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Sierra 18-5776-1 Marine Switch Box for Mercury Mariner Outboard

Manufacturer

Sierra

Picture for manufacturer Sierra

Part Number

18-5776-1
9 reviews
03/12/2036 7:57 PM
Sale Price

$153.36

In Stock (10+)

delivery box

Usually delivered within 2 days

free shipping

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Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-5776-1 is a premium aftermarket switch box designed for Mercury and Mariner outboard motors. This critical ignition component controls the electrical discharge to the spark plugs, ensuring reliable engine starting and smooth operation. Engineered to meet or exceed OEM specifications, this switch box delivers dependable performance in harsh marine environments.

Key Features:

  • Direct replacement for Mercury/Mariner outboard ignition systems
  • Precision-engineered CDI (Capacitor Discharge Ignition) module
  • Compatible with 2-cylinder engines: 18HP, 25HP, and 40HP models
  • Built to withstand corrosive saltwater and freshwater conditions
  • Manufactured to Sierra's rigorous quality standards

OEM Cross-References:

  • Mercury Marine: 339-7452A3, 339-7452A2, 339-7452A1, 899883230
  • CDI Electronics: 114-7452A3
  • Mallory: 9-25101

Sierra Marine provides premium-quality aftermarket replacement parts for over 6,000 marine components. Each part is designed to deliver reliable performance and durability, backed by extensive testing and quality assurance protocols.

Shipping is fast and high quality parts Thank you

Good price.

Easy and fast!

I contacted customer service because I was not able to sign on with google to leave a positive review. they did not get back to me within 24 hrs like they say Also pictures show the incorrect product for the description for example a picture of Interlux 2333N has a description for Interlux 333, different product yes some pictures for the Interlux 333 show the correction description I assumed you don't have Interlux 2333N so I ordered from someone else.

It was a quick easy decision to purchase my new stainless steel prop through their site. Good job.

Very easy to find and choose my tires and the shipping was fast

Nice tires; Great price

Fast and great customer service

Zzzz

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