NN173204 Turbocharger Retaining Ring RHC7-13005HQ30NFBRL557A

This NN173204 aftermarket retaining ring is a replacement component for RHC7-13005HQ30NFBRL557A turbochargers, with reference applications for Isuzu 6BG1 and 6SD1T engines. Verify your specific engine code and turbo model before ordering to ensure correct fitment for your Sumitomo or Hitachi equipment.

Key Specifications

• Part Number: NN173204
• Product Type: Retaining Ring
• Turbo Model: RHC7-13005HQ30NFBRL557A
• Visible Design: C-shaped open ring with two flat mounting tabs and drilled holes
• Surface Finish: Dark matte black or grey finish with visible machining texture
• Packing: N/A
• Gross Weight: 0 kg
• OEM References: No specific OEM reference numbers provided in input data

This retaining ring is an aftermarket replacement component designed for the specified turbocharger model. The visible C-shaped design with mounting tabs suggests a standard retention mechanism for turbocharger assembly. Buyers should verify the part number NN173204 and turbo model RHC7-13005HQ30NFBRL557A against their specific unit before ordering.

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 retaining ring is listed for reference applications on Isuzu 6BG1 and 6SD1T engines, specifically associated with Sumitomo S220 and Hitachi EX300-1/EX300-3C equipment. These application paths serve as verification clues for B2B buyers and repair shops. Confirm your specific engine code, turbo model RHC7-13005HQ30NFBRL557A, and part number NN173204 against your unit before ordering. Do not assume universal fitment; verify the retaining ring design and mounting tab configuration matches your existing component to ensure correct replacement application.

Technical Notes

The NN173204 retaining ring features a C-shaped open design with two flat mounting tabs and drilled holes, visible in the provided studio images. This configuration is typical for securing specific internal components within the RHC7-13005HQ30NFBRL557A turbocharger assembly. The dark matte finish and uniform thickness suggest a standard metal construction, though material grade is not specified. Buyers should inspect the existing ring for wear or deformation before replacement. Verify that the mounting tab alignment and hole spacing match your specific unit to ensure proper retention during operation.

B2B Supply

LeadTurbo supports B2B buyers, repair shops, and distributors with volume pricing for NN173204 retaining rings. Worldwide shipping is available for this aftermarket replacement component. Our technical fitment support team can help verify part number NN173204, turbo model RHC7-13005HQ30NFBRL557A, and engine applications such as Isuzu 6BG1 or 6SD1T before you place an order. Contact us for distributor pricing or to confirm the correct retaining ring for your specific Sumitomo or Hitachi equipment.