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3801912 HT4B Turbocharger Replacement for Cummins VTA28 Gensets

Aftermarket 3801912 HT4B turbocharger for Cummins VTA28 applications, including Aksa AC 750-6 and marine emergency gensets. Verify part number, engine, and OEM reference 3523312 before ordering.

Orders without stock ship approximately 60 days after ordering. Estimated ship date if ordered today: .

Type Turbocharger On backorder — orders accepted Part # 3801912 Models HT4B Weight 26.00 kg Packing 34*34*38
Cross Reference 3523312
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12-Month Warranty Worldwide shipping excluding Canada and China. OEM-Grade Quality

This aftermarket 3801912 HT4B turbocharger serves as a replacement unit for Cummins VTA28 engines, supporting genset and marine emergency generator applications. Verify part number, engine code, and OEM reference 3523312 to confirm fitment before ordering.

Key Specifications

  • Part Number: 3801912
  • Turbo Model: HT4B
  • Product Type: Turbocharger
  • OEM Reference: 3523312
  • Packing Dimensions: 34 x 34 x 38 cm
  • Gross Weight: 26 kg
  • Image Availability: Not provided

These specifications help buyers verify physical dimensions and weight for logistics planning. Cross-reference the part number 3801912 and OEM reference 3523312 against your existing unit to ensure correct identification before ordering.

Application & Compatibility

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

  • Aksa > AC 750-6 and AC 825 > AC 750-6 and AC 825 Genset > CUMMINS VTA28
  • DAEWOO > Tangguh Towuti LNG carrier > Tangguh Towuti LNG carrier Marine—emergency generator set > CUMMINS VTA28
  • Samsung > Seri A-class LNG carriers > Seri A-class LNG carriers Marine—emergency generator set > CUMMINS VTA28

This 3801912 HT4B turbocharger is listed for Cummins VTA28 engines in specific genset and marine emergency generator applications. Use the following application paths as verification clues to confirm fitment against your specific unit before ordering:

  • Aksa: AC 750-6 and AC 825 Genset
  • DAEWOO: Tangguh Towuti LNG carrier (Marine emergency generator set)
  • Samsung: Seri A-class LNG carriers (Marine emergency generator set)

Verify that the engine code, production year, and OEM reference 3523312 match your existing setup. Technical fitment support is available to assist with confirming turbine housing flange types and compressor A/R ratios for these reference applications.

Technical Notes

The HT4B turbocharger is a heavy-duty unit designed for high-output diesel engines. For this specific 3801912 application, verify the turbine housing flange type and bolt pattern against your existing Cummins VTA28 setup. Confirm the compressor housing A/R ratio matches your current configuration to ensure stable operation. If your genset or marine emergency generator uses a twin-turbo or bi-turbo setup, verify that this single unit matches the specific position and connection requirements. Technical fitment support is available to assist with these verification steps before ordering.

B2B Supply

LeadTurbo supports B2B buyers, repair shops, and distributors with volume pricing and worldwide shipping for the 3801912 HT4B turbocharger. Technical fitment support is available to assist with verifying turbine housing flange types, compressor A/R ratios, and OEM reference 3523312 against your specific Cummins VTA28 application. For marine emergency generator sets or genset replacements, our team helps confirm part number, engine code, and application details before shipment. Contact us for quotes on bulk orders or to verify compatibility for your specific unit.

Product FAQ

The supplied data lists OEM reference 3523312. Verify this reference against your specific Cummins VTA28 application before ordering.

Compare the turbine housing flange dimensions and bolt pattern of the 3801912 unit against your existing Cummins VTA28 setup. Technical fitment support is available to assist with verification.

Ensure the compressor housing A/R ratio of the 3801912 HT4B matches your application requirements. Verify this specification to ensure stable operation in your genset or marine emergency generator set.

This part is listed for Aksa AC 750-6 and AC 825 gensets with Cummins VTA28 engines. Verify your specific production year and engine configuration before ordering.

AC 750-6 and AC 825 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 AC 750-6 and AC 825.

Compatibility Verify part number 3801912, Cummins VTA28 engine code, specific genset or marine application, and OEM reference 3523312 before ordering. Confirm turbine housing flange type and compressor A/R ratio match your existing setup.

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Frequently Asked Questions

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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.

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