Click image to zoom

3804878 HX30 Turbocharger Replacement for Komatsu S4D102 110HP

Aftermarket HX30 turbocharger, part no. 3804878, for Komatsu S4D102 110HP engines. Reference applications include Komatsu GD305 and Dresser VOS66. Verify OEM references and engine code before ordering.

Type Turbocharger Part # 3804878 Models HX30 Weight 12.00 kg Packing 21*23*26
Cross Reference 3537010
Show more cross references 3537010 3537011 3537012 3539701 3539702 3539703 3592102 3592103 3592104 6732-81-8100 6732-81-8500
US$ 140.00 / 1 pc(s)
Qty

Subtotal: US$ 140.00

Send an Inquiry
12-Month Warranty Worldwide Shipping OEM-Grade Quality

This aftermarket HX30 turbocharger, part number 3804878, is a replacement unit for Komatsu S4D102 110HP engines. It serves as a reference application for Komatsu GD305 and Dresser VOS66 equipment, with fitment to be verified against your specific engine code and OEM reference numbers before ordering.

Key Specifications

  • Part Number: 3804878
  • Product Type: Turbocharger
  • Turbo Model: HX30
  • Engine Application: Komatsu S4D102 110HP
  • Packing Dimensions: 21 x 23 x 26 cm
  • Gross Weight: 12 kg
  • OEM Reference Numbers: 3537010, 3539701, 6732-81-8100 (representative of 11 total references)

This unit is an aftermarket replacement assembly. The visible features include a volute-shaped compressor housing, a radial turbine wheel, and a rectangular mounting flange with four bolt holes. A data plate is mounted on the compressor housing, and a wing nut clamp assembly secures the housing joint. Buyers should verify the part number and OEM references against their specific equipment service manuals.

Application & Compatibility

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

  • KOMATSU > KOMATSU GD305 > KOMATSU S4D102 110HP
  • Dresser > Dresser VOS66 > Dresser VOS66A > Komatsu S4D102
  • KOMATSU > Komatsu D31 > Komatsu D31-20 > Komatsu S4D102
  • KOMATSU > Komatsu D37 > Komatsu D37-5 > Komatsu S4D102
  • KOMATSU > Komatsu D37 > Komatsu D37P-5 > Komatsu S4D102
  • KOMATSU > Komatsu PC100 > Komatsu PC100-6 > Komatsu S4D102
  • KOMATSU > Komatsu PC120 > Komatsu PC120-6 > Komatsu S4D102
  • KOMATSU > Komatsu PC130 > Komatsu PC130-6 > Komatsu S4D102
  • KOMATSU > Komatsu PW Series > Komatsu PW170 > Komatsu S4D102
  • KOMATSU > Komatsu PW150 > Komatsu S4D102

This HX30 turbocharger is listed for Komatsu S4D102 110HP engines, with reference applications including Komatsu GD305, Dresser VOS66, and Komatsu D31/D37/PC100/PC120/PC130/PW series equipment. Fitment is based on these reference paths; verify your specific production year and engine code before ordering. Cross-check the 11 associated OEM reference numbers, such as 3537010 and 3539701, against your service manual to confirm the correct replacement application.

Technical Notes

The HX30 turbocharger features a volute-shaped compressor housing and a radial turbine wheel. The turbine housing includes a rectangular mounting flange with four bolt holes and a cylindrical exhaust outlet. A data plate is mounted on the compressor housing, while a wing nut clamp assembly secures the housing joint. The unit displays a machined metallic finish on the compressor housing and a cast, textured finish on the turbine housing. Buyers should inspect the visible mounting surfaces and verify the data plate markings against their service records to confirm the correct replacement application for their specific equipment.

B2B Supply

LeadTurbo supports B2B buyers, repair shops, and distributors with volume pricing and worldwide shipping for part 3804878. Technical fitment support is available to help verify engine codes and OEM reference numbers before dispatch. For bulk orders of this HX30 turbocharger, contact our team for current stock availability and freight estimates. We recommend confirming the specific application against your service records to ensure the correct replacement unit is supplied.

Product FAQ

This unit references 11 OEM numbers, including 3537010, 3539701, and 6732-81-8100. Cross-check these against your equipment's service manual to confirm fitment.

Inspect the intake and exhaust manifolds for debris and ensure the oil feed line is clean. Verify the mounting flange and gasket surfaces are undamaged before installing the new unit.

The application data lists Komatsu GD305 and Dresser VOS66 as reference applications for the S4D102 engine. Verify your specific production year and engine code before ordering.

The unit ships in a 21x23x26 cm carton with a gross weight of 12 kg. This weight helps estimate freight costs for B2B bulk orders.

KOMATSU 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 KOMATSU.

Compatibility Verify part number 3804878, engine code S4D102, vehicle application, and OEM reference numbers (e.g., 3537010, 3539701) before ordering. Fitment is based on reference applications; confirm against your specific unit.

Customer Reviews

Share installation notes, fitment feedback, or service experience for this product.

No customer reviews have been added for this product yet.

5/5

For More Information

Frequently Asked Questions

What types of turbocharger spare parts do you offer? Warranty, shipping, quality and more.

Turbochargers

Complete Turbo Units

Complete turbo units designed for rigorous heavy-duty use where OEM units may fall short.

CHRA Core

CHRA / Core Assemblies

Brand-new compatible CHRA cores — like-new performance at a fraction of replacement cost.

Turbine Wheel

Turbine Wheels & Shafts

Precision-balanced turbine shafts engineered from inside out for superior durability.

Turbine Housing

Turbine Housings

Silicon-molybdenum (Si-Mo) nodular cast iron — engineered for extreme heat resistance.

Compressor Housing

Compressor Housings

OEM-matched geometry and surface finish — advanced casting and machining for perfect fitment.

Bearing Housing

Bearing Housings

Rock-solid platform engineered for high-output rebuilds — the foundation for performance.

Compressor Wheels

Compressor Wheels

Aluminum, stainless steel, or titanium alloys — precision machined for superior responsiveness.