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3522381 HT4C Turbocharger Heat Shield for Freightliner FLD NT444

Aftermarket 3522381 heat shield for HT4C turbochargers. Reference application for Freightliner FLD series (FLA86, FLD120) with Cummins NT444 engines. Verify part number and engine code before ordering.

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

Type Heat shield On backorder — orders accepted Part # 3522381 Models HT4C Packing N/A
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12-Month Warranty Worldwide shipping excluding Canada and China. OEM-Grade Quality

The 3522381 HT4C heat shield is an aftermarket replacement component designed for turbocharger applications on Freightliner FLD series trucks equipped with Cummins NT444 engines. This part serves as a thermal barrier for the turbocharger assembly, and buyers should verify the specific part number and engine code against their existing unit before ordering.

Key Specifications

  • Part Number: 3522381
  • Product Type: Turbocharger Heat Shield
  • Turbo Model: HT4C
  • Reference Application: Freightliner FLD series (FLA86, FLD120) with Cummins NT444 engines
  • Packing: N/A
  • Gross Weight: 0 kg
  • OEM Reference Numbers: Not provided in input data

Buyers should verify the part number 3522381 and turbo model HT4C against their existing unit. This component is a standalone thermal barrier, not a complete turbocharger assembly. Confirm the specific engine code and vehicle application before placing an order to ensure correct fitment for your Cummins NT444 setup.

Application & Compatibility

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

  • Freightliner > FLA > FLC > FLD series, including FLA86 and FLD120 > FLD series, including FLA86 and FLD120 Truck > CUMMINS NT444

This heat shield is listed for the Freightliner FLD series, including FLA86 and FLD120 models, equipped with Cummins NT444 engines. The application path serves as a reference clue for buyers to verify fitment against their specific vehicle configuration. Confirm the turbo model HT4C and part number 3522381 on your existing unit before ordering. If multiple variants are listed for the same engine, send casting numbers from the old unit to our technical team for fitment confirmation. This ensures the correct thermal barrier component is selected for your Cummins NT444 setup.

Technical Notes

The HT4C turbocharger is a common component in Cummins NT444 engine applications. This heat shield acts as a thermal barrier to protect the turbocharger assembly from underhood heat. Since no specific material grade or dimensional data is provided in the input, buyers should verify the physical dimensions and mounting details against their existing unit. For technical fitment support, our team can assist with verifying the part number 3522381 against your specific engine configuration. This ensures the correct thermal barrier component is selected for your Cummins NT444 setup.

B2B Supply

LeadTurbo supports B2B buyers, repair shops, and fleet parts distributors with volume pricing for 3522381 heat shields. Worldwide shipping is available for orders of this aftermarket replacement component. Our technical fitment support team can assist in verifying the HT4C turbo model and Cummins NT444 engine application against your specific Freightliner FLD unit. Contact us to confirm part number 3522381 and request a quote based on your required quantity.

Product FAQ

This part is a reference application for Freightliner FLD series trucks, including FLA86 and FLD120 models, equipped with Cummins NT444 engines. Verify your specific vehicle configuration before ordering.

Check the turbo model on your existing unit for HT4C and confirm the part number 3522381. If you have the old unit, send casting numbers to our technical team for fitment confirmation.

This is a standalone heat shield component, not a complete turbocharger assembly. It is used to protect the turbo from underhood heat. If the turbo core or wheels are damaged, a full CHRA or turbo replacement may be required.

Yes, volume pricing is available for B2B orders of 3522381 heat shields. Contact our sales team for a quote based on your required quantity and shipping destination.

FLA 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 FLA.

Compatibility Verify part number 3522381, turbo model HT4C, engine code Cummins NT444, and vehicle application (Freightliner FLD series) before ordering. This is a reference application; confirm fitment against your specific unit.

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Frequently Asked Questions

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

Turbine Housing

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Compressor Housing

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

Bearing Housing

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Compressor Wheels

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