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Sierra Marine (MW)
118-2171

Sierra 18-2171 MerCruiser GM Engine Coupler - (MW)

SKU SIE-18-2171 MPN 118-2171 UPC 030999311757 MFR Sierra Marine (MW)

Express
Toronto, ON Vancouver, BC NJ, Warehouse FL, Warehouse
"Express" items are automated and typically shipped out the next available business day and delivered within 4 days.
In Stock 2 available
$255.29
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Sierra 18-2171 MerCruiser Engine Coupler

Sierra replacement round style engine coupler for all GM marine engines Except MerCruiser MR/Alpha/Bravo with Triangular, 3-bolt coupler. All Sierra aftermarket parts are manufactured to meet or exceed OEM requirements.

Interchangeable with:

  • GLM
    • 11500
  • Mallory
    • 9-72502
  • MerCruiser Stern Drive
    • 32492A2
    • 32492A3
    • 32492A5
    • 38965A1
    • 38965A2
    • 76850A2

How to Align Your Boat Engine Video

WARNING: Cancer and Reproductive Harm - P65Warnings.ca.gov

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Product Specifications

Dimensions6.0000" L × 6.0000" W × 6.0000" H
Shipping Weight3.63 lb
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Proudly serving customers across United States & Canada with Marine, RV parts and accessories.

Shipping Warehouse Locations:
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Florida, USA

About Us

LibertyMarineUSA supplies marine and RV parts and accessories from trusted U.S. manufacturers and proven, quality-approved imported manufacturers. We focus on dependable, quality-tested products from reliable sources, so you can maintain, repair, and outfit your boat or RV with confidence.

Our goal is simple: to deliver the best quality marine parts you can count on. We focus on dependable service, fast shipping, and proven products that are either American-made or American-tested and approved for quality and reliability.