4992596
Electronic Fuel Control Actuator
Cummins®

The Electronic Fuel Control Actuator (4992596) by Cummins is a component designed to enhance the operation of commercial trucks. This actuator is integral to the fuel injection system, ensuring precise control over fuel delivery to the engine. Its significance lies in optimizing engine performance, improving fuel efficiency, and reducing emissions, thereby contributing to the overall efficiency and environmental compliance of commercial vehicles ².

Basic Concepts

Electronic Fuel Control Actuators are pivotal in modern fuel injection systems. They function by modulating the amount of fuel injected into the engine cylinders, based on signals from the engine control unit (ECU). This precise control over fuel delivery is crucial for maintaining optimal engine performance under varying operating conditions. The actuator responds to changes in engine load, speed, and other parameters, adjusting fuel injection timing and quantity accordingly ³.

Purpose and Role

The 4992596 Electronic Fuel Control Actuator serves a specific purpose within the truck’s fuel injection system. It plays a role in regulating fuel delivery to the engine, ensuring that the correct amount of fuel is injected at the right time. This precise control contributes to engine efficiency by optimizing combustion, which in turn enhances overall engine performance and fuel economy. Additionally, it helps in reducing emissions by ensuring that fuel is burned more cleanly and efficiently ¹.

Key Features

The 4992596 Electronic Fuel Control Actuator boasts several key features that make it suitable for use in Cummins engines. These include precision control over fuel injection, which allows for fine-tuning of engine performance. Durability is another notable feature, ensuring that the actuator can withstand the harsh operating conditions typical of commercial truck environments. Compatibility with Cummins engines is also a significant advantage, ensuring seamless integration and optimal performance ⁴.

Benefits

The benefits of using the 4992596 Electronic Fuel Control Actuator are manifold. Improved fuel efficiency is a primary advantage, as precise fuel control leads to more efficient combustion and reduced fuel consumption. Enhanced engine performance is another benefit, with the actuator contributing to smoother operation and increased power output. Additionally, reduced emissions are a notable outcome, as efficient combustion results in lower levels of pollutants being released into the atmosphere ².

Installation and Integration

Proper installation and integration of the 4992596 Electronic Fuel Control Actuator into Cummins engine systems are crucial for ensuring optimal performance. Compatibility considerations should be taken into account to ensure seamless integration with the existing fuel injection system. Recommended procedures for installation should be followed to avoid any issues and to ensure that the actuator functions as intended within the engine system ⁴.

Troubleshooting and Maintenance

Troubleshooting common issues related to the 4992596 Electronic Fuel Control Actuator may involve checking for proper electrical connections, ensuring that the actuator is receiving the correct signals from the ECU, and verifying that it is functioning within specified parameters. Maintenance practices to ensure optimal performance and longevity include regular inspection for signs of wear or damage, cleaning or replacing any filters associated with the fuel system, and ensuring that the actuator is properly lubricated if required ³.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality, reliability, and innovation in the commercial truck industry. Its product offerings include a wide range of engines and components designed to meet the demanding requirements of commercial vehicles, ensuring optimal performance, efficiency, and durability ⁴.

Cummins Electronic Fuel Control Actuator (Part 4992596)

The Cummins Electronic Fuel Control Actuator, part number 4992596, is a critical component in the management of fuel delivery for several Cummins engine models. This actuator is designed to precisely control the fuel injection process, ensuring optimal engine performance and efficiency. Below is a detailed description of how this part fits with various Cummins engines:

B6.7 Series

• B6.7 CM2350 B135B
• B6.7 CM2670 B153B
• B6.7 CM2250
• B6.7 CM2350 B101
• QSB6.7 CM2250
• QSB6.7 M CM2250

The B6.7 series engines, including models like B6.7 CM2350 B135B and B6.7 CM2670 B153B, benefit from the precise control offered by the 4992596 actuator. This part ensures that the engine’s fuel delivery is finely tuned, enhancing both performance and fuel economy.

ISB Series

• ISB CM2150
• ISB/ISD4.5 CM2150 B119
• ISB/ISD6.7 CM2150 SN
• ISB4.5 CM2350 B104
• ISB6.7 CM2250
• ISB6.7 CM2350 B101

The ISB series engines, such as ISB CM2150 and ISB/ISD4.5 CM2150 B119, rely on the 4992596 actuator for accurate fuel management. This component is essential for maintaining the balance between power output and fuel consumption, ensuring the engine operates efficiently under various conditions.

ISBE Series

• ISBE CM2150
• ISBE4 CM850

The ISBE series engines, including ISBE CM2150 and ISBE4 CM850, also utilize the 4992596 actuator. This part plays a crucial role in the electronic fuel control system, ensuring that the engine’s fuel delivery is optimized for both performance and efficiency.

QSB Series

• QSB4.5 CM2250 EC
• QSB6.7 CM2250
• QSB6.7 M CM2250

The QSB series engines, such as QSB4.5 CM2250 EC and QSB6.7 CM2250, incorporate the 4992596 actuator to manage fuel delivery effectively. This ensures that the engine maintains optimal performance while achieving the desired fuel efficiency.

The Cummins Electronic Fuel Control Actuator (Part 4992596) is a versatile and essential component that enhances the performance and efficiency of a wide range of Cummins engines. By providing precise control over fuel delivery, this actuator ensures that each engine operates at its best, regardless of the specific model or series.

Conclusion

The Electronic Fuel Control Actuator, part 4992596, is an essential component in the orchestration of fuel delivery within engine systems. Its role is to modulate the fuel flow in response to signals from the engine control unit (ECU), ensuring that the fuel pump delivers the precise amount of fuel required for optimal engine performance. This dynamic adjustment is vital for maintaining the engine’s efficiency, power output, and emissions levels. The actuator works in concert with the fuel pump, ensuring that the fuel is delivered at the correct pressure and volume, which is essential for the engine’s combustion process. The actuator’s ability to respond swiftly to the ECU’s commands allows for real-time adjustments, which is particularly important in modern engines that operate under a wide range of conditions.