Marine-grade aftermarket rectifier for selected Mercury 20 HP outboard engines equipped with a 12V charging system.

Fitment

Suitable for selected 20 HP Mercury outboards:

This does NOT mean that every Mercury 20 HP engine manufactured from 1984 to 2004 uses this rectifier.

Mercury used different electrical and charging systems depending on the model, production period and engine serial number.

The safest way to confirm fitment is to match your original rectifier to one of the part numbers below.

Replaces Mercury Part Numbers

OEM part numbers are used for identification only.

Please check:

If the rectifier looks the same as yours, this does not always mean it is the correct part.

If unsure, send SSI Marine your engine serial number and we will be happy to check compatibility.