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4040552 AC Turbocharger Actuator for Cummins QSB
Aftermarket FOR 4040552 AC actuator for HE221W turbochargers on Cummins QSB engines. Verify OEM reference numbers and engine application before ordering.
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: CA$ 21.18
Send an InquiryThis aftermarket FOR 4040552 AC actuator is a replacement component for HE221W turbochargers on Cummins QSB engines in Tier 3 truck applications. It serves as a technical fitment solution for B2B buyers requiring specific OEM reference verification before ordering.
Key Specifications
- Part Number: FOR 4040552 AC
- Product Type: Turbocharger Actuator
- Turbo Model: HE221W
- Application Clue: Cummins QSB engines, Tier 3 truck applications
- Gross Weight: 0.8 kg
- Packing: N/A
- OEM Reference Numbers: 16 associated references, including FOR 4033243 AC, FOR 4040203 AC, FOR 4040553 AC, FOR 4040554 AC, FOR 4040555 AC, and FOR 4042674 AC. Verify these numbers against your specific turbo configuration to confirm fitment.
Application & Compatibility
Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:
- CUMMINS > CUMMINS TRUCK TIER 3 > CUMMINS QSB
This actuator is listed for Cummins QSB engines in Tier 3 truck applications. It is associated with the HE221W turbo model and serves as a replacement application for buyers verifying specific engine codes. The part is linked to 16 OEM reference numbers, including FOR 4033243 AC, FOR 4040203 AC, and FOR 4040553 AC. Use these references to cross-check against your existing turbo configuration. Verify the part number, engine model, and production year before ordering to ensure the correct actuator variant is selected for your specific fleet or repair needs.
Technical Notes
The HE221W turbo model is associated with variable-geometry turbine designs, where the actuator controls turbo details to manage boost pressure. During installation, verify that the VNT mechanism moves freely without seizing before mounting the actuator. Confirm the actuator's mechanical related hardware aligns with the vane control arm. Check for any binding in the vane assembly to ensure stable operation. Verify the specific turbo configuration and vane type for your Cummins QSB engine application before finalizing the replacement.
B2B Supply
LeadTurbo supports B2B buyers with volume pricing tiers for bulk orders of the FOR 4040552 AC actuator. Worldwide shipping is available to ensure timely delivery for repair shops and fleet operations. Our team provides technical fitment support to help verify OEM reference numbers and engine applications before you place an order. Contact us for specific quotes or to confirm the correct actuator variant for your Cummins QSB setup.
Product FAQ
CUMMINS and other product, brand and model names are the property of their respective owners and are used for reference and application-lookup only. LeadTurbo is not affiliated with or endorsed by CUMMINS.
Compatibility Verify part number, engine code, vehicle application, production year, and OEM reference numbers before ordering. This is an aftermarket replacement application; confirm fitment with your specific turbo configuration.
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