Tohatsu MFS4/5/6C Alternator Kit, Ref 3AS-06128-0 (Alt 3GR-06128-0)

This genuine Tohatsu alternator kit is designed to add 12V charging capability to compatible Tohatsu 4–6hp 4-stroke outboards. It supplies AC output (12V / 60W); a separate rectifier/regulator kit is required if you want to charge a 12V battery.

Tohatsu part number 3AS-06128-0 is also commonly shown as 3AS061280 and is listed as superseded/cross-referenced to 3GR-06128-0 (3GR061280) depending on engine version and supply chain.

• Part type: Alternator kit (charging coil kit)
• Output: 12V / 60W (AC)
• OEM references: Tohatsu 3AS-06128-0, 3AS061280; alt/ref 3GR-06128-0, 3GR061280
• Fits (verify by model/year): Tohatsu MFS4C, MFS5C, MFS6C (4-stroke) and related NSF “Sail Pro” variants where specified by parts catalogue
• Typical kit contents: Alternator/coil assembly with mounting screws and clamp for installation under the flywheel (kit contents can vary by revision—confirm on receipt)
• Also referenced for: Some Mercury/Mariner 4/5/6hp FourStroke applications under Mercury alternator kit ref 16074T05 (confirm by your serial number and parts list)

Important: Fitment varies by engine revision. Always match your engine model/serial range and the part number required in your parts diagram before ordering.

Tohatsu image disclaimer: Product images may be generic and may not show the exact alternator kit supplied. Do not rely on the image—match the OEM numbers and your required application exactly before purchase.