Description
Product Overview
Part Name: Engine Flywheel
Part Numbers: 1-12331425-0 / 1123314250
Vehicle Compatibility: Designed for Isuzu CYZ heavy-duty trucks powered by the Isuzu 6WF1 diesel engine, manufactured between 1998–2024. Built to match the exact OE dimensions and mounting geometry required for Isuzu’s large-displacement 6WF1 platforms used in haulage, dump, and construction fleets.
Configuration: Constructed as a 430 mm hardened steel flywheel with precision-cut ring gear teeth for accurate starter engagement. Balanced for stable rotational mass, smooth clutch contact, and reduced driveline shock during gear changes and heavy-load operation.
Function: Supports efficient engine idle stability, enhances torque transfer, ensures smooth clutch engagement and reduces drivetrain vibration. Essential for maintaining proper power delivery and reducing wear on clutch components.
Technical Specifications
Type: Heavy-duty truck flywheel (430 mm)
Material: Heat-treated forged steel with CNC-machined ring gear
Application: Fits Isuzu 6WF1 engines installed in CYZ heavy-duty truck platforms requiring the listed flywheel references
Cross-Reference: Interchangeable with OEM Isuzu flywheels featuring the same diameter, bolt pattern, tooth count and clutch-mounting surface
Installation: Replace when experiencing clutch chatter, starter motor slip, ring gear wear, heat cracks or rotational imbalance
Service Interval: Typically replaced at major clutch overhaul intervals or every 400,000–600,000 km depending on load intensity
Delivery & Availability
Stock Options: Flywheels available in ready warehouse stock
Delivery Time: 3–7 days internationally
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