Brand: Sierra Marine

Bellow, Sierra International 18-1728, Flange Ring

Sierra International 18-1728 Bellow Flange Ring fits Alpha One (Gen II) (1991 & Up).

$45.90 USD

Currently out of stock

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Delivery by Nov 20

15-day returns

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Product Overview

Bellow, Sierra International 18-1728, Flange Ring

Bellow, Sierra International 18-1728, Flange Ring

Sierra products are designed to meet the demands of today’s high horsepower engines and withstand the harsh marine environment.

All Sierra products meet or exceed the part specifications of the original equipment they replace.

Many OEM engine manufacturers and boat builders receive hundreds of quality parts from Sierra every day.

Key Features

Fits: Alpha One (Gen II) (1991 & Up)
Visit fit-guideseastarsolutionscom to check this product's fit for your application
Fit Type: Universal Fit
Sierra International 18-1728 is a Bellow Flange Ring
Sierra products are engineered for high horsepower engine demands
Sierra supplies quality parts to OEM engine manufacturers

Specifications

Technical Specifications
Length
7.1 in
Width
5.9 in
Height
0.75 in
Weight
0.05 lb
Product & Shipping Details
Condition
New
UPC
808282295073
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 Bellow, Sierra International 18-1728, Flange Ring

01 What is the part number for the Bellow?

The part number is 18-1728.

02 What type of fit does this product have?

The fit type is Universal Fit.

03 Which engine model does this Bellow fit?

It fits Alpha One (Gen II) (1991 & Up).

04 What is the UPC / barcode for this product?

The UPC/barcode for this product is 808282295073.

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.

Bellow, Sierra International 18-1728, Flange Ring

Special Offer

Bellow, Sierra International 18-1728, Flange Ring

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