NN173504 Journal Bearing Replacement for Hitachi EX300-1 Turbocharger

This NN173504 Journal Bearing serves as an aftermarket replacement component for turbocharger model RHC7-12307HQ41NFBRL6424CC. It is listed for application in Hitachi EX300-1 heavy equipment powered by the Isuzu 6SD1T(CIAQ) engine. This part supports rebuilders and fleet maintenance teams seeking reliable replacement solutions for turbocharger assemblies.

Key Specifications

• Part Number: NN173504
• Internal Ref: BJMXJB0000045
• Product Type: Journal Bearing
• Turbo Model: RHC7-12307HQ41NFBRL6424CC
• Gross Weight: 0.03 kg
• Image Available: Yes

Application & Compatibility

This journal bearing is associated with the following reference applications:

• Vehicle/Equipment: Hitachi EX300-1
• Engine: Isuzu 6SD1T(CIAQ)
• Turbocharger: RHC7-12307HQ41NFBRL6424CC

Buyers must verify the part number, engine code, and turbocharger configuration before ordering. This item is intended as a replacement application; confirm that your specific unit matches these reference numbers to ensure proper fitment.

Technical Notes

• This component is a critical internal part of the turbocharger bearing housing assembly.
• Ensure the shaft journal dimensions match the bearing inner diameter for stable operation.
• Inspect the turbocharger housing and other internal components for wear or damage before installation.
• Do not install if the turbocharger casing shows signs of severe cracking or deformation.

B2B Supply

LeadTurbo provides technical fitment support to help verify part numbers and applications. Volume pricing is available for distributors, repair shops, and fleet buyers. We offer worldwide shipping for efficient supply chain management. Contact our sales team for quotes and bulk order details.