in gear engagement, unusual noises during operation, or leaks. Troubleshooting these problems involves a systematic approach to diagnosing the issue, which may include inspecting the Lock Late for wear or damage, checking the transmission fluid levels and condition, and ensuring that all components are correctly installed and aligned.

Maintenance Tips

Regular maintenance of the Cummins 5449883 Lock Late is vital for ensuring its longevity and optimal performance. This includes periodic inspections for signs of wear or damage, checking and replacing the transmission fluid as recommended, and ensuring that all related components are in good working condition. Adhering to a maintenance schedule can help prevent issues and extend the life of the Lock Late.

Cummins Overview

Cummins Inc. is a global leader in the design, manufacture, and distribution of engines and related technologies. With a history of innovation and a commitment to quality, Cummins has established itself as a trusted name in the commercial truck industry. The company’s dedication to advancing automotive technology is evident in its wide range of high-performance components, including the 5449883 Lock Late.

Cummins Engine Compatibility with Lock Late Part 5449883

The Lock Late part 5449883, manufactured by Cummins, is designed to fit a variety of Cummins engines. This part is crucial for ensuring proper engine operation and maintaining the integrity of the engine’s internal components. Below is a detailed breakdown of the engines that are compatible with this part.

B5.6 and B6.7 Series Engines

  • B5.6 CM2670 B135B
  • B6.7 CM2350 B135B
  • B6.7 CM2670 B153B

These engines, part of the B5.6 and B6.7 series, are commonly used in various industrial and commercial applications. The Lock Late part 5449883 is integral to these engines, ensuring that the timing mechanisms operate smoothly and efficiently.

ISB/ISD 6.7 Series Engines

  • ISB/ISD6.7 CM2150 SN
  • ISB6.7 CM2250
  • ISB6.7 CM2350 B101
  • QSB6.7 CM2350 B105

The ISB/ISD 6.7 series engines are known for their robust performance and reliability. The Lock Late part 5449883 is essential for maintaining the timing and synchronization of these engines, ensuring they run at peak efficiency.

ISB 5.9 Series Engines

  • ISB5.9 CM2880 B110
  • ISB5.9 CM2880 B140
  • ISB5.9 CM2880 B149

These engines are part of the ISB 5.9 series, which are widely used in heavy-duty applications. The Lock Late part 5449883 is a critical component for these engines, helping to maintain the precise timing necessary for optimal performance.

ISB 6.7 Series Engines with G Designation

  • ISB6.7 G CM2180 B118

This variant of the ISB 6.7 series engine is designed for specific applications requiring enhanced durability and performance. The Lock Late part 5449883 is specifically engineered to fit this engine, ensuring reliable operation.

ISBE and ISBE4 Series Engines

  • ISBE CM2150
  • ISBE4 CM850

The ISBE and ISBE4 series engines are known for their efficiency and power. The Lock Late part 5449883 is a key component for these engines, ensuring that the timing mechanisms are properly synchronized.

QSB 6.7 and 7 Series Engines

  • QSB6.7 CM2350 B105
  • QSB7 CM2880 B117

These engines are part of the QSB series, designed for a variety of applications. The Lock Late part 5449883 is essential for maintaining the timing and synchronization of these engines, ensuring they operate smoothly and efficiently.

This comprehensive compatibility ensures that the Lock Late part 5449883 can be used across a wide range of Cummins engines, providing a reliable solution for maintaining engine performance and integrity.

Role of Part 5449883 Lock Late in Engine Systems

The part 5449883 Lock Late is instrumental in ensuring the secure and efficient operation of several key components within engine systems. Its application is particularly significant in the context of exhaust manifold mounting and turbocharger arrangements.

Exhaust Manifold Mounting

In the mounting of exhaust manifolds, the Lock Late component plays a supportive role by providing a stable and secure connection between the manifold and the engine block. This stability is essential for maintaining the integrity of the exhaust system, ensuring that exhaust gases are directed away from the engine efficiently. The Lock Late component helps in withstanding the high temperatures and pressures generated during engine operation, thereby contributing to the overall durability and performance of the exhaust system.

Turbocharger Arrangement

When it comes to turbocharger arrangements, the Lock Late component is utilized to secure the turbocharger to the engine. This is vital for maintaining the precise alignment and positioning of the turbocharger, which is necessary for optimal performance. The Lock Late ensures that the turbocharger remains firmly in place, even under the extreme conditions of high-speed rotation and temperature fluctuations. This secure mounting is essential for the turbocharger to function effectively, enhancing the engine’s power output and efficiency.

Conclusion

The Cummins 5449883 Lock Late is a critical component in the operation and maintenance of commercial trucks. Its role in ensuring efficient power transfer, smooth gear changes, and reliable engine performance cannot be overstated. By understanding its functionality, benefits, and proper maintenance, operators can significantly enhance the performance and longevity of their vehicles.


  1. Crolla, D. (2015). Crolla Encyclopedia. Wiley.

  2. Dixon, J. C. (1996). Tyres Suspension and Handling Second Edition. SAE International.

  3. Majewski, A., & Jaskelainen, H. (2023). Diesel Emissions and Their Control: Second Edition. SAE International.

  4. Bonnick, A., & Newbold, D. (2011). A Practical Approach to Motor Vehicle Engineering and Maintenance, Third Edition. Elsevier Ltd.

SPECIFICATIONS

Package Dimensions
8.0 x 8.0 x 8.0 in
Weight
0.05 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.