Click image to zoom
HE221W Actuator FOR 4040552 AC for Cummins QSB Replacement
Show more cross references
FOR 4033243 AC FOR 4040203 AC FOR 4040204 AC FOR 4040553 AC FOR 4040554 AC FOR 4040555 AC FOR 4042674 AC FOR 4043944 AC FOR 4043945 AC FOR 4044884 AC FOR 4044887 AC FOR 4955266 AC FOR 4955272 AC FOR 4955273 AC FOR 4955721 AC FOR 4955725 ACSubtotal: US$ 15.00
Send an InquiryThis HE221W Actuator (Part No: FOR 4040552 AC) is an aftermarket replacement component designed for Cummins QSB engine applications. It serves as a reference replacement for OEM part numbers including 4033243 AC and 4040203 AC, providing a functional solution for turbocharger control systems in commercial and industrial settings.
Key Specifications
- Part Number: FOR 4040552 AC
- Product Type: Actuator
- Turbo Model: HE221W
- Gross Weight: 0.8 kg
- Reference OEM Numbers: 4033243 AC, 4040203 AC, 4040552 AC, 4042674 AC, 4955266 AC
- Application Clue: Cummins QSB (Tier 3)
Application & Compatibility
This actuator is listed for replacement application in HE221W turbocharger systems associated with Cummins QSB engines. The OEM reference numbers provided (e.g., 4040203 AC, 4040553 AC, 4040554 AC, 4040555 AC, 4042674 AC, 4043944 AC, 4043945 AC, 4044884 AC, 4044887 AC, 4955266 AC, 4955272 AC, 4955273 AC, 4955721 AC, 4955725 AC) are for verification purposes only. Buyers must verify the engine code, vehicle model, production year, and specific turbocharger configuration before ordering. Fitment is not guaranteed across all variants; technical confirmation is recommended to ensure correct application.
Technical Notes
The actuator is a critical component for controlling exhaust gas flow and boost pressure in the HE221W turbocharger system. Ensure that mechanical mounting points and electrical connectors (if applicable) match your specific application. Do not assume automatic compatibility with all Cummins QSB engine variants without prior verification. Consult technical support for integration details regarding intake or exhaust system connections.
B2B Supply
We offer volume pricing for repair shops, distributors, and fleet parts buyers. Worldwide shipping is available for this aftermarket replacement actuator. Our team provides technical fitment support to help verify reference numbers and application details. Contact us for custom quotes and logistical details for bulk orders.
Product FAQ
For More Information
Frequently Asked Questions
What types of turbocharger spare parts do you offer? Warranty, shipping, quality and more.
Complete Turbo Units
Complete turbo units designed for rigorous heavy-duty use where OEM units may fall short.
CHRA / Core Assemblies
Brand-new compatible CHRA cores — like-new performance at a fraction of replacement cost.
Turbine Wheels & Shafts
Precision-balanced turbine shafts engineered from inside out for superior durability.
Turbine Housings
Silicon-molybdenum (Si-Mo) nodular cast iron — engineered for extreme heat resistance.
Compressor Housings
OEM-matched geometry and surface finish — advanced casting and machining for perfect fitment.
Bearing Housings
Rock-solid platform engineered for high-output rebuilds — the foundation for performance.
Compressor Wheels
Aluminum, stainless steel, or titanium alloys — precision machined for superior responsiveness.
