Description
Product Overview
Part Name: Engine Flywheel
Part Number: 478931
Vehicle Compatibility: Designed for Volvo FH and Volvo FM trucks equipped with Volvo D12 and D13 diesel engines manufactured between 2000–2024. Built to match OEM flywheel dimensions and mounting points required for heavy-duty long-haul, distribution and construction-grade Volvo platforms.
Configuration: Manufactured as a 430 mm flywheel with 156 precision-cut teeth, engineered from hardened steel for superior strength, rotational balance and clutch engagement reliability. The machined surface ensures smooth interaction with the clutch disc and starter motor.
Function: Provides stable rotational inertia for consistent engine idling, improves clutch engagement quality, reduces drivetrain vibration and supports smooth gear transitions during heavy-load operation.
Technical Specifications
Type: Heavy-duty diesel engine flywheel
Material: Heat-treated forged steel with CNC-machined ring gear
Application: Fits Volvo D12/D13 engines installed in FH and FM series trucks using 430 mm, 156-tooth flywheel specification
Cross-Reference: Interchangeable with OEM Volvo flywheels sharing identical bolt pattern, diameter, tooth count and clutch-mounting geometry
Installation: Replace when signs of ring-gear wear, heat cracks, imbalance, clutch chatter or starting difficulties occur
Service Interval: Typically replaced during major clutch service or at 400,000–600,000 km, depending on operating conditions
Delivery & Availability
Stock Options: Flywheels available in active warehouse stock
Delivery Time: 3–7 days internationally
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