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Sierra 18-4221 Propeller Thrust Washer for Mercury Marine Outboards

Manufacturer

Picture for manufacturer Sierra

Part Number

18-4221
13 reviews
Sale Price

$30.66

In Stock (8)

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The Sierra 18-4221 Propeller Thrust Washer is a high-quality aftermarket replacement designed to meet OEM specifications for Mercury Marine outboard engines. This flat-style thrust washer is engineered for use in the small gear case on Mercury 4- and 6-cylinder inline outboards ranging from 75 to 150 HP, as well as 40–60 HP FourStroke BigFoot models equipped with rubber hub propellers.

Key Features:

  • Direct replacement for Mercury Marine OEM part numbers 13191A1 and 75282A1
  • Compatible with Mercury part numbers 13191Q01 and 13191T1
  • Interchangeable with GLM 21350, Aqua-Power 1193, and Redline RL4221
  • Designed for small gear case Mercury outboard applications
  • Flat-style washer design for rubber hub propeller applications
  • Manufactured to meet or exceed OEM fit and performance standards

Sierra Marine is a trusted name in aftermarket marine parts, delivering reliable, precision-engineered components for a wide range of outboard and stern drive applications. The 18-4221 thrust washer is an essential part of proper propeller installation and drivetrain maintenance.

Very easy and fast

So far I love everything that is taking place

Best prices

great

You seem to have the best price and your pictures help a lot. HOWEVER -- no place did my order say "Mercury Grand Marquis 2003 *Passenger Side* Glass -- and that has me concerned because I have to go by make/model/yr and then picture alone!

The delivery service was total mess the boxes were damaged and one of the nuts was missing .

easy to order, least expensive for same item selling elsewhere for up to50 more, plus shipping. Great site will use again

Best Price on the Net for K&N System for my 2012 HEMI RAM. My Order 18270 is shipping today and I can't wait to get it installed!

Great prices and fast delivery. I ordered my cam+springs+phaser kit for my 2007 mustang, I found the best prices with Autoplicity. Strongly recommend and most certainly purchasing here again

Pleased with entire transaction!

Good. Very satisfied with my purchase and delivery availability

Easy to navigate and shipping cost reasonable.

ordered a K&N air filter, pretty simple. good price, timely shipping.

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