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3780503 Turbocharger Shaft Nut QSK60 Engines

Aftermarket replacement 3780503 shaft nut for QSK60 engines. Reference application includes BelAZ 75306, Komatsu 930E, and Caterpillar 6090 FS. Verify fitment before ordering.

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

Type Shaft Nut On backorder — orders accepted Part # 3780503 Packing N/A
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12-Month Warranty Shipping to Canada only. OEM-Grade Quality

This aftermarket 3780503 shaft nut is a replacement component for turbocharger assemblies in QSK60 engines. It serves as a reference application part for heavy-duty mining equipment, including BelAZ 75306 haul trucks and Caterpillar 6090 FS shovels. Verify your specific engine configuration and part number before ordering to ensure correct fitment.

Key Specifications

Part Number: 3780503 Product Type: Shaft Nut Engine Application: QSK60 Reference Applications: BelAZ 75306, Caterpillar 6090 FS, Komatsu 930E, Hitachi EH4000AC, Terex MT4400, XCMG XE4000, and Aksa AC2000 gensets. OEM Reference Numbers: None listed in source data. Packing: N/A Gross Weight: 0 kg Image Availability: Not provided.

This section lists the factual identifiers supplied for this aftermarket replacement component. Buyers should use the part number 3780503 and the QSK60 engine code as primary verification points. Since no specific OEM reference numbers are provided in the input, verify the part number against your specific equipment service manual or technical documentation before ordering.

Application & Compatibility

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

  • BelAZ > 75306 > 75306 Mining haul truck > QSK60
  • Aksa > AC2000 > AC2000 Genset > QSK60
  • Caterpillar > 6090 FS > 6090 FS Hydraulic mining shovel > QSK60
  • HITACHI > EH4000AC-II, EH4000AC-3 > EH4000AC-II, EH4000AC-3 Mining haul truck > QSK60
  • HITACHI > EH4500-2, EH5000, EH5000AC-3 > EH4500-2, EH5000, EH5000AC-3 Mining haul truck > QSK60
  • HITACHI > EX3600-6, EX3600-7, EX3600-7B > EX3600-6, EX3600-7, EX3600-7B Hydraulic mining excavator > QSK60
  • KOMATSU > 830E series, including 830E-1AC and 830E-5 > 830E series, including 830E-1AC and 830E-5 Electric-drive mining haul truck > QSK60
  • KOMATSU > 930E-1 and 930E-2 > 930E-1 and 930E-2 Electric-drive mining haul truck > QSK60
  • KOMATSU > PC4000 series, including PC4000-6 and PC4000-11 > PC4000 series, including PC4000-6 and PC4000-11 Hydraulic mining excavator > QSK60
  • KOMATSU > PC8000-5 > PC8000-5 Hydraulic mining excavator > QSK60
  • KOMATSU > WA1200-3, WA1200-3EO > WA1200-3, WA1200-3EO Mining wheel loader > QSK60
  • KOMATSU > WE2350-2 > WE2350-2 Mining wheel loader > QSK60
  • LIEBHERR > R 9800 > R 9800 Hydraulic mining excavator > QSK60
  • Terex > MT3700AC, MT4400, MT4400AC > MT3700AC, MT4400, MT4400AC Electric-drive mining haul truck > QSK60
  • Terex > RH400 > RH400 Hydraulic mining shovel > QSK60
  • XCMG > XE4000 > XE4000 Hydraulic mining excavator > QSK60

This aftermarket 3780503 shaft nut is listed for QSK60 engine applications in heavy mining equipment and industrial gensets. Reference applications include BelAZ 75306, Komatsu 930E, Caterpillar 6090 FS, Hitachi EH4000AC, Terex MT4400, XCMG XE4000, and Aksa AC2000. These paths serve as verification clues; confirm your specific unit configuration, engine serial, and production year before ordering. Verify the part number against your service manual to ensure correct fitment for your turbocharger assembly.

Technical Notes

The 3780503 shaft nut is a fastening component for the turbocharger assembly in QSK60 engines. No specific material grade, thread specification, or torque value is provided in the source data. Buyers should verify the part number against their equipment service manual to confirm the correct thread size and head style for their specific turbocharger configuration. For technical inquiries, provide the QSK60 engine serial number and the specific vehicle model, such as a Komatsu 930E or Caterpillar 6090 FS, to help our team confirm the correct application.

B2B Supply

LeadTurbo supports B2B buyers with volume pricing for bulk orders of the 3780503 shaft nut. Worldwide shipping is available for mining fleet and industrial parts programs. Our technical fitment support team assists with verifying part numbers, engine codes, and application details before shipment. For inquiries, provide the QSK60 engine serial number and specific vehicle model, such as a Komatsu 930E or Caterpillar 6090 FS, to help confirm the correct replacement application.

Product FAQ

Reference applications include BelAZ 75306 mining haul trucks, Komatsu 930E electric-drive haul trucks, and Caterpillar 6090 FS shovels. Verify your specific unit configuration before ordering.

Record the serial number of the QSK60 engine, the date of installation, and the specific shaft nut part number used. This data helps our technical team diagnose fitment or performance issues quickly.

Capture a clear, close-up photo of the QSK60 engine nameplate showing the engine serial number and model code. This ensures we can confirm the correct 3780503 shaft nut application for your unit.

Volume pricing is available for bulk orders of 3780503 shaft nuts. Contact our sales team with your estimated quantity and delivery location for a customized quote.

75306 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 75306.

Compatibility Verify part number 3780503, QSK60 engine code, specific vehicle application (e.g., BelAZ 75306, Komatsu 930E), and production year before ordering. This is an aftermarket replacement part; confirm fitment with your technical team.

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