4N5642 T1810 Turbocharger Replacement for CAT 343A (402910-0042)

This aftermarket 4N5642 T1810 turbocharger is a replacement unit for Caterpillar CAT 343A engines. It serves as an aftermarket replacement application for units referencing OEM numbers 402910-0042, 402910-42, and 402910-5042S. Verify your specific engine configuration and part number before ordering to ensure correct fitment.

Key Specifications

• Part Number: 4N5642
• Product Type: Turbocharger
• Turbo Model: T1810
• Application Clue: Caterpillar CAT 343A
• OEM Reference Numbers: 402910-0042, 402910-42, 402910-5042S
• Packing: Not specified
• Gross Weight: Not specified
• Image Availability: Not available

Verify that the part number 4N5642 and T1810 model match your specific engine configuration. Cross-check the supplied OEM reference numbers against your maintenance records to confirm the correct replacement unit for your Caterpillar application.

Application & Compatibility

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

• Caterpillar > Caterpillar 825 > CAT 825 > CAT 343A

This T1810 turbocharger is listed for Caterpillar CAT 343A applications, specifically the Caterpillar 825 series. It is associated with OEM reference numbers 402910-0042, 402910-42, and 402910-5042S. These references serve as verification clues for your specific engine configuration. Confirm that part number 4N5642 matches your maintenance records and that the turbo configuration aligns with your unit before ordering. Verify the application path and reference numbers to ensure the correct replacement application for your Caterpillar equipment.

Technical Notes

The T1810 turbocharger model is a fixed-geometry unit. Verify the turbine and compressor wheel orientation against your existing unit to ensure correct airflow direction. Check the bearing housing for straightness and confirm the oil feed and return ports are clear of debris. Inspect the turbine wheel shaft for scoring or excessive play. If the previous unit shows signs of foreign object damage, clean the intake and exhaust systems before installing this 4N5642 replacement. Confirm the turbine housing and compressor housing mating surfaces are free of cracks or warping. These steps help ensure stable operation and prevent premature failure in your Caterpillar CAT 343A application.

B2B Supply

LeadTurbo supports B2B buyers, repair shops, and distributors with volume pricing for the 4N5642 T1810 turbocharger. Worldwide shipping is available for this aftermarket replacement unit. Our team provides technical fitment support to help verify part number 4N5642 against your specific Caterpillar CAT 343A application. Cross-check OEM reference numbers 402910-0042, 402910-42, and 402910-5042S with your maintenance records before placing an order. Contact us for pre-shipment inspection details and confirmation of the correct turbo configuration for your equipment.