3784397 BO-TH Turbocharger Shaft Nut for Cummins QSK19
Aftermarket FOR 3784397 BO-TH Shaft Nut for Cummins QSK19 engines. Reference application includes Komatsu WA600 and Atlas Copco TH75W. Verify part number and OEM references before ordering.
Orders without stock ship approximately 60 days after ordering. Estimated ship date if ordered today: .
Show more cross references
FOR 3784746 BO-TH FOR 3784747 BO-TH FOR 3793621 BO-TH FOR 3793622 BO-TH FOR 3793623 BO-TH FOR 3793624 BO-TH FOR 3793625 BO-TH FOR 3793626 BO-TH FOR 3793627 BO-TH FOR 3793677 BO-TH FOR 4309430 BO-TH FOR 4955686 BO-THThis aftermarket FOR 3784397 BO-TH Shaft Nut is a replacement component for turbocharger systems on Cummins QSK19 engines. It serves as a reference application for Komatsu WA600, Aksa AC2000, and Atlas Copco TH75W industrial equipment, with 12 associated OEM reference numbers for fitment verification.
Key Specifications
- Part Number: FOR 3784397 BO-TH
- Product Type: Turbocharger Shaft Nut
- Application Clues: Cummins QSK19, Komatsu WA600, Aksa AC2000, Atlas Copco TH75W
- OEM Reference Numbers: 12 associated references, including FOR 3784746 BO-TH, FOR 3784747 BO-TH, and FOR 3793621 BO-TH
- Packing: N/A
- Gross Weight: 0 kg
- Image Availability: Not available
This section lists the factual identifiers and reference data supplied for this aftermarket replacement part. Buyers should use these specific numbers to verify fitment against their existing turbocharger configuration.
Application & Compatibility
Source application path clues for buyer verification. These are source category/application paths, not confirmed fitment claims:
- KOMATSU > KOMATSU WA600 > CUMMINS QSK19
- Aksa > AC2000 > AC2000 Genset > QSK60
- Atlas Copco > TH75 > TH75W > TH75W Water-well drilling rig > Q19-P14
This aftermarket FOR 3784397 BO-TH Shaft Nut is listed for reference applications on Cummins QSK19 and QSK60 engines. It is associated with Komatsu WA600, Aksa AC2000, and Atlas Copco TH75W systems. Buyers should verify the specific engine code and turbocharger configuration before ordering. Use the 12 associated OEM reference numbers, such as FOR 3784746 BO-TH and FOR 3793621 BO-TH, to cross-check fitment against your existing unit. Technical fitment support is available to assist with verification.
Technical Notes
The FOR 3784397 BO-TH shaft nut is a fastening component for turbocharger assemblies on Cummins QSK19 and QSK60 engines. It secures the turbine shaft within the housing, ensuring proper alignment and stability during operation. This part is associated with 12 OEM reference numbers, including FOR 3784746 BO-TH and FOR 3793621 BO-TH, which help buyers cross-check fitment across different catalogs. Since no material grade or dimensional data is provided, verify the specific engine code and turbocharger variant against your existing unit. Technical fitment support is available to assist with verification before installation.
B2B Supply
LeadTurbo supports B2B buyers, repair shops, and distributors with volume pricing and worldwide shipping for this FOR 3784397 BO-TH Shaft Nut. Technical fitment support is available to help verify part numbers, engine codes, and OEM reference numbers before ordering. Contact our team for quotes on bulk orders or to confirm application details for Cummins QSK19 and QSK60 systems.
Product FAQ
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, engine code (QSK19/QSK60), vehicle application, production year, and OEM reference numbers before ordering. This part is a reference application for Komatsu WA600, Aksa AC2000, and Atlas Copco TH75W systems.
Customer Reviews
Share installation notes, fitment feedback, or service experience for this product.
No customer reviews have been added for this product yet.
Related technical guides
For More Information
Frequently Asked Questions
What types of turbocharger spare parts do you offer? Warranty, shipping, quality and more.
Complete Turbo Units
Complete turbo units designed for rigorous heavy-duty use where OEM units may fall short.
CHRA / Core Assemblies
Brand-new compatible CHRA cores — like-new performance at a fraction of replacement cost.
Turbine Wheels & Shafts
Precision-balanced turbine shafts engineered from inside out for superior durability.
Turbine Housings
Silicon-molybdenum (Si-Mo) nodular cast iron — engineered for extreme heat resistance.
Compressor Housings
OEM-matched geometry and surface finish — advanced casting and machining for perfect fitment.
Bearing Housings
Rock-solid platform engineered for high-output rebuilds — the foundation for performance.
Compressor Wheels
Aluminum, stainless steel, or titanium alloys — precision machined for superior responsiveness.
