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Sierra 18-21751 Engine Coupler for MerCruiser Stern Drives

Manufacturer

Picture for manufacturer Sierra

Part Number

118-21751
9 reviews
Sale Price

$221.93

3 left at this price

delivery box

Usually delivered within 2 days

free shipping

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 18-21751 Engine Coupler is a precision-engineered replacement component designed for MerCruiser stern drive applications. This coupler serves as the critical connection between the engine and the drive unit, transmitting power from the crankshaft to the outdrive assembly.

Key Features:

  • Direct replacement for MerCruiser OEM part numbers
  • Manufactured to OEM specifications for reliable fitment and performance
  • Durable construction designed to withstand marine environments
  • Essential component for stern drive power transmission

Sierra International is a trusted manufacturer of aftermarket marine engine parts, offering quality replacements for inboard and stern drive applications. This engine coupler is engineered to meet or exceed original equipment standards, ensuring dependable operation and proper power transfer in your marine propulsion system.

Shipping seems fair. Easy website, best prices. Had to snap em up.

If my order is delivered and is correct part all is good

Great Reviews and Pricing

Quick to order

Package shipped and arrived very quickly at a great price. Only suggestion would be to place the original packaging in an outer package as the box it arrived in appeared to be a little worn.

received

It was easy

Great

Had what I needed at a great price

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