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Sierra 18-2204 Mercury 43-75325A3 Marine Gear Set 1.84:1 Ratio

Manufacturer

Picture for manufacturer Sierra

Part Number

18-2204
10 reviews
Sale Price

$498.91

1 left at this price

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Usually delivered within 2 days

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Product Details

The Sierra 18-2204 is a replacement marine gear set designed as a direct replacement for Mercury/Quicksilver OEM part 43-75325A3. Featuring a 1.84:1 gear ratio, this gear set is engineered for use in Mercury outboard lower unit gearcase assemblies, delivering reliable power transfer from the driveshaft to the propeller shaft.

Sierra International is a leading manufacturer of aftermarket marine parts, producing components that meet or exceed OEM specifications. This gear set is manufactured to tight tolerances to ensure smooth, quiet operation and long service life in demanding marine environments.

Key Features:

  • Gear Ratio: 1.84:1
  • Direct replacement for Mercury/Quicksilver OEM part 43-75325A3
  • Manufactured to meet or exceed OEM specifications
  • Precision-machined gears for smooth, reliable engagement
  • Designed for Mercury outboard lower unit gearcase applications
  • Sierra International quality — a trusted name in marine aftermarket parts

This gear set is a cost-effective, high-quality alternative to the OEM Mercury gear set, making it an ideal choice for marine technicians and boat owners performing lower unit rebuilds or gear set replacements.

good price

So far so good

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We ordered a Thule 9003 Raceway 2-bike rack for my 2011 Honda Civic and it arrived in 2 days. We were very surprised at the fast service. I also had my thoughts that it wouldn't be the exact name brand product I was looking for and a off brand but the same type and I have to say it was exactly the product I wanted. The price was great too. I researched several dealers and Autoplicity was the lowest price at $100 less than others and that included the shipping. I would definitely order from Autoplicity again.

Checkout was easy

I didn't get a shipping notice until three days after I got the product. It was exactly what I ordered and did arrive during the proper time frame

I have been looking for rain guards for my car for 6 months now I finally found hem fast and easy check out :)

My son found the headlights he wanted and checking out was a breeze.

I'd like to make sure if they are all original Bosch and

Very happy with the price and the shipping time. I have bookmarked the store, as I am sure I will be back again. They were one of two who had what I needed and 25% less in price.

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