Sierra 18-5743-1 Voltage Regulator for Mercury Marine Engines

Manufacturer

Sierra

Part Number

18-5743-1
03/13/2036 9:10 AM
Sale Price

$157.52

In Stock (10+)

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Usually delivered within 2 days

free shipping

FREE SHIPPING

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-5743-1 is a high-quality replacement voltage regulator designed for Mercury marine engines. This voltage regulator maintains proper charging system voltage to protect your boat's electrical components and ensure reliable battery charging while underway.

Key Features:

  • Direct replacement for Mercury OEM voltage regulators
  • Regulates alternator output to prevent overcharging and battery damage
  • Precision-engineered to meet or exceed OEM specifications
  • Durable marine-grade construction for harsh saltwater environments
  • Ensures consistent voltage output for optimal electrical system performance

Sierra Marine is a trusted name in aftermarket marine engine parts, offering reliable performance at competitive prices. This voltage regulator is manufactured to strict quality standards to provide dependable service season after season.

Fast easy checkout

Product worked great

Easy checkout, product arrived quickly. Would use them again.

Item arrived faster than previously anticipated as it was on back order. Very happy

Quick ship and a good deal!

Good

Rims shipped in a timely fashion and arrived when they said they would

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