Brand: Sierra Marine

Water Seal Damper, Sierra 18-3166

Sierra 18-3166 Water Seal Damper is for Yamaha outboard engines.

$13.27 USD

Only 1 left in stock — order soon

No hidden fees — Shipping and tax included in the price.

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Delivery by Nov 20

15-day returns

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Product Overview

Water Seal Damper, Sierra 18-3166

Water Seal Damper, Sierra 18-3166

Sierra's Water Seal Damper 18-3166 is designed for use with Yamaha outboard engines.

One water seal damper is included per package.

It is interchangeable with Yamaha Outboard 6E0-44366-00-00.

Each product from Sierra meets or exceeds the original equipment part it replaces.

To ensure proper fit, check specific part numbers.

Key Features

Sierra, Water Seal Damper, 18-3166
Designed for use with Yamaha outboard engines
Includes one water seal damper per package
Interchangeable with Yamaha Outboard 6E0-44366-00-00
Each Sierra product meets or exceeds original equipment parts
Check part numbers for proper fit

Specifications

Technical Specifications
Length
5.15 in
Width
3.95 in
Height
0.55 in
Weight
0.02 lb
Product & Shipping Details
Condition
New
UPC
808282200145
Ships From
United States
Brand
Sierra Marine

Customer reviews

Why customers shop with us

7 verified reviews on Trustpilot

Excellent customer service

“Excellent customer service. Had a small order issue that was remedied quickly with great communication!”

Paul Rogers Oct 1, 2026
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“This business communicates very well and delivers on their promise. I would work with them again”

William McKenney Oct 13, 2026
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Receive my 18*8-wheel super quick

“Receive my 18*8-wheel super quick, definitely I'll buy again.”

Suha luna Oct 26, 2026
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Amazing customer service

“My order was filled promptly and arrived as promised. …”

thealos ballas Oct 20, 2026
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“The customer representative was helpful in getting the correct parts ordered, and explained what was included and how to …”

Kamrun Naher Oct 15, 2026
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“Hello, I received my order today and matched as listed. it's super condition so quick …”

Kaynat Seher Oct 7, 2026
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Great customer service!

“Great customer service!”

Verified customer Oct 27, 2026
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FAQ

Frequently Asked Questions

About Water Seal Damper, Sierra 18-3166

01 What is the part number for the Sierra Water Seal Damper?

The part number is 18-3166.

02 Which engines is the Sierra Water Seal Damper designed for?

It is designed for Yamaha outboard engines.

03 How many water seal dampers are included in the package?

One water seal damper is included per package.

04 What is the UPC / barcode for this product?

The UPC/barcode for this product is 808282200145.

05 Where does this ship from?

Orders ship within the USA directly from our authorized U.S. distributor and brand warehouses.

06 How many days will it take to arrive?

Orders ship within 1-2 business days and typically arrive within 4-5 business days via free standard shipping -- usually by Nov 20.

07 Does this product accept returns?

Yes -- this item can be returned within 15 days of delivery for a free return by mail. See our return policy for full details.

Water Seal Damper, Sierra 18-3166

Special Offer

Water Seal Damper, Sierra 18-3166

Get 5% off this item today — code TRY5 at checkout.

$13.27