This is a genuine Shindengen SH640D-12 voltage regulator rectifier designed for select Aprilia, Piaggio, Vespa, Gilera, and Derbi models. Its finned aluminum housing helps dissipate heat while converting stator AC output into stable 12V DC power for battery charging and electrical system regulation. Manufacturer: Shindengen, Japan Model / Casting Number: SH640D-12 OEM References: Aprilia AP8127418; Piaggio/Vespa 58090R, 58090R5, 486062 Material: Die-cast aluminum alloy Dimensions: Approx. 70mm W x 80mm L x 28mm T Connector: 5-pin block plug Compatibility includes selected Aprilia RS4, Atlantic, Mojito, Sport City, Scarabeo and SR models; Vespa ET4, LX, S, GT/GTS, Primavera and Sprint; Piaggio Fly, Liberty, Typhoon, X8, X9, Beverly and Carnaby; plus selected Gilera and Derbi models. Please compare the OEM number, connector, and mounting layout with your original part before purchase.
Please verify compatibility with your specific motorcycle model before purchasing.
Cleaning Status
partially_cleaned
Cleaning Notes
Used anti rust
Worldwide shipping available
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Estimated delivery: 2-5 business days
All items are carefully packaged for safe transit
Items can be insured — contact us for more information
30-day return policy on most items
Items must be in original condition and packaging
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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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