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Sierra 18-5821 Starter Solenoid for Mercury/Mariner Outboard Motors

Manufacturer

Sierra

Picture for manufacturer Sierra

Part Number

18-5821
15 reviews
04/21/2036 12:03 PM
Sale Price

$77.12

In Stock (10+)

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Usually delivered within 2 days

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Product Details

The Sierra 18-5821 is a heavy-duty starter solenoid engineered specifically for marine applications on Mercury and Yamaha outboard motors. Built to withstand the harsh marine environment, this solenoid features corrosion-resistant construction that protects against saltwater exposure and ensures reliable starting performance season after season.

Key Features:

  • Marine-grade construction designed to resist saltwater corrosion
  • Meets or exceeds OEM specifications for quality and performance
  • Direct replacement for Mercury and Yamaha outboard starter solenoids
  • Compact design for easy installation
  • Reliable electrical contacts for consistent starting

OEM Part Number Cross-Reference:

  • Mercury 89-825096T
  • Yamaha 6G1-81941-10

This solenoid is compatible with Mercury 4-stroke outboards ranging from 9.9-hp to 90-hp models manufactured from 1999 and newer, providing a cost-effective alternative to OEM parts without sacrificing quality or reliability.

Products specifications

Compatibility

Fits 9.9 4-Stroke(1999 & Up)15 4-stroke (1999 & Up)304-stroke(2002 & Up)40/50/60 4-stroke(2001 & Up)75/90 4-stroke(2000 & Up). Replaces Mercury 89-825096T825096T01; Yamaha 6G1-81941-10.

Type

Engine Parts

Great

The delivery time could have been better..

Great

Verygood service

Quick and easy

Great shopping experience so far

Easy to Navigate and great prices

Lowest price around that i can find. Great communication also!

smooth

Shopping was fast and easy, however tracking my package was a nightmare. Went to their site and put in last name, order number, and zip code and there internet system could not match me up with anything. Called customer service and they could not provid

Quick and easy shopping.

Very easy and the best pricing

lowest price I could find ANYWHERE. Website needs some work (login screen appears to be asking you to login again after you enter account info).

Best prices on the internet and fast at getting the product out. Thanks!

I purchased a wiring connector and some additional wiring pins. Super fast shipping. Likely to buy from again.

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