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4048394 HX52 Turbocharger Replacement

Type Turbocharger Part # 4048394 Models HX52
Cross Reference 21037928
Show more cross references 21037928 3790520 4048395
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12-Month Warranty Worldwide Shipping OEM-Grade Quality

This LeadTurbo 4048394 HX52 turbocharger is an aftermarket replacement unit designed for specific engine applications. It serves as a direct substitute for OEM reference numbers 21037928, 3790520, and 4048395. Buyers should verify part number, engine code, and vehicle application details before ordering to ensure proper fitment and operational reliability.

Key Specifications

This HX52 turbocharger assembly is identified by part number 4048394. It serves as an aftermarket replacement for units referenced by OEM numbers 21037928, 3790520, and 4048395. The unit is designed to restore boost pressure and engine efficiency in specific applications. Buyers should confirm the turbo model and housing configuration match their engine requirements. Verify all reference numbers against your vehicle's service manual before ordering to ensure correct installation and operational reliability.

Application & Compatibility

This HX52 turbocharger is listed for replacement applications associated with OEM reference numbers 21037928, 3790520, and 4048395. These references help identify the correct unit for specific engine setups but do not confirm universal fitment. Buyers must verify the part number 4048394 against their vehicle's service manual. Confirm the turbo model and housing configuration match your engine requirements before ordering to ensure proper installation and operational reliability.

Technical Notes

The HX52 turbocharger assembly requires careful handling to maintain internal clearances and bearing integrity. Inspect the compressor and turbine wheels for foreign object damage or excessive play before installation. Ensure all mounting surfaces are clean and free of debris to prevent oil leaks or boost loss. Verify that the actuator related hardware moves freely and returns to its default position. Proper installation torque and sealant application are critical for long-term reliability. Consult technical fitment support if your application involves modified engine components or non-standard piping configurations.

B2B Supply

LeadTurbo supports B2B buyers with volume pricing for the 4048394 HX52 turbocharger replacement. Worldwide shipping is available for distributors, repair shops, and fleet parts buyers. Technical fitment support helps verify part number 4048394 against OEM references 21037928, 3790520, and 4048395. Contact our team to confirm application details and secure competitive rates for bulk orders.

Product FAQ

This unit is associated with OEM reference numbers 21037928, 3790520, and 4048395. Use these numbers to help confirm fitment for your specific engine application.

For twin-turbo or bi-turbo systems, verify if you need a single unit or a matched pair. Check the specific turbo model HX52 and part number 4048394 against each engine bank's requirements.

Inspect the bypass valve mechanism on the HX52 turbocharger for smooth operation before installation. Ensure the valve spring and housing are free of debris to maintain proper boost control.

Confirm that the thrust bearing in the 4048394 replacement matches the load requirements of your engine. Consult technical fitment support to verify bearing specifications for high-stress applications.

OTHER 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 OTHER.

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Frequently Asked Questions

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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.