6156-81-8150 S400 Turbo Core for Komatsu PC400-7

This aftermarket S400 turbocharger core (CHRA) is a replacement part for FOR 6156-81-8150, designed for Komatsu PC400-7 excavators equipped with SAA6D125E-3 engines. It serves as an aftermarket replacement application for heavy-duty earthmoving equipment, supporting repair shops and fleet buyers seeking reliable turbocharger components.

Key Specifications

• Part Number: FOR 6156-81-8150
• Product Type: Turbocharger Core (CHRA)
• Turbo Model: S400
• Packing Dimensions: 21 x 23 x 26 cm
• Gross Weight: 10 kg
• OEM Reference Numbers: 14877100004, 318715, FOR 318632, FOR 318714, FOR 319448, FOR 319460, FOR 319475, FOR 319494, FOR 6156-81-8170

This core assembly includes the turbine wheel, compressor wheel, and central bearing housing. The metallic finish and visible welds on the turbine housing are consistent with standard industrial turbocharger core construction. Buyers should verify the specific OEM reference numbers against their existing unit to ensure the correct S400 variant is selected for their Komatsu application.

Application & Compatibility

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

• KOMATSU > KOMATSU PC400-7 > KOMATSU SAA6D125E-3
• KOMATSU > KOMATSU EXCAVATOR > S6D125
• KOMATSU > KOMATSU WA450 > KOMATSU P139
• KOMATSU > KOMATSU WA480 > KOMATSU SAA6D125E-3 296HP

This S400 core is listed for reference application on Komatsu PC400-7 excavators with SAA6D125E-3 engines, as well as Komatsu WA480 wheel loaders. It is also associated with Komatsu WA450 models using P139 engines and general Komatsu excavator applications with S6D125 engines. Buyers should verify the specific engine code, production year, and existing turbo configuration before ordering. Cross-check the OEM reference numbers, such as 14877100004 or 318715, against your equipment records to confirm the correct S400 variant. Technical fitment support is available to assist with verification.

Technical Notes

The S400 core assembly features a central bearing housing connecting the turbine and compressor wheels. Visible threaded studs on the top and bottom of the housing facilitate mounting to the turbine and compressor housings. The turbine wheel displays multiple curved blades, while the compressor wheel shows a similar blade configuration. Buyers should inspect the central housing for any visible damage or deformation before installation. Verify that the stud thread pitches match your existing housing components. Technical fitment support is available to assist with verifying these physical characteristics against your specific Komatsu application.

B2B Supply

LeadTurbo supports B2B buyers, repair shops, and distributors with volume pricing for the FOR 6156-81-8150 S400 core. Worldwide shipping is available for this 10 kg unit packed in 21 x 23 x 26 cm dimensions. Technical fitment support is provided to help verify OEM reference numbers such as 14877100004 and 318715 against your specific Komatsu application. Contact our team to confirm part number, engine code, and mounting details before placing an order.