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VG1246060130 Genuine SINOTRUK Fan Bracket Assembly - Vibration-Damped Support for HOWO T7H Cooling System

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Category： Sinotruk Engine Parts
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‌VG1246060130 Fan Bracket Assembly – SINOTRUK Engine Cooling Foundation‌

‌The Anti-Vibration Hub for Critical Airflow‌
This ‌genuine SINOTRUK fan bracket assembly‌ (Part# VG1246060130) is precision-engineered to stabilize the 18-inch cooling fan on HOWO T7H trucks. Its triple-point rubber isolators reduce harmonic vibrations by 62% compared to welded aftermarket brackets, preventing stress fractures in desert haulage operations.

‌Structural Advantages‌

‌Core Material‌: SG700-2 ductile iron, shot-peened to 0.8mm surface compression
‌Mounting System‌: 3x M12-1.75 threaded bosses with alignment dowels
‌Dynamic Load Rating‌: 150kg at 3000 RPM fan speed
‌Quality Control‌: Class II MT inspection per ASTM E1444

‌Technical Specifications‌

Parameter	Value
Base Thickness	16mm (±0.5mm)
Bearing Bore	80mm H7 tolerance
Isolator Durometer	65 Shore A (±3)
Weight	9.2kg
Torque Spec	110±10 N·m (fan side) / 85±5 N·m (block side)

‌Reliability Features‌
✔ Machined as single unit (no welded weak points)
✔ Zinc-flake coated against salt corrosion
✔ Pre-installed wear indicator washers (2mm replacement threshold)
✔ Matches OE fan blade clearance of 25±2mm

‌Compatibility‌: Direct replacement for ZZ4257N3247C/WG chassis with MC07/MC11 engines.

‌Installation Warning‌: Always use dial indicator to verify <0.1mm axial runout before final tightening.