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4043577 HX55WM Turbocharger Replacement for Cummins QSC8.3 Marine

Type Turbocharger Part # 4043577 Models HX55WM
Cross Reference 4043580
Show more cross references 4043580 4955500
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12-Month Warranty Worldwide Shipping OEM-Grade Quality

This 4043577 HX55WM turbocharger serves as an aftermarket replacement for Cummins QSC8.3 marine engines, including Marlin and Pegasus applications. Designed for B2B buyers and repair shops, it references OEM numbers 4043580 and 4955500 to help confirm fitment. Verify engine specifications and mounting details before ordering to ensure correct installation.

Key Specifications

This HX55WM turbocharger assembly is identified by part number 4043577. It serves as a replacement unit for Cummins QSC8.3 marine engines. The listing references OEM numbers 4043580 and 4955500 to assist with identification. Buyers should verify these reference numbers against their existing unit. This helps confirm the correct turbo model for Cummins Marlin and Pegasus applications. Always check mounting details and port configurations before finalizing your order.

Application & Compatibility

This HX55WM turbocharger is listed for Cummins QSC8.3 marine engines, including Marlin and Pegasus applications. Buyers should verify the specific engine configuration and mounting details before ordering. The unit references OEM numbers 4043580 and 4955500 to assist with identification. Confirm that your existing turbo matches these reference numbers. This helps ensure the correct replacement application for your marine vessel. Always check port configurations and physical dimensions against your current unit to avoid installation issues.

Technical Notes

This HX55WM turbocharger assembly is designed for marine engine applications. Buyers should verify oil feed and return port locations on the bearing housing to ensure proper lubrication. Check the compressor and turbine wheels for signs of foreign object damage (FOD) on the old unit. If debris is present, clean the intake and exhaust systems before installation. Confirm that water cooling port configurations match your Cummins QSC8.3 engine requirements. Technical fitment support is available to assist with specific marine vessel setups.

B2B Supply

LeadTurbo supports B2B buyers with volume pricing for the 4043577 HX55WM turbocharger. Worldwide shipping is available for marine engine replacement parts. Our team provides technical fitment support to help verify OEM reference numbers 4043580 and 4955500. Contact us to confirm specifications for your Cummins QSC8.3 application. We assist repair shops and distributors in identifying the correct replacement unit. Ensure all details match your vessel requirements before finalizing your order.

Product FAQ

This unit is associated with OEM reference numbers 4043580 and 4955500. Buyers should verify these numbers against their existing unit to confirm fitment for Cummins QSC8.3 applications.

Inspect the oil feed and return ports on the HX55WM housing for blockages or debris before installation. Ensure the ports align with your engine's oil supply lines to prevent lubrication failure.

Check the compressor and turbine wheels of the old unit for chips or cracks. If FOD is present, clean the intake and exhaust systems thoroughly before installing the 4043577 replacement to avoid damage.

Verify that the water cooling port configuration on the HX55WM housing matches your Cummins QSC8.3 engine's coolant lines. Consult technical fitment support if your application requires specific cooling connections.

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.

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Turbochargers

Complete Turbo Units

Complete turbo units designed for rigorous heavy-duty use where OEM units may fall short.

CHRA Core

CHRA / Core Assemblies

Brand-new compatible CHRA cores — like-new performance at a fraction of replacement cost.

Turbine Wheel

Turbine Wheels & Shafts

Precision-balanced turbine shafts engineered from inside out for superior durability.

Turbine Housing

Turbine Housings

Silicon-molybdenum (Si-Mo) nodular cast iron — engineered for extreme heat resistance.

Compressor Housing

Compressor Housings

OEM-matched geometry and surface finish — advanced casting and machining for perfect fitment.

Bearing Housing

Bearing Housings

Rock-solid platform engineered for high-output rebuilds — the foundation for performance.

Compressor Wheels

Compressor Wheels

Aluminum, stainless steel, or titanium alloys — precision machined for superior responsiveness.