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3521443 ST50 Turbocharger Core for CUMMINS VT8 Marine Engines

Aftermarket 3521443 ST50 turbo core for CUMMINS VT8 marine engines. Reference application includes Hatteras 53 Motor Yacht. Verify part number and engine configuration before ordering.

Orders without stock ship approximately 60 days after ordering. Estimated ship date if ordered today: .

Type Core On backorder — orders accepted Part # 3521443 Models ST50
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12-Month Warranty Shipping to Canada only. OEM-Grade Quality

This aftermarket 3521443 ST50 turbo core is a replacement component for CUMMINS VT8 marine engines, with a reference application for Hatteras 53 Motor Yacht systems. Verify part number, engine configuration, and specific turbo setup before ordering to ensure correct fitment for your marine application.

Key Specifications

The 3521443 ST50 core is an aftermarket replacement component for CUMMINS VT8 marine engines. This CHRA assembly serves as a reference application for Hatteras 53 Motor Yacht systems. Verify the specific turbo configuration and engine serial number before ordering to ensure correct fitment. No OEM reference numbers are provided for this part, so cross-reference the stamped part number on your existing turbocharger. Confirm the ST50 model designation matches your marine engine documentation. Technical fitment support is available to assist with verification.

Application & Compatibility

Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:

  • Hatteras Yachts > 53 Motor Yacht > 53 Motor Yacht Marine > Motor yacht > CUMMINS VT8

This ST50 core is listed for CUMMINS VT8 marine engines, with a reference application for Hatteras 53 Motor Yacht systems. Verify the specific engine code and turbo configuration against your vessel's documentation before ordering. Cross-reference part number 3521443 with the stamped numbers on your existing turbocharger to confirm the correct variant. Technical fitment support is available to assist with application verification for marine repair shops and distributors.

Technical Notes

The ST50 core assembly is a critical rotating component for CUMMINS VT8 marine engines. Buyers should verify the specific turbo configuration and engine serial number against their vessel's documentation. No OEM reference numbers are provided for this part, so cross-reference the stamped part number 3521443 on your existing turbocharger to confirm the correct variant. Technical fitment support is available to assist with application verification for marine repair shops and distributors.

B2B Supply

LeadTurbo supports B2B buyers, marine repair shops, and distributors with volume pricing for the 3521443 ST50 core. Worldwide shipping is available for this aftermarket replacement component. Our technical fitment support team can assist in verifying part number 3521443 against your specific CUMMINS VT8 engine documentation and Hatteras 53 Motor Yacht application. Contact us to confirm the correct ST50 configuration before placing an order. We provide pre-shipment inspection and quality control for all core assemblies to ensure replacement reliability.

Product FAQ

This core is a reference application for CUMMINS VT8 engines, specifically noted for Hatteras 53 Motor Yacht marine systems. Verify your specific engine serial number and turbo configuration before ordering.

Cross-reference part number 3521443 with your existing turbocharger's stamped numbers and engine code. Contact our technical support to verify the specific ST50 configuration matches your marine application.

Inspect the core for bearing play and shaft rotation freedom before installation. Ensure all mounting surfaces are clean and torque fasteners to manufacturer specifications to prevent leaks.

Yes, we offer technical fitment support for aftermarket replacements. Our team can help verify part number 3521443 against your specific CUMMINS VT8 engine documentation.

53 Motor Yacht 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 53 Motor Yacht.

Compatibility Verify part number 3521443, CUMMINS VT8 engine code, Hatteras 53 Motor Yacht application, and specific turbo configuration before ordering. This is an aftermarket replacement application; confirm fitment with your technical team.

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Frequently Asked Questions

What types of turbocharger spare parts do you offer? Warranty, shipping, quality and more.

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.

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