Click image to zoom

448316-0021 GTA3782D Turbocharger Bearing Housing Replacement

Aftermarket bearing housing for GTA3782D turbochargers, part number 448316-0021. Reference application for Navistar. Verify engine code and OEM references before ordering.

Type Bearing housing Part # 448316-0021 Models GTA3782D Weight 2.50 kg Packing N/A
CA$ 49.41 / 1 pc(s)
Qty

Subtotal: CA$ 49.41

Send an Inquiry
12-Month Warranty Worldwide Shipping OEM-Grade Quality

This aftermarket 448316-0021 bearing housing is a replacement component for GTA3782D turbochargers, listed for reference application in Navistar vehicles. Verify the part number, engine code, and specific vehicle application before ordering to ensure correct fitment for your rebuild or replacement project.

Key Specifications

  • Part Number: 448316-0021
  • Product Type: Bearing housing
  • Turbo Model: GTA3782D
  • Application Clue: Navistar
  • Gross Weight: 2.5 kg
  • Packing: N/A
  • Image Availability: Yes

This section lists the core identification data for the 448316-0021 bearing housing. The gross weight of 2.5 kg assists with shipping calculations and inventory handling. No OEM reference numbers are currently listed for this specific part, so buyers should verify the part number against their specific engine and vehicle application. The product is available with high-resolution studio images showing the front, top, and bottom views of the cast metal housing.

Application & Compatibility

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

  • NAVISTAR

This bearing housing is listed for reference application in Navistar vehicles equipped with the GTA3782D turbocharger. As no specific OEM reference numbers are provided in the current data, buyers must verify part number 448316-0021 against their specific engine code and vehicle production year before ordering. The application path serves as a starting point for fitment confirmation rather than a confirmed match. Repair shops and fleet parts buyers should cross-check the turbo model and housing dimensions against their existing unit to ensure correct replacement application. Technical fitment support is available to assist with verification queries for this Navistar reference application.

Technical Notes

The GTA3782D is a turbocharger model associated with Navistar applications. This bearing housing supports the turbo shaft and maintains proper alignment between the compressor and turbine wheels. Visible features include a black cast metal body with a matte finish and a machined silver flange. The top view shows a central bore with internal threads and multiple threaded mounting holes arranged in a circular pattern. Buyers should inspect the mounting surface for casting defects and verify thread integrity before installation. Confirm that the housing dimensions match the existing turbocharger core to ensure stable operation during rebuild or replacement.

B2B Supply

LeadTurbo supports B2B buyers, repair shops, and fleet parts distributors with volume pricing for the 448316-0021 bearing housing. Worldwide shipping is available for this GTA3782D component. Technical fitment support is provided to help verify part number, engine code, and Navistar application details before ordering. Contact our sales team for bulk quotes and shipping estimates.

Product FAQ

Inspect the seating surface for debris or damage to ensure proper actuator function. Verify that the flapper moves freely without binding before installation.

Measure the internal diameter of the bypass port and compare it against the OEM specification for the GTA3782D. Ensure the port is clear of casting flash or obstructions.

Check that the bellmouth shape matches the compressor wheel inlet profile to maintain airflow efficiency. Verify smooth transitions to prevent turbulence.

Yes, volume pricing is available for B2B buyers. Contact our sales team with your required quantity and destination for a tailored quote.

NAVISTAR 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 NAVISTAR.

Compatibility This bearing housing is a reference application for Navistar vehicles using the GTA3782D turbocharger. Verify part number 448316-0021, engine code, vehicle production year, and OEM reference numbers against your specific application before ordering.

Customer Reviews

Share installation notes, fitment feedback, or service experience for this product.

No customer reviews have been added for this product yet.

5/5

For More Information

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.