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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.
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Part #: 5709
Evinrude20 HPRectifierWeight: 1 lb
4.0 / 5  (21 votes)
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.

Notes:

NEVER use maintenance free batteries with rectifiers as over voltage will occur which could damage battery and/or ignition components.

List Price: $27.33
Your Price: $17.80
Normally In Stock

In Stock items ship same day if ordered before 3PM CST (excluding weekends and holidays)

Replaces OEM#'s

175692, 581778

Product Details

Built for harsh outboard operating conditions, this rectifier assembly supports stable electrical-system output and controlled charging-system performance.

Sealed diode circuitry and insulated marine-grade connections help maintain dependable charging-system performance under varying operating conditions.

Features

  • Helps maintain reliable charging-system performance
  • Designed for stable electrical-system output
  • Vibration-resistant internal circuitry
  • AC-to-DC charging current conversion design

Common Symptoms of a Failing Rectifier

  • Battery not maintaining proper charge
  • Intermittent charging-system performance
  • Dead battery after operation
  • Electrical-system voltage instability

Need Fitment Help?

Tell us your brand, horsepower, and part number. We can help verify fitment before you order.

Support PDF files appear on this page when available.