Description
Product Overview
Part Name: Engine Flywheel
Part Number: AZ1246020025A
Vehicle Compatibility: Developed for Sinotruk HOWO trucks running the WD615 and D12 diesel engine platforms, including HOWO 371 and HOWO 420 models manufactured between 2005–2024. Suitable for long-haul, construction, mining and heavy cargo applications requiring OEM-matched driveline components.
Configuration: Constructed from high-strength forged steel with a precision-machined ring gear for reliable starter engagement. Features balanced mass distribution for stable rotational inertia, smooth clutch contact and consistent power-transfer performance.
Function: Enhances idle stability, improves shift quality, reduces drivetrain vibration and ensures efficient torque transmission. Essential for restoring driveline smoothness when the original flywheel shows wear, heat cracking or tooth damage.
Technical Specifications
Type: Heavy-duty truck flywheel
Material: Heat-treated forged steel with CNC-cut ring gear
Application: Fits Sinotruk HOWO WD615 and D12 engines used in HOWO 371/420 models requiring flywheel reference AZ1246020025A
Cross-Reference: Interchangeable with OE Sinotruk flywheels matching identical diameter, bolt configuration and clutch-mounting geometry
Installation: Replace when clutch slippage, rough shifting, starter misalignment or vibration indicates flywheel degradation
Service Interval: Typically replaced during clutch overhauls or every 400,000–600,000 km, depending on operating load
Delivery & Availability
Stock Options: Flywheels available in ready warehouse stock
Delivery Time: 3–7 days internationally
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