SYM Genuine Starter Generator Controller / Regulator (Latest Version)
Part No.: 31600-D21-902-A1
Product Description:
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Brand new 2025 latest model starter generator controller (regulator/rectifier).
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Genuine SYM OEM part – ensures stable voltage regulation and reliable charging performance.
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Replaces discontinued old part numbers: 31600-D21-000 and 31600-D21-900.
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Official SYM replacement part, guaranteeing fitment and factory-level quality.
Notes:
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Please check your scooter model and part number before ordering.
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This is the new updated part number (ending in 902-A1); older versions are no longer sold.
MADE IN TAIWAN