CUMMINS 3788939 Vgt Turbocharger Actuator 300VG 351VE

( Brand: Cummins ), ( Manufacturer Part Number: 3788939 ), ( Type: Turbocharger Actuator ), ( Manufacturer Warranty: 1 Month ), ( Color: Silver ), ( Vintage Part: No ), ( Country Of Origin: United States )

Review CUMMINS Genuine Vgt Turbocharger Electronic Actuator

The Cummins VGT Turbocharger Actuator 300VG 351VE is a crucial component of Cummins engine systems, designed to enhance the performance and efficiency of your engine. This actuator is specifically engineered for use in Cummins ISX15 and ISX24 engines with serial numbers starting from 30000 and 35100, respectively.

Measuring approximately 10.9 inches in length, 3.3 inches in width, and 5.5 inches in height, this actuator is meticulously crafted from high-grade materials to ensure durability and reliability under the most demanding operating conditions. The actuator body is made of robust cast aluminum, while the diaphragm is constructed from a heat-resistant elastomer material.

The Cummins VGT Turbocharger Actuator 300VG 351VE operates via a 300-volt electric motor, which delivers swift and precise response to engine demands. This sophisticated design enables the actuator to control the position of the turbocharger's variable geometry turbine (VGT) vanes, optimizing exhaust gas flow and boost pressure for improved engine performance across the entire RPM range.

Incorporating advanced features like a built-in pressure sensor and a thermal switch, this actuator ensures optimal performance and longevity. The pressure sensor continuously monitors the actuator's operating pressure, while the thermal switch prevents overheating by shutting off the motor when temperatures reach a predetermined threshold.

The Cummins VGT Turbocharger Actuator 300VG 351VE comes with a wiring harness and necessary mounting hardware for easy installation. It is essential to follow the provided instructions carefully to ensure proper installation and alignment with the engine's electrical and mechanical systems.

In summary, the Cummins VGT Turbocharger Actuator 300VG 351VE is an essential upgrade for your Cummins engine, delivering enhanced performance, improved efficiency, and prolonged engine life. With its robust design, advanced features, and straightforward installation process, this actuator is an indispensable component for any serious diesel engine enthusiast or commercial fleet operator.

Cummins VGT Turbocharger Actuator 3088939 (300VG 351VE): A Comprehensive Analysis

The Cummins 3788939 VGT turbocharger actuator, specifically the 300VG 351VE variant, is a crucial component in the efficient functioning of Cummins engines. This actuator plays a significant role in controlling the wastegate and variable geometry turbine. In this analysis, we will discuss the key features, advantages, and potential drawbacks of this turbocharger actuator.

Feature: Electronic Actuator

The Cummins 3788939 VGT turbocharger actuator is an electronic actuator, which means it is controlled by an electronic control module (ECM). This feature enables fine-tuning of the turbocharger's boost pressure and optimizes engine performance based on various driving conditions.

1. Improved Engine Performance: By providing precise control over the turbocharger's boost pressure, the electronic actuator ensures optimal engine performance and efficiency. It enhances power output and torque, especially during heavy-duty applications.

2. Enhanced Emissions Compliance: The fine-tuning capabilities of the electronic actuator help in maintaining optimal exhaust gas recirculation (EGR) rates, reducing nitrogen oxide (NOx) emissions and ensuring compliance with stringent emission regulations.

3. Durability: The Cummins VGT turbocharger actuator is designed for durability and longevity, with robust materials and advanced engineering that can withstand the rigors of heavy-duty applications.

1. Complexity and Cost: Being an electronic actuator, the Cummins 3788939 VGT turbocharger actuator is more complex than its mechanical counterparts. This complexity can lead to higher costs associated with installation, repair, and maintenance.

2. Dependence on ECM: As the actuator is electronic, it relies on the ECM for proper functioning. Any issues with the ECM can lead to malfunctions in the turbocharger actuator, resulting in performance losses and potential repair costs.

The Cummins 3788939 VGT turbocharger actuator (300VG 351VE) is a sophisticated component that offers significant advantages, such as improved engine performance, enhanced emissions compliance, and durability. However, it comes with potential disadvantages, including complexity, cost, and dependence on the ECM.

For heavy-duty applications that prioritize optimal engine performance, emissions compliance, and durability, the Cummins 3788939 VGT turbocharger actuator (300VG 351VE) is a recommended choice. However, it is essential to consider the associated costs and potential complexities in the installation, repair, and maintenance process. Regular maintenance and proper diagnostics can help mitigate the risks and ensure the long-term reliability and efficiency of this crucial engine component.

Details:

Product Name: VGT Turbocharger Electronic Actuator, condition: New, Part Number: 3788939, Brand: Cummins, Fit for Turbocharger: 351VE, 300VG, Engines: X15, ISL, ISC, ISX,: This actuator controls the turbochargers adjustable vane system, allowing turbo to adapt boost levels based on engine requirements. Proper actuator operation helps maintain efficient air delivery and steady engine performance across different driving conditions.

part #: 3788939 prices

• $360.00-$700.00

specifications turbiparts:

• brand: Cummins
• mpn: 3788939
• type: Turbocharger Actuator
• manufacturer warranty: 1 Month
• color: Silver
• vintage part: No
• country of origin: United States

general turbiparts:

• condition: New
• Air Fuel Delivery > Turbos, Superchargers Intercoolers > Turbos Parts

seller turbiparts:

• city: Spartanburg, South Carolina
• # reviews: 562
• rating: 99.3%

shipping turbiparts:

• carrier: UPS
• cost: $0.00
• service: UPS Ground, UPS 2nd Day Air, UPS Next Day Air
• type: Calculated
• class: Standard, Expedited, One-day
• transit: 4-10 Days

payments turbiparts:

• wallet: Apple-pay
• credit card: Visa
• other

returns turbiparts:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

offer turbiparts:

• options: Ship-to-home
• quantity: 1
• availability: In Stock
• sold: 0
• best offers: True
• started: March 7, 2026

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