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4955495 TD04L Turbocharger Replacement for Cummins QSB
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49377-01850 4944852 6271818800This 4955495 TD04L turbocharger serves as an aftermarket replacement for Cummins QSB truck Tier 3 engines. Designed for B2B buyers, it references OEM numbers 49377-01850, 4944852, and 6271818800 to help confirm fitment. Verify your specific engine application and mounting details before ordering to ensure proper installation and operational reliability.
Key Specifications
This listing details the core identifiers for the 4955495 TD04L turbocharger. Use these specifications to verify the unit matches your Cummins QSB engine requirements.
- Part Number: 4955495
- Product Type: Turbocharger
- Turbo Model: TD04L
- OEM Reference Numbers: 49377-01850, 4944852, 6271818800
- Application Clue: Cummins Truck Tier 3
Cross-check the part number and model against your existing unit. Confirm that the OEM reference numbers align with your engine's service documentation. This verification step helps ensure the correct replacement is selected for your specific application.
Application & Compatibility
This TD04L turbocharger is listed for Cummins QSB truck Tier 3 applications. It serves as a reference replacement for units identified by OEM numbers 49377-01850, 4944852, and 6271818800. Always verify your specific engine model, vehicle configuration, and existing turbo mounting details before ordering. Confirm that the part number 4955495 matches your service manual requirements to ensure proper fitment and operational reliability.
Technical Notes
The TD04L series is widely used in heavy-duty truck applications. This unit is designed for Cummins QSB Tier 3 engines, where precise boost control is critical. Verify that the compressor and turbine housing dimensions match your existing assembly. Check oil inlet and outlet port sizes to ensure proper lubrication flow. Confirm exhaust manifold flange bolt patterns align with your engine block. These steps help prevent installation errors and ensure reliable operation.
B2B Supply
LeadTurbo supports B2B buyers with volume pricing and worldwide shipping for the 4955495 TD04L turbocharger. Technical fitment support is available to help verify engine applications and OEM reference numbers before ordering. Contact our team for bulk order details and logistics coordination. We assist repair shops and distributors in confirming part specifications to ensure smooth procurement and reliable replacement operations.
Product FAQ
CUMMINS 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 CUMMINS.
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Frequently Asked Questions
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Complete Turbo Units
Complete turbo units designed for rigorous heavy-duty use where OEM units may fall short.
CHRA / Core Assemblies
Brand-new compatible CHRA cores — like-new performance at a fraction of replacement cost.
Turbine Wheels & Shafts
Precision-balanced turbine shafts engineered from inside out for superior durability.
Turbine Housings
Silicon-molybdenum (Si-Mo) nodular cast iron — engineered for extreme heat resistance.
Compressor Housings
OEM-matched geometry and surface finish — advanced casting and machining for perfect fitment.
Bearing Housings
Rock-solid platform engineered for high-output rebuilds — the foundation for performance.
Compressor Wheels
Aluminum, stainless steel, or titanium alloys — precision machined for superior responsiveness.
