NH178343 Turbine Housing Replacement for Isuzu 6SD1T (CIAQ)

This NH178343 turbine housing is an aftermarket replacement component for the Isuzu 6SD1T (CIAQ) engine, commonly found in Hitachi EX300-1 excavators. It serves as a reference application for turbo model RHC7-12307HQ41NFBRL6424CC, with OEM reference numbers 1144003140 TH and VA290021 TH available for fitment verification.

Key Specifications

• Part Number: NH178343
• Product Type: Turbine Housing
• Turbo Model Reference: RHC7-12307HQ41NFBRL6424CC
• Gross Weight: 6 kg
• Packing: N/A
• OEM Reference Numbers: 1144003140 TH, VA290021 TH
• Image Availability: Yes

The housing features a cast metal construction with a rectangular flange and two large oval exhaust ports. Four threaded studs protrude from the top, while two additional studs are visible on the bottom surface. The central circular opening has a machined inner surface. Buyers should verify the housing orientation and mounting position against their specific unit using these visible features.

Application & Compatibility

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

• HITACHI > HITACHI EX300-1 > ISUZU 6SD1T(CIAQ)

This NH178343 turbine housing is listed for the Isuzu 6SD1T (CIAQ) engine, commonly associated with Hitachi EX300-1 excavators. It serves as a replacement application for turbo model RHC7-12307HQ41NFBRL6424CC. Buyers should verify fitment using OEM reference numbers 1144003140 TH and VA290021 TH. Confirm the housing orientation and mounting position against your specific unit before ordering.

Technical Notes

The NH178343 turbine housing is a cast metal component designed for the Isuzu 6SD1T (CIAQ) engine. Visible features include a rectangular flange with two oval exhaust ports and four top mounting studs. Buyers should verify the housing orientation and mounting position against their specific unit. Confirm the central circular opening and machined inner surface align with the RHC7-12307HQ41NFBRL6424CC turbo model. Use OEM reference numbers 1144003140 TH and VA290021 TH to cross-check fitment. Store the housing in a dry environment to prevent rust on the textured surface. The gross weight is 6 kg, which requires appropriate handling for B2B inventory management.

B2B Supply

LeadTurbo supports B2B buyers, repair shops, and distributors with volume pricing and worldwide shipping for NH178343 turbine housings. Technical fitment support is available to help verify housing orientation and mounting position against the Isuzu 6SD1T (CIAQ) engine or Hitachi EX300-1 application. Before placing an order, confirm part number NH178343, turbo model RHC7-12307HQ41NFBRL6424CC, and OEM reference numbers 1144003140 TH or VA290021 TH. This ensures the replacement application matches your specific unit requirements.