The Tohatsu Alternator Assy (P/N 399-06023-1) is a genuine OEM charging alternator/coil assembly used on selected Mercury/Mariner small outboards. It cross-references Mercury/Mariner OEM ref 16074 (commonly listed as 16074T in later catalogs). Use this part when replacing a failed or damaged alternator/charging coil to restore proper charging output when the correct match is confirmed.

Before ordering: verify your exact engine model/serial range and match the part numbers to your existing alternator/parts diagram to avoid ordering the wrong component.

• Part type: Alternator Assembly (charging alternator/coil)
• OEM / cross-reference: Tohatsu 399-06023-1; Mercury/Mariner 16074 / 16074T
• Typical applications: Mercury/Mariner 4/5/6 HP outboards (application varies by model and serial range)
• Brand: Genuine Tohatsu
• Notes: Fitment varies by engine version—confirm by engine serial number and the reference numbers above.

Tohatsu product note: Product images may be representative only and may not show the exact item supplied. Do not rely on the image—match the exact part numbers (399-06023-1 / 16074 / 16074T) to your requirement before purchase.