Click image to zoom
4955725 HE221W Turbocharger Replacement for Cummins QSB Engines
Aftermarket 4955725 HE221W turbocharger for Cummins QSB Tier 3 and QSB5 G6 applications. Verify part number, engine code, and OEM references 4033243, 4043944, 4043945 before ordering.
Show more cross references
4033243 4043944 4043945Subtotal: CA$ 225.87
Send an InquiryThis aftermarket 4955725 HE221W turbocharger is a replacement unit for Cummins QSB Tier 3 and QSB5 G6 engines. It serves as an aftermarket replacement application for buyers verifying part number 4955725 against OEM reference numbers 4033243, 4043944, and 4043945.
Key Specifications
- Part Number: 4955725
- Product Type: Turbocharger
- Turbo Model: HE221W
- Application Clues: Cummins QSB Tier 3, Cummins QSB5 G6
- OEM Reference Numbers: 4033243, 4043944, 4043945
- Packing Dimensions: 23 x 21 x 26 cm
- Gross Weight: 8.43 kg
- Image Availability: High-resolution studio photography available
Use these specifications to cross-check your existing turbocharger or service manual. Verify that the HE221W model designation and the three listed OEM reference numbers align with your specific engine configuration before proceeding with an order.
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
- CUMMINS > Cummins Agricultural > Cummins Agricultural HMRO > Cummins QSB5 G6 TIER
This HE221W turbocharger is listed for Cummins QSB Tier 3 truck applications and Cummins QSB5 G6 agricultural engines. These application paths serve as reference clues for buyers to confirm fitment against their specific engine code and production year.
- Cummins Truck Tier 3: Verify alignment with QSB engine specifications.
- Cummins Agricultural HMRO: Cross-check QSB5 G6 Tier 3 service data.
Always verify part number 4955725 and OEM reference numbers 4033243, 4043944, and 4043945 against your vehicle's service manual before ordering. Do not assume universal compatibility across all Cummins series; confirm the exact turbo configuration matches your application.
Technical Notes
The HE221W turbocharger assembly features a two-part housing design with a cast iron lower section and a machined aluminum upper section. Visible components include a gold-colored actuator with an attached electrical cable, square mounting flanges with four bolt holes, and a central bearing housing secured by bolts and a clamp. Water jacket passages are visible on the cast housing, indicating cooling provisions. These visual details help buyers confirm the physical configuration matches their existing unit. Verify the actuator type and mounting pattern against your service manual before ordering.
B2B Supply
LeadTurbo supports B2B buyers, repair shops, and distributors with volume pricing and worldwide shipping for this 4955725 HE221W turbocharger. Technical fitment support is available to help verify part number 4955725, engine code, and OEM reference numbers 4033243, 4043944, and 4043945 before ordering. Confirm packing dimensions of 23 x 21 x 26 cm and gross weight of 8.43 kg align with your logistics requirements. Contact our team for quotation details and pre-shipment inspection options.
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 4955725, engine code, vehicle application, production year, and OEM reference numbers 4033243, 4043944, 4043945 before ordering. Confirm turbo configuration matches your specific Cummins QSB or QSB5 G6 setup.
Customer Reviews
Share installation notes, fitment feedback, or service experience for this product.
No customer reviews have been added for this product yet.
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.
