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Sierra 18-2285 MerCruiser Alpha One Sterndrive Shim Set Replaces 15-47397A1

Manufacturer

Picture for manufacturer Sierra

Part Number

18-2285
12 reviews
Sale Price

$21.59

3 left at this price

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Usually delivered within 2 days

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No Hassle Returns

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Live-in-stock inventory

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Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-2285 is a replacement shim set designed for MerCruiser Alpha One Generation I and Generation II sterndrive gear housings. This shim set is used during gear housing service and rebuild to properly set bearing outer race preload and pinion gear depth, ensuring correct drivetrain alignment and long-term durability.

Key Features:

  • Precision-manufactured shims for accurate gear housing setup
  • Used for bearing outer race shimming (.002, .003, .005, and .010 inch increments)
  • Compatible with 3.500" diameter case sterndrive gear housings
  • Engineered to meet or exceed OEM specifications
  • Drop-in replacement for Mercury Marine / Quicksilver OEM part

OEM Cross-Reference:

  • Replaces Mercury Marine / Quicksilver: 15-47397A1
  • Supersedes: 15-35931A1

Sierra marine replacement parts are manufactured to meet or exceed original equipment standards, making this shim set a reliable choice for professional marine technicians and do-it-yourself boaters performing sterndrive gear housing service or rebuild.

I was very pleased with my transaction with Autoplicity. My order was shipped the next day and received the following day. The pricing was also the best I could find. I would definitely buy from them again and recommend them to others.

Great price and fast shipping

Great

I searched around and Autoplicity had the best deal. their website was easy to navigate and checkout, and the order shipped quickly. I would definitely buy from them again.

quick and easy! had no problems at all

fast simple and great price but shipping is a bit pricey

EASY TO ORDER

great

Exceeded my expectations searching and ordering

I placed an order with Autoplicity and it shipped the next day. The first part of the order was received he following day but I had to wait 5 days for the second part to come from across the country. They were available on the phone for questions, prompt, and courteous every time I called. Autoplcities pricing was the best that I could find anywhere for my autometer gauge, and I will definitely be doing business with you guys again!<br>

Good so far

Order arrived fast. They were definetly the cheapest of all the online retailers.

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