NN171005 Thrust Ring Replacement for Sumitomo S220 & Hitachi EX300-1 Turbochargers

The NN171005 thrust ring is an aftermarket replacement component for the RHC7-13005HQ30NFBRL557A turbocharger. Designed for use in Sumitomo S220 and Hitachi EX300-1 heavy equipment with Isuzu 6BG1 and 6SD1T engines, this part supports reliable turbo rebuilds. Verify your specific engine code and turbo model before ordering to ensure correct application.

Key Specifications

This thrust ring is identified by part number NN171005 and serves as a replacement component for the RHC7-13005HQ30NFBRL557A turbocharger model. The unit weighs approximately 0.05 kg, making it a lightweight spare part suitable for standard packaging and efficient shipping. No specific OEM reference numbers are listed for this item, so buyers should rely on the public part number and turbo model for identification. Verify the physical dimensions and material specifications against your existing component before finalizing the order to ensure proper function within the bearing housing assembly.

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)

This thrust ring is listed for use in Sumitomo S220 excavators equipped with Isuzu 6BG1(CIAF) engines and Hitachi EX300-1 machines with Isuzu 6SD1T(CIAQ) engines. These application paths serve as reference clues for verification purposes only. Buyers must confirm the exact engine code, turbo model RHC7-13005HQ30NFBRL557A, and physical dimensions of their existing component. Verify fitment against your specific machinery configuration before ordering to ensure correct replacement application.

Technical Notes

Thrust rings manage axial loads within the turbocharger bearing housing, ensuring stable rotor alignment during operation. This component supports the RHC7-13005HQ30NFBRL557A turbocharger assembly, maintaining precise internal clearances critical for rebuild reliability. Inspect the ring for wear, scoring, or deformation before installation to prevent premature failure. Proper seating is essential for balanced CHRA performance and long-term operational stability in heavy-duty applications.

B2B Supply

LeadTurbo supports B2B buyers with volume pricing for bulk orders of the NN171005 thrust ring. Worldwide shipping is available for this lightweight component, ensuring timely delivery for urgent rebuilds. Our team provides technical fitment support to help verify part numbers and engine applications before purchase. Contact us to confirm stock availability and discuss custom packaging requirements for international freight.