This genuine Piaggio Vespa 12V 80W AC voltage regulator controls and stabilizes power from the stator coil on classic non-battery scooter systems. It helps protect headlights, tail lamps, and indicator bulbs from high-RPM voltage spikes. The unit has a durable die-cast aluminum body with cooling fins for heat dissipation. This simple 3-pin shunt regulator is commonly marked G | G | Ground and fits 12V AC-only wiring looms, factory scooter setups, and electronic ignition conversions without a starter battery. Technical Specifications Manufacturer: Piaggio / Ducati Energia OEM Reference Number: 343343 / 161639 Electrical Capacity: 12V AC / 80W Connector Type: 3-Pin Blade Terminal System Type: AC Only / Non-Battery Material: Die-Cast Aluminum Compatible Models Vespa PK 50, PK 50 S, PK 50 XL, PK 125, PK 125 S — 1982–1991 Vespa P125X, PX125, PX150E, P200E Vespa T5 125 Base Models Vespa 50 Special / V50 Late Indicator Models Lambretta Series 1, 2, and 3 with 12V ignition conversion
Please verify compatibility with your specific motorcycle model before purchasing.
Cleaning Status
partially_cleaned
Cleaning Notes
Used anti rust
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Estimated delivery: 2-5 business days
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Items can be insured — contact us for more information
30-day return policy on most items
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Yes, all parts with OEM numbers are genuine manufacturer parts. Check the specifications tab for the OEM number.
We offer a 30-day return policy. Items must be in original condition. See the Shipping tab for complete details.
Yes, we ship to most countries worldwide. Shipping costs and delivery times vary by location.
Parts are sold separately. We recommend professional installation for safety and warranty purposes.
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