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4089821 HX55W Turbocharger Replacement for Cummins ISM
Aftermarket 4089821 HX55W turbocharger for Cummins ISM bus applications. Verify part number, engine, and OEM references 3777550, 4038532, or 4039196 before ordering.
Show more cross references
3777550 4038532 4039196Subtotal: US$ 268.00
Send an InquiryThis aftermarket 4089821 HX55W turbocharger is a replacement unit for Cummins ISM bus applications. It is listed for reference against OEM numbers 3777550, 4038532, and 4039196. Verify your specific engine code and vehicle application before ordering to ensure correct fitment.
Key Specifications
- Part Number: 4089821
- Product Type: Turbocharger
- Turbo Model: HX55W
- Application Clue: Cummins ISM bus engines
- OEM Reference Numbers: 3777550, 4038532, 4039196
- Packing Dimensions: 26 x 30 x 33 cm
- Gross Weight: 28 kg
These specifications help buyers verify physical dimensions and weight for logistics planning. Use the listed OEM reference numbers to cross-check against your existing unit or service documentation before confirming an order.
Application & Compatibility
Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:
- CUMMINS > CUMMINS BUS > CUMMINS ISM
This HX55W turbocharger is listed for Cummins ISM bus applications. It is associated with OEM reference numbers 3777550, 4038532, and 4039196. Use these numbers to cross-check against your existing unit or service documentation. Verify the specific engine code, production year, and vehicle application before ordering. Confirm the turbine housing flange type and bolt pattern match your current installation. Contact technical support for fitment confirmation if details are unclear.
Technical Notes
The HX55W is a large-displacement turbocharger model typically associated with heavy-duty diesel engines. For this 4089821 unit, verify the turbine housing flange type and bolt pattern against your existing installation or service documentation. Confirm the compressor housing A/R ratio matches the original specification to ensure proper airflow characteristics. Cross-check the OEM reference numbers 3777550, 4038532, and 4039196 to confirm the correct configuration for your Cummins ISM application. If any technical details are unclear, contact technical support for fitment verification before proceeding with an order.
B2B Supply
LeadTurbo supports B2B buyers, repair shops, rebuilders, and fleet parts distributors with volume pricing and worldwide shipping for the 4089821 HX55W turbocharger. Technical fitment support is available to help verify part number, engine code, and OEM reference numbers 3777550, 4038532, or 4039196 before ordering. Contact our team for bulk order quotes or to confirm application details for Cummins ISM bus engines.
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 4089821, Cummins ISM engine code, vehicle application, production year, and OEM reference numbers 3777550, 4038532, or 4039196 before ordering. Confirm turbo configuration and flange details with technical support.
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Frequently Asked Questions
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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.
