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3800405 HX40W Turbocharger Replacement for Cummins 6CTAA

Aftermarket 3800405 HX40W turbocharger for Cummins 6CTAA and ISC applications. Verify part number, engine code, and OEM references before ordering. B2B volume pricing available.

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

Type Turbocharger On backorder — orders accepted Part # 3800405 Models HX40W Weight 16.00 kg Packing 26*30*33
Cross Reference 3591021
Show more cross references 3591021 3591048 3591051 3591054 3592021 3598064 3598068 4044171 4044174 4044998 4044999
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12-Month Warranty Shipping to Canada only. OEM-Grade Quality

The 3800405 HX40W turbocharger is an aftermarket replacement unit designed for Cummins 6CTAA and ISC engine applications. This complete assembly serves as an aftermarket replacement for units associated with OEM reference numbers such as 3591021 and 3591048, supporting heavy-duty and commercial vehicle maintenance needs.

Key Specifications

  • Part Number: 3800405
  • Product Type: Turbocharger
  • Turbo Model: HX40W
  • Packing Dimensions: 26 x 30 x 33 cm
  • Gross Weight: 16 kg
  • Representative OEM References: 3591021, 3591048, 3591051

These specifications help buyers verify the physical dimensions and weight for shipping and storage. Cross-check the part number and model against your engine code to ensure the correct replacement unit is selected.

Application & Compatibility

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

  • VOLKSWAGEN > CUMMINS 6CTAA
  • Blue Bird > All American > All Canada RE > All Canada RE School bus > CUMMINS ISC 330-350HP
  • LiuGong > 4215-6WD > 4215-6WD Motor Grader > CUMMINS 6CTAA
  • LiuGong > 4260D > 4260D Motor Grader > CUMMINS 6CTAA
  • Sany > STG230C-10S > STG230C-10S Motor Grader > CUMMINS 6CTAA

This HX40W turbocharger is listed for Cummins 6CTAA and ISC 330-350HP engine applications. Reference numbers such as 3591021 and 3591048 help confirm fitment for specific engine codes. Verify the part number 3800405 against your vehicle or equipment before ordering.

  • LiuGong 4215-6WD and 4260D Motor Graders
  • Sany STG230C-10S Motor Grader
  • Blue Bird All Canada RE School Bus
  • VOLKSWAGEN Cummins 6CTAA applications

Technical Notes

The HX40W model is a fixed-geometry turbocharger design. Verify the turbine and compressor housing configurations against your specific Cummins 6CTAA or ISC engine application. Confirm that the exhaust and intake connections match your vehicle's manifold and pipe dimensions. Check the V-band clamp size and profile to ensure proper sealing during installation. Inspect the gasket kit for completeness, ensuring all required seals and washers are present for the 3800405 unit. Measure the stud and nut thread pitches on the engine block to confirm alignment with the turbocharger hardware. These verification steps help prevent installation errors and ensure stable operation in heavy-duty and commercial vehicle applications.

B2B Supply

LeadTurbo supports B2B buyers, repair shops, and distributors with volume pricing for the 3800405 HX40W turbocharger. Worldwide shipping is available for this 16 kg unit, packed in 26 x 30 x 33 cm dimensions. Our team provides technical fitment support to help verify part numbers, OEM references, and engine applications before shipment. Contact us for quotes on bulk orders or specific Cummins 6CTAA and ISC replacement needs.

Product FAQ

This part is associated with 11 OEM reference numbers, including 3591021, 3591048, 3591051, and 3591054. Verify these references against your specific engine and vehicle application before ordering.

Inspect the gasket kit for all required seals and washers specific to the Cummins 6CTAA engine. Ensure the kit matches the 3800405 HX40W turbocharger configuration to prevent leaks during installation.

Measure the thread pitch of the existing studs and nuts on the Cummins 6CTAA engine block. Compare these measurements with the 3800405 HX40W turbocharger hardware to ensure proper fastening torque and alignment.

Check the V-band clamp diameter and profile on the turbine and compressor housings of the 3800405 HX40W. Ensure the clamp size matches the exhaust manifold and intake pipe connections for your specific vehicle application.

OTHER 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 OTHER.

Compatibility Verify part number 3800405, engine code (e.g., Cummins 6CTAA or ISC 330-350HP), vehicle application, production year, and OEM reference numbers (e.g., 3591021, 3591048) before ordering. Confirm turbo configuration and gasket kit completeness for your specific application.

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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.

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