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Alternators & Stators (Tohatsu)

Alternator Kit 3VS-06128-0

Brand: Tohatsu

SKU: 3VS-06128-0

$702.10
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The Genuine Tohatsu 3VS-06128-0 Alternator Kit is designed for selected 25HP and 30HP 4-stroke outboard motors. This genuine OEM charging system kit provides factory-specified alternator components for compatible engines, helping generate electrical power while the motor operates. Ideal for replacing faulty charging components or fitting the specified alternator equipment, it supports reliable battery charging when installed with the appropriate rectifier and electrical connections.

Key benefits

Key Benefits

  • - Genuine Tohatsu OEM alternator kit.
  • - Designed for MFS25D and MFS30D 4-stroke outboards.
  • - Factory-listed charging system accessory.
  • - Helps provide electrical power while the engine is running.
  • - Supports battery charging with the appropriate rectifier and wiring.
  • - Suitable for replacing damaged or faulty alternator equipment.
  • - Designed for integration with compatible factory electrical components.
  • - Suitable for marine electrical system repairs and upgrades.

Specifications & Dimensions

  • - Manufacturer: Tohatsu
  • - OEM Part Number: 3VS-06128-0
  • - OEM Ordering Number: 3VS061280M
  • - Factory Description: Alternator Kit
  • - Product Type: Outboard engine alternator / charging kit
  • - Engine Type: 4-stroke
  • - Compatible Horsepower: 25HP and 30HP
  • - Electrical System: 12V outboard charging system
  • - Alternator Type: Engine-mounted charging assembly

Compatible Tohatsu Outboards

  • 4-Stroke – 25HP
  • - MFS25D – 25HP: Confirmed in 2022, 2023 and 2024 factory parts catalogues.
  • 4-Stroke – 30HP
  • - MFS30D – 30HP: Confirmed in 2022, 2023 and 2024 factory parts catalogues.

Cross-Reference & Replacement Part Numbers

  • Genuine Tohatsu OEM
  • - 3VS-06128-0 – Genuine alternator kit.
  • - 3VS061280M – OEM ordering number.

Signs the Alternator or Charging System Needs Replacing

  • - Battery fails to charge while the engine is operating.
  • - Battery voltage does not increase when the engine is running.
  • - Charging output is intermittent or inconsistent.
  • - Electrical accessories lose power during operation.
  • - Damaged or corroded alternator wiring.
  • - Burnt or deteriorated charging coil windings.
  • - Loose or damaged electrical connections.
  • - Alternator fails the manufacturer's electrical resistance or output tests.
  • Important: A flat battery or charging fault does not necessarily indicate a defective alternator. Inspect the battery, rectifier, wiring and connections before replacing components.

Important Fitment Information

  • - Confirm the exact outboard model and serial number before ordering.
  • - This is a genuine Tohatsu OEM alternator kit, not an aftermarket replacement.
  • - Factory-listed for selected MFS25D and MFS30D 4-stroke outboards.
  • - Do not confuse 3VS-06128-0 with 3RS-06128-1 or 3GR-06128-0, which are different alternator kit references.
  • - Confirm whether the engine already has the required charging components installed.
  • - A compatible rectifier/regulator and electrical connections may be necessary for battery charging.
  • - The exact electrical output rating has not been verified and should not be assumed.
  • - Inspect existing wiring, connectors and mounting points before installation.
  • - Follow the manufacturer's electrical testing and installation procedures.
  • - Disconnect the battery before servicing electrical components.
  • - Verify charging voltage and system operation after installation.

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