OEM PART NUMBERS: • Yanmar: 128990-77250 / 12899077250
• Valeo: SG10S078, C639773A, S639773A
• Lucas: LRA04433 / LRA4433
SPECIFICATIONS: • Type: Alternator
• OE Manufacturer: Valeo
• Valeo Number: SG10S078
• Voltage: 12V
• Amperage: 125 Amp
• Rotation: CW
• Ground: Negative
• Regulator: Internal
• Fan: Internal
• Pulley: 6 groove serpentine
• Pulley OD: 84mm, 3.31in
• Decoupler: No
• Mount Type: Hinge
• Bolt Holes: 3
• Plug Position: Rear
• Engine: Yanmar 2YM, 3YM, 3JH, 4JH marine diesel
• Condition: New
APPLICATIONS: • Yanmar 2YM15 / 3YM20 / 3YM20C / 3YM30 / 3YM30AE marine 2013-2025
• Yanmar 3JH5E / 3JH5AE / 4JH5E marine
• Yanmar 4JH3-DTE / 4JH3-HTE / 4JH4-TE / 4JH4-HTE / 4JH4-HTE1 marine
• Yanmar 3JH40 / 4JH45 / 4JH57 / 4JH80 / 4JH110 marine
• Shire 30 / 35 / 38 marine
PRODUCT NOTICE:
As a parts distributor we mostly sell aftermarket parts (any OEM parts would be noted as such). Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but are designed to function the same as - if not better than - the original. All parts sold are new.
WARNING - This product may expose you to chemicals such as Lead, Carbon Black, Silica, Crystalline which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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