NN171110 Shaft Nut RHC7-13005HQ30NFBRL557A Turbocharger

The NN171110 shaft nut serves as a critical aftermarket replacement component for the RHC7-13005HQ30NFBRL557A turbocharger. Designed for heavy-duty applications including Sumitomo S220 and Hitachi EX300 series machinery with Isuzu 6BG1 and 6SD1T engines, this part supports reliable turbo assembly maintenance. Verify your specific engine code and existing part number before ordering to ensure correct fitment.

Key Specifications

This section outlines the core identification details for the NN171110 shaft nut. Buyers should verify these specifications against their existing components to ensure correct replacement application.

• Part Number: NN171110
• Product Type: Shaft Nut
• Turbo Model: RHC7-13005HQ30NFBRL557A
• Reference Applications: Sumitomo S220, Hitachi EX300 series
• Engine Codes: Isuzu 6BG1(CIAF), 6SD1T(CIAQ/CIBQ)
• Packing: Standard protective packaging
• Image Availability: Yes

Confirm the stamped part number on your current shaft nut matches NN171110. Cross-reference the turbo model RHC7-13005HQ30NFBRL557A with your service manual. Verify thread pitch and diameter before finalizing your order to prevent installation issues.

Application & Compatibility

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

• SUMITOMO > SUMITOMO S220 > ISUZU 6BG1(CIAF)
• HITACHI > HITACHI EX300-1 > ISUZU 6SD1T(CIAQ)
• HITACHI > HITACHI EX300-3C > ISUZU 6SD1T(CIBQ)

This NN171110 shaft nut is listed as a replacement application for the RHC7-13005HQ30NFBRL557A turbocharger model. Reference applications include Sumitomo S220 machinery with Isuzu 6BG1(CIAF) engines, as well as Hitachi EX300-1 and EX300-3C excavators equipped with Isuzu 6SD1T(CIAQ) or 6SD1T(CIBQ) engines. These paths serve as verification clues only. Always confirm your specific engine code, turbo serial number, and existing part number before ordering to ensure correct fitment.

Technical Notes

The NN171110 shaft nut secures the turbocharger shaft assembly, maintaining critical alignment for the RHC7-13005HQ30NFBRL557A model. Proper torque application is essential to prevent shaft movement and ensure stable operation during high-stress cycles. Inspect the mating threads and bearing housing for wear or damage before installation. Verify that the nut matches the original thread pitch and diameter specifications. Use a calibrated torque wrench to apply the manufacturer-recommended torque value. Incorrect tightening can lead to premature failure or excessive vibration in the turbocharger assembly.

B2B Supply

LeadTurbo supports B2B buyers with volume pricing for the NN171110 shaft nut. Worldwide shipping is available for this RHC7-13005HQ30NFBRL557A turbo replacement part. Our technical team provides fitment support to verify engine codes like Isuzu 6BG1 and 6SD1T. Contact us to confirm specifications before placing bulk orders for Sumitomo or Hitachi machinery applications.