4038790 HX25W Turbocharger Replacement for Cummins 4BT Engines

This aftermarket 4038790 HX25W turbocharger is a replacement unit for Cummins 4BT and Komatsu S4D102E applications. It features a V-band compressor inlet and VGT actuator assembly, with six associated OEM reference numbers including 3599355 and 4033351 for fitment verification.

Key Specifications

• Part Number: 4038790
• Product Type: Turbocharger
• Turbo Model: HX25W
• Packing Dimensions: 21 x 23 x 26 cm
• Gross Weight: 8 kg
• OEM Reference Numbers: 3599355, 3599356, 4033351, 4038791, 4089714, 6737-81-8081
• Image Availability: High-resolution studio photography available

These factual fields support initial identification and logistics planning. Buyers should cross-reference the part number 4038790 and the listed OEM reference numbers against their specific engine documentation to confirm the correct unit for their application.

Application & Compatibility

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

• CUMMINS > CUMMINS VARIOUS > CUMMINS 4BT
• KOMATSU > KOMATSU PC120-6 > KOMATSU S4D102E

This unit is listed for Cummins 4BT and Komatsu S4D102E applications. It is associated with six OEM reference numbers, including 3599355, 4033351, and 4038791. Buyers should verify the part number 4038790, engine code, and specific vehicle application against these references before ordering. Confirm that the VGT actuator configuration and square exhaust flange match your existing setup to ensure the correct replacement application.

Technical Notes

The HX25W configuration typically includes a variable geometry turbine (VGT) system, which helps manage airflow efficiency across different engine loads. Visible features include a V-band compressor inlet, a square exhaust flange, and a VGT actuator assembly with hydraulic related hardware. These design elements are standard for this turbo model but should be verified against your specific application. Confirm that the actuator type, flange dimensions, and mounting ears match your existing setup before ordering. Technical fitment support is available to assist with drawing requests or measurement verification for Cummins 4BT and Komatsu S4D102E engines.

B2B Supply

LeadTurbo supports B2B buyers, repair shops, and distributors with volume pricing for the 4038790 HX25W turbocharger. Worldwide shipping is available for this 8 kg unit, packed in 21 x 23 x 26 cm dimensions. Technical fitment support is provided to verify part number 4038790, engine code, and OEM reference numbers such as 3599355 or 4033351 before ordering. Contact our team for drawing requests or measurement verification specific to Cummins 4BT or Komatsu S4D102E applications.