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4N5640 T1810 Turbocharger Replacement for CAT D343A
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402910-0040 402910-40 402910-5040SThis LeadTurbo 4N5640 T1810 turbocharger serves as an aftermarket replacement for CAT D343A engine applications. Designed to reference OEM numbers 402910-0040 and 402910-40, this unit supports fleet maintenance and repair operations. Verify exact engine specifications and mounting details before ordering to ensure proper fitment.
Key Specifications
This section outlines the core identification details for the 4N5640 T1810 turbocharger. Buyers should use these specifications to cross-reference their existing unit or engine documentation.
- Part Number: 4N5640
- Product Type: Turbocharger
- Turbo Model: T1810
- OEM Reference Numbers: 402910-0040, 402910-40, 402910-5040S
- Application Clue: CAT D343A
These identifiers help confirm the correct replacement unit. Verify the physical markings on your current turbocharger against the part number and model listed here. Matching the OEM reference numbers ensures you select the appropriate aftermarket replacement for your specific engine configuration.
Application & Compatibility
This T1810 turbocharger is listed for CAT D343A engine applications. Use the provided OEM reference numbers, such as 402910-0040 and 402910-40, to verify fitment against your specific engine serial number. Category paths like CAT D343 indicate typical usage but do not confirm universal compatibility. Always cross-check physical mounting details and flange dimensions before ordering. Confirm that the 4N5640 part number matches your existing unit to ensure proper replacement application.
Technical Notes
This T1810 turbocharger assembly is designed for industrial engine applications, specifically referencing the CAT D343A series. The unit supports standard mounting detailss typical for this engine family. Buyers should inspect the compressor and turbine housing dimensions to ensure alignment with their existing exhaust and intake systems. Verify that the shaft play and bearing clearances meet your operational requirements before installation. This replacement part aims to restore proper boost pressure and engine efficiency. Confirm all physical connections match your specific vehicle setup.
B2B Supply
LeadTurbo supports B2B buyers with volume pricing for the 4N5640 T1810 turbocharger. Worldwide shipping is available for distributors and fleet parts departments. Technical fitment support helps verify engine applications and OEM reference numbers before ordering. Contact our team to confirm stock availability and lead times for this CAT D343A replacement unit. We assist with validating part numbers against your specific engine documentation to ensure accurate supply chain planning.
Product FAQ
CAT 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 CAT.
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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.
