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3789643 Turbocharger Replacement for Cummins ISL Engines

Aftermarket 3789643 turbocharger for Cummins ISL engines in Freightliner M2 106 and Kenworth T300. Verify part number, engine code, and OEM references before ordering.

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

Type Turbocharger On backorder — orders accepted Part # 3789643 Packing N/A
Cross Reference 3789642
Show more cross references 3789642 3789643H 3789644 3789645 4352231 4352232 4352233 4352234 5501344 5640467
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12-Month Warranty Worldwide shipping excluding Canada and China. OEM-Grade Quality

This aftermarket 3789643 turbocharger is a replacement assembly for Cummins ISL engines, listed for Freightliner M2 106 and Kenworth T300 applications. Verify part number, engine code, and OEM reference numbers such as 3789642 or 4352231 before ordering to ensure correct fitment.

Key Specifications

  • Part Number: 3789643
  • Product Type: Turbocharger Assembly
  • Engine Application: Cummins ISL
  • Vehicle Clues: Freightliner M2 106, Kenworth T300
  • OEM Reference Numbers: 3789642, 3789643H, 3789644, 3789645, 4352231, 4352232, 4352233, 4352234, 5501344, 5640467
  • Packing: N/A
  • Gross Weight: 0 kg

Verify the specific engine code and production year against these reference numbers before ordering. Confirm the turbocharger configuration matches your existing unit to ensure correct replacement application.

Application & Compatibility

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

  • Freightliner > Freightliner M2 > Freightliner M2 106 > Cummins ISL
  • Kenworth > Kenworth T300 > Cummins ISL

This 3789643 turbocharger assembly is listed for Cummins ISL engines in Freightliner M2 106 and Kenworth T300 applications. Use the supplied OEM reference numbers, such as 3789642, 3789643H, 4352231, and 5501344, to verify fitment against your specific engine code and production year. Confirm the turbocharger configuration matches your existing unit before ordering to ensure the correct replacement application.

Technical Notes

Verify the turbocharger configuration against your existing unit before installation. Confirm the actuator type, cooling system, and vane mechanism match the original part to ensure stable operation. Check for debris or damage that could restrict vane rotation, which may affect performance. If the unit uses an electronic actuator, follow the vehicle manufacturer's procedure for setup details or reset. Verify the compressor wheel inducer and exducer sizes against OEM specifications to confirm correct fitment for the Cummins ISL application.

B2B Supply

LeadTurbo supports B2B buyers, repair shops, and fleet parts distributors with volume pricing and worldwide shipping for this 3789643 turbocharger. Technical fitment support is available to help verify part number, Cummins ISL engine code, and OEM reference numbers such as 3789642 or 4352231 before ordering. Contact our team to confirm application details for Freightliner M2 106 or Kenworth T300 vehicles.

For B2B stock planning, note that packing details and gross weight are currently listed as N/A and 0 kg respectively. Confirm current packaging dimensions and shipping weight with our team before scheduling freight or calculating pallet loads. When verifying fitment for Cummins ISL engines, cross-check the 10 associated OEM reference numbers, including 3789642 and 4352231, against your specific vehicle records. This ensures the correct 3789643 turbocharger assembly is selected for Freightliner M2 106 or Kenworth T300 applications. Volume pricing tiers are available for distributors and fleet parts buyers, with worldwide shipping options to support global inventory needs.

Product FAQ

Representative OEM references include 3789642, 3789643H, 3789644, 3789645, 4352231, 4352232, 4352233, 4352234, 5501344, and 5640467. Verify these against your specific engine and vehicle application.

Ensure the VNT vanes move freely without binding before final assembly. Check for debris or damage that could restrict vane rotation, which may affect turbocharger performance and stability.

If the unit uses an electronic actuator, follow the vehicle manufacturer's procedure for actuator setup details or reset. Verify the actuator type and required software updates with your service manual.

Check the compressor wheel markings or technical datasheet for inducer and exducer diameters. Compare these dimensions with the original part or OEM specifications to ensure correct fitment for the Cummins ISL application.

Freightliner M2 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 Freightliner M2.

Compatibility Verify part number 3789643, Cummins ISL engine code, vehicle application (Freightliner M2 106 or Kenworth T300), production year, and OEM reference numbers (e.g., 3789642, 4352231) before ordering. Confirm turbo configuration and fitment with technical support.

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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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