5550066
Speed Sensor Kit
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$399.95 $475.94

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

Introduction

The Cummins 5550066 Speed Sensor Kit is a component designed for use in commercial trucks. It serves to monitor and relay speed-related data within the vehicle’s systems. This kit is significant for maintaining optimal performance, safety, and efficiency in truck operations.

Basic Concepts of Speed Sensor Kits

A speed sensor kit typically includes sensors that detect the rotational speed of various components, such as wheels or the transmission. These sensors convert mechanical motion into electrical signals, which are then used by the vehicle’s electronic control unit (ECU) to make adjustments and provide data for various systems. Speed sensors are fundamental in automotive technology, playing roles in anti-lock braking systems (ABS), traction control, and transmission management 1.

Purpose of the Cummins 5550066 Speed Sensor Kit

The Cummins 5550066 Speed Sensor Kit is integral to the operation of a truck by providing accurate speed data to the vehicle’s systems. This data allows the ECU to make precise adjustments to engine performance, transmission shifting, and braking systems. By ensuring that these systems operate based on accurate speed information, the kit contributes to enhanced vehicle performance, improved safety through better control systems, and increased efficiency by optimizing engine and transmission operations 2.

Key Features

The Cummins 5550066 Speed Sensor Kit is characterized by its robust design and precise components. It includes sensors that are engineered to withstand the harsh conditions typical of commercial truck environments. The kit may feature components such as magnetic sensors, which detect changes in magnetic fields to measure speed, and signal conditioning circuits that ensure the accuracy and reliability of the data transmitted to the ECU. Unique attributes might include enhanced durability, resistance to environmental factors, and compatibility with a wide range of truck models 3.

Benefits

The advantages of the Cummins 5550066 Speed Sensor Kit include improved truck performance through precise speed data, which allows for optimized engine and transmission operations. It enhances fuel efficiency by enabling the ECU to make more informed decisions regarding fuel injection and transmission shifting. Additionally, the kit contributes to overall vehicle reliability by ensuring that safety-critical systems, such as ABS and traction control, operate based on accurate speed information 4.

Installation and Compatibility

Installing the Cummins 5550066 Speed Sensor Kit requires following specific guidelines to ensure proper integration with the truck’s systems. Compatibility with various truck models is a key consideration, and installers should refer to manufacturer guidelines for detailed instructions and requirements. Proper installation is crucial for the kit to function correctly and provide the intended benefits.

Troubleshooting and Maintenance

Common issues with speed sensors can include signal inaccuracies or sensor failure due to wear and tear. Troubleshooting may involve checking the sensor connections, inspecting the sensor for physical damage, and verifying the integrity of the signal path to the ECU. Maintenance recommendations include regular inspections of the sensors and connections, cleaning the sensors to remove any debris that might affect performance, and replacing sensors according to the manufacturer’s guidelines to ensure longevity and optimal performance.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and quality, Cummins has established a strong reputation in the commercial truck industry. The company is committed to advancing technology in automotive components, ensuring that their products meet the demanding requirements of commercial vehicle applications.

Kit Components of Cummins 5550066 Speed Sensor Kit

Hexagon Flange Head Cap Screw (3527184)

The Hexagon Flange Head Cap Screw is a fastening component within the Cummins 5550066 Speed Sensor Kit. Its primary role is to securely attach the turbocharger speed sensor to the designated mounting location on the turbocharger housing. The flange head design provides additional surface area for a more robust and stable connection, ensuring that the sensor remains firmly in place under operational conditions. This screw is essential for maintaining the integrity and accuracy of the speed sensor readings by ensuring a secure and vibration-resistant installation.

Wire Retaining Clip (3965616)

The Wire Retaining Clip serves a vital function in the organization and protection of the electrical connections within the Cummins 5550066 Speed Sensor Kit. This clip is designed to hold and secure the wiring harness that connects the turbocharger speed sensor to the engine’s electronic control unit (ECU). By keeping the wires neatly bundled and protected, the retaining clip helps prevent chafing, abrasion, and potential damage to the sensitive electrical components. This ensures reliable signal transmission and contributes to the overall durability and performance of the speed sensor system.

Turbocharger Speed Sensor (5462385)

The Turbocharger Speed Sensor is the core component of the Cummins 5550066 Speed Sensor Kit. This sensor is responsible for monitoring the rotational speed of the turbocharger. Accurate speed data is crucial for the engine’s ECU to make real-time adjustments to fuel delivery, ignition timing, and other parameters to optimize performance and efficiency. The turbocharger speed sensor ensures that the engine operates within safe parameters by providing precise feedback on turbocharger performance, thereby enhancing overall engine management and reliability.

Conclusion

The Cummins 5550066 Speed Sensor Kit plays a crucial role in the performance, safety, and efficiency of commercial trucks. By providing accurate speed data to the vehicle’s systems, it enables the ECU to make precise adjustments to engine performance, transmission shifting, and braking systems. The kit’s robust design, precise components, and compatibility with a wide range of truck models make it a valuable asset for maintaining optimal vehicle operations. Regular maintenance and proper installation are essential to ensure the longevity and optimal performance of this Cummins part.


  1. Goodnight, N., & Van Gelder, K. (2018). Automotive Braking Systems. Jones & Bartlett Learning.

  2. Pacejka, H. B. (2006). Tyre and Vehicle Dynamics. Butterworth-Heinemann.

  3. Sander, F. (2007). Diesel Mechanics, First Edition. Global Media.

  4. Han, Z. (2022). Simulation and Optimization of Internal Combustion Engines. SAE International.

SPECIFICATIONS

Package Dimensions
10.25 x 2.25 x 10.0 in
Weight
0.45 lb

BILL OF MATERIALS

Name Quantity Part Number
Hexagon Flange Head Cap Screw
Wire Retaining Clip
* 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.