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Sierra 18-5852 Shrouded Relay for Mercury/Mariner Four-Stroke Outboard Engines

Manufacturer

Sierra

Picture for manufacturer Sierra

Part Number

18-5852
13 reviews
04/23/2036 8:18 AM
Sale Price

$17.89

In Stock (10+)

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The Sierra 18-5852 is a high-quality shrouded relay designed specifically for select Mercury and Mariner four-stroke outboard engines. This essential electrical component ensures reliable power distribution and circuit protection in demanding marine environments.

Key Features:

  • Shrouded design protects relay contacts from moisture, salt spray, and corrosion
  • Direct replacement for Mercury/Mariner OEM part numbers 853292, 821509, and 821509T1
  • Engineered to meet or exceed original equipment specifications
  • Built to withstand harsh marine conditions and high electrical demands
  • Backed by Sierra's Customer Satisfaction Warranty for quality assurance

Specifications:

  • Fits Mercury/Mariner Four-Stroke 45 HP engines (Serial Range 0G231123 to 0G472132)
  • Fits Mercury/Mariner Four-Stroke 50 HP engines (Serial Range 0G231123 to 0T178499)

Sierra has been a trusted name in the marine aftermarket industry for over 50 years, delivering reliable replacement parts that protect your investment and keep your engine running at peak performance.

Products specifications

Compatibility

Fits Four Stroke: 45 HP (0G231123- 0G472132); 50 HP (0G231123- 0T178499). Replaces Mercury 821509T01821509853292

Type

Engine Parts

I bought an Exedy Organic Clutch at the best price I could find. Shipping was also prompt. Legit dealer, good business.

Easy

great prices

Easily done, quick

Quick and easy ordering. Item was well packaged and in great condition.

Easy ordering

So far so good, had what I need and reasonable prices. Now we wait to see how fast it gets here.

best price i found online

It was pretty easy, id do it again

Best deal I've seen on that resonator .

It was great

Very good price on item. Shipped and arrived in very good time. Good communication.

Great prices with fast shipping

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