4955963 HE221W Turbocharger Replacement for Cummins ISB4.5E3185B
Aftermarket 4955963 HE221W turbocharger for Cummins ISB4.5E3185B engines. Reference application includes KAMAZ 4308 and PAZ 3204/3237. Verify part number and OEM reference 4043971 before ordering.
Orders without stock ship approximately 60 days after ordering. Estimated ship date if ordered today: .
This 4955963 HE221W turbocharger is an aftermarket replacement unit designed for Cummins ISB4.5E3185B engines. It serves as a reference application for KAMAZ 4308 trucks and PAZ 3204/3237 buses, supporting B2B buyers who require verified fitment for these specific commercial vehicle platforms.
Key Specifications
- Part Number: 4955963
- Product Type: Turbocharger
- Turbo Model: HE221W
- OEM Reference: 4043971
- Packing Dimensions: 21 x 23 x 26 cm
- Gross Weight: 8 kg
- Image Availability: Not provided
These specifications support initial identification and logistics planning. Verify the OEM reference 4043971 against your vehicle documentation to ensure the HE221W configuration matches your specific engine variant before proceeding with an order.
Application & Compatibility
Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:
- KAMAZ > 4308 > 4308 Truck > CUMMINS ISB4.5E3185B > 4ISBE185B
- PAZ > 3204; 3237 > 3204; 3237 Bus > CUMMINS ISB4.5E3185B > 4ISBE185B
This HE221W turbocharger is listed for Cummins ISB4.5E3185B engines in KAMAZ 4308 trucks and PAZ 3204/3237 buses. Use these application paths as reference clues to verify fitment against your specific vehicle documentation.
- KAMAZ 4308 Truck: Cummins ISB4.5E3185B / 4ISBE185B
- PAZ 3204; 3237 Bus: Cummins ISB4.5E3185B / 4ISBE185B
Confirm the engine code, production year, and OEM reference 4043971 before ordering. Regional market versions may affect turbo configuration, so verify that the HE221W unit matches your specific emission-standard variant.
Technical Notes
The HE221W turbocharger is a fixed-geometry unit commonly associated with Cummins ISB4.5E3185B engines. This configuration supports the 4ISBE185B engine code found in KAMAZ 4308 trucks and PAZ 3204/3237 buses. Emission standards can influence turbo specifications, so verify that the HE221W design matches your specific regional variant. Cross-check the OEM reference 4043971 against your vehicle documentation to confirm the correct turbine and compressor housing configuration. This verification step helps ensure the replacement unit aligns with your engine's operational requirements.
B2B Supply
LeadTurbo supports B2B buyers with volume pricing and worldwide shipping for the 4955963 HE221W turbocharger. Our team provides technical fitment support to help verify part number 4955963, engine code ISB4.5E3185B, and OEM reference 4043971 against your specific KAMAZ 4308 or PAZ 3204/3237 vehicle documentation. This service helps confirm that the replacement unit matches your operational requirements before shipment. For inquiries regarding bulk orders or specific regional emission variants, contact our technical support team to review your application details and ensure accurate part selection.
Product FAQ
4308 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 4308.
Compatibility Verify part number 4955963, engine code ISB4.5E3185B/4ISBE185B, vehicle application (KAMAZ 4308 or PAZ 3204/3237), production year, and OEM reference 4043971 before ordering. Confirm turbo configuration matches your unit.
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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.
