Genuine Sinotruk lower connecting rod bush for high-mileage engine rebuilds. Direct replacement for OEM# ZZ4105010007.
Technical Specifications:
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Material: Lead-free bronze alloy (CuAl10Fe5Ni5) with embedded graphite slots
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Dimensions: 45mm OD × 40mm ID × 32mm Width (±0.03mm precision)
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Surface Finish: Diamond-turned (Ra 0.8μm) for optimal oil retention
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Load Rating: 50MPa dynamic / 110MPa static (SAE J1995 standard)
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Compatibility:
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Sinotruk HOWO D12 Engine (2016+)
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WD615 Euro III/V variants
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Replaces obsolete part# HG405012001
Installation Notes:
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Pre-fit Check: Verify bush-to-rod clearance (0.05-0.08mm) with plastigauge
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Press Tooling: Use mandrel with 45° chamfer to prevent edge deformation
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Post-Installation: Run engine at 1,500rpm for 20 minutes to seat bush
