CDI Electronics 5709 Rectifier for 20 HP Evinrude Outboards
PART #: 5709
5709 is a replacement rectifier used on 20 HP Johnson/Evinrude 1977-97 models. Helps convert charging current for proper battery and electrical system operation. Helps maintain proper charging system operation on compatible engines.
Replaces OEM#: 175692, 581778
NEVER use maintenance free batteries with rectifiers as over voltage will occur which could damage battery and/or ignition components.