4027989 Turbocharger Core Replacement for Freightliner 6C8.3

This aftermarket replacement turbocharger core, part number 4027989, is designed for Freightliner 6C8.3 and Cummins ISB02 applications. It serves as a CHRA assembly for school bus and commercial vehicle fleets, supporting technical fitment support and volume pricing for B2B buyers.

Key Specifications

• Part Number: 4027989
• Product Type: Turbocharger Core (CHRA)
• Application Clues: Freightliner 6C8.3, Cummins ISB02
• OEM Reference Numbers: Not supplied in input data
• Packing: Not specified
• Gross Weight: Not specified
• Image Availability: No image provided

This core assembly is intended for replacement applications in commercial and school bus fleets. Buyers should verify the specific engine code and turbo configuration against their existing unit to ensure correct fitment.

Application & Compatibility

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

• Freightliner > 6C8.3
• Blue Bird > A3FE > A3FE Bus > CUMMINS ISB02 ECHO
• Blue Bird > Vision; All American; Ultra LF > Vision; All American; Ultra LF School bus > Transit bus > ISB02
• Thomas Built Buses > Saf-T-Liner MVP-EF > Saf-T-Liner MVP-EF School bus > CUMMINS ECHO WG LMRO

This core is listed for Freightliner 6C8.3 and Cummins ISB02 applications. It is associated with Blue Bird A3FE, Vision, All American, and Ultra LF school buses, as well as Thomas Built Buses Saf-T-Liner MVP-EF models. These paths serve as reference clues for verification. Buyers should confirm the specific engine code, vehicle model, and existing turbo configuration against their unit. Verify part number 4027989 and OEM reference numbers before ordering to ensure the correct replacement application.

Technical Notes

This core assembly is intended for replacement in commercial and school bus fleets. Buyers should verify the specific engine code and turbo configuration against their existing unit to ensure correct fitment. Confirm the compressor cover inlet bellmouth dimensions and surface finish match your original specifications. If your application requires anti-surge slots, verify their presence and size on the compressor housing to maintain proper surge behavior. Cross-reference part number 4027989 with your OEM documentation or existing turbo label to avoid fitment issues. Technical fitment support is available to assist with these verification steps.

B2B Supply

LeadTurbo supports B2B buyers, repair shops, rebuilders, and fleet parts distributors with volume pricing and worldwide shipping for part number 4027989. Technical fitment support is available to assist with verifying engine codes, vehicle applications, and OEM reference numbers before ordering. This service helps ensure the correct aftermarket replacement core is selected for Freightliner 6C8.3 or Cummins ISB02 applications. Inquiries can include specific fleet requirements or bulk order details to streamline the procurement process for commercial and school bus fleets.