3801941 ST50 Turbocharger Core for Komatsu HD320-2

This aftermarket ST50 core assembly is a replacement part for FOR 3801941, designed for Komatsu HD320-2 rigid off-highway dump trucks equipped with Cummins NTA855-C engines. Verify your specific part number and OEM references before ordering to ensure the correct fitment for your application.

Key Specifications

• Part Number: FOR 3801941
• Product Type: Core (CHRA)
• Turbo Model: ST50
• Reference Application: Komatsu HD320-2 rigid off-highway dump truck
• Engine Application: Cummins NTA855-C
• OEM Reference Numbers: FOR 3032062, FOR 3801937
• Packing Dimensions: 31*25*30 cm
• Gross Weight: 12 kg
• Image Availability: Yes

Verify these specifications against your existing core and engine code before ordering. The listed OEM references serve as verification clues for the ST50 configuration.

Application & Compatibility

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

• KOMATSU > HD320-2 > HD320-2 Rigid off-highway dump truck > CUMMINS NTA855-C

This ST50 core is listed for the Komatsu HD320-2 rigid off-highway dump truck equipped with a Cummins NTA855-C engine. The application path serves as a reference clue for buyers to verify fitment against their specific machine and engine code.

• Vehicle: Komatsu HD320-2 rigid off-highway dump truck
• Engine: Cummins NTA855-C
• Verification: Confirm the engine code and production year match the ST50 configuration
• OEM References: FOR 3032062 and FOR 3801937 are associated with this part for cross-checking

Always verify the part number FOR 3801941 and the specific OEM reference numbers on your old core label before ordering. If the label differs, contact technical support to confirm whether the reference application applies to your unit.

Technical Notes

The ST50 core assembly features a cylindrical machined housing with visible weld seams and a threaded side port. The turbine wheel displays curved, backward-swept blades, while the compressor wheel shows curved blades on the opposite end. A central shaft with a hexagonal nut and threaded fastener connects the wheels. These visible structural details help buyers verify the physical configuration against their existing unit. Confirm the wheel orientation and housing dimensions match your application before ordering.

B2B Supply

LeadTurbo supports B2B buyers with volume pricing and worldwide shipping for this ST50 core. Technical fitment support is available to verify part number FOR 3801941, engine code NTA855-C, and OEM references FOR 3032062 or FOR 3801937 before ordering. Inquiries should include the specific vehicle application and production year to ensure the correct configuration for your Komatsu HD320-2 unit. Pre-shipment inspection and quality control are performed on each unit to support replacement reliability.