448316-0021 Bearing Housing for Navistar GTA3782D Turbocharger

This aftermarket bearing housing, part number 448316-0021, serves as a replacement component for the Navistar GTA3782D turbocharger. Designed for B2B rebuilders and fleet maintenance, this unit supports reliable turbocharger assembly. Verify your specific engine application and OEM reference numbers before ordering to ensure correct fitment.

Key Specifications

This bearing housing is identified by part number 448316-0021 and is designed for the Navistar GTA3782D turbocharger series. The unit weighs 2.5 kg, a specification that assists with shipping cost calculations and inventory management for B2B buyers. Product images are available to help verify physical dimensions and mounting features. Buyers should cross-reference this part number with their specific engine configuration to ensure correct identification before placing an order.

Application & Compatibility

This bearing housing is listed for Navistar engine applications, specifically associated with the GTA3782D turbocharger series. The category path indicates usage in heavy-duty truck and commercial vehicle contexts. Buyers should verify the specific engine model, production year, and turbocharger configuration before ordering. This part serves as a replacement application for units identified by part number 448316-0021. Confirm all mounting details and internal dimensions match your existing assembly to ensure proper fitment.

Technical Notes

The bearing housing serves as the central structural component for the turbocharger assembly, supporting the shaft and maintaining precise alignment. For the GTA3782D series, verifying internal bore dimensions and oil seal surface integrity is critical to prevent premature failure. Inspect the mating surfaces for scoring or damage that could compromise the seal. Ensure the oil inlet and outlet ports are clear of debris to maintain proper lubrication flow. Cross-reference the physical part number 448316-0021 stamped on the housing with your service manual. Confirm that the mounting bolt pattern matches your specific Navistar engine configuration before installation.

B2B Supply

LeadTurbo supports B2B buyers with volume pricing for bulk orders of the 448316-0021 bearing housing. Worldwide shipping is available to repair shops, distributors, and fleet maintenance centers. Our technical team provides fitment support to help verify engine applications and turbo configurations before purchase. Contact us for current stock levels and shipping estimates for the GTA3782D series components.