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Sierra 18-2166 Propeller Shaft for MerCruiser Alpha I & Mercury Mariner Outboards

Manufacturer

Part Number

18-2166
Sale Price

$418.86

2 left at this price

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Usually delivered within 2 days

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FREE SHIPPING

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-2166 is a replacement propeller shaft designed for MerCruiser Alpha I sterndrives and Mercury/Mariner outboard applications. This shaft serves as a direct replacement for the OEM Mercury part number 44-824110, providing a precise-fit solution for restoring proper drivetrain function to your marine engine.

Sierra manufactures this prop shaft to meet or exceed original equipment specifications, ensuring reliable power transfer from the gearcase to the propeller. Built to withstand the demands of the harsh marine environment, this shaft is engineered for durability and long service life in both freshwater and saltwater applications.

Key Features:

  • Direct replacement for OEM Mercury/Mariner propeller shaft
  • Replaces OEM part number: 44-824110
  • Meets or exceeds original equipment manufacturer specifications
  • Engineered for use in MerCruiser Alpha I sterndrives and Mercury/Mariner outboards
  • Built to handle the demands of the marine environment
  • Backed by Sierra's Limited Lifetime Warranty

Cross-reference OEM part numbers: 44-824110, 8M0140440. This propeller shaft is an essential drivetrain component — a worn or damaged shaft can cause vibration, poor performance, or complete loss of propulsion. Restore smooth, reliable operation with this quality Sierra replacement part.

good for hard to find parts

Great,easy to use service!

great price

simple transaction

good so far....

Quick and provided what I needed.

Only disappointment was tried to use wt10 discount code found at retailmenot and it would not work, but a lesser code for 35 % discount on shipping did work. I amexpecting these to be for the front control arms, not rear...please confirm this.

Product was the cheapest I could find. One other store was cheaper but did not have my product in stock. Autoplicity shipped within 2 days and the product arrived as described. I am happy with my purchase and would do business with Autoplicity again. The only thing I marked them on was that I wish they shipped within 1 day instead of 2.

Very pleased with all aspects of this transaction.

Amazon payments made it fast and more trusted. Free shipping and tax made it affordable.

good

best pricing

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