Sierra Transom Seal Kit 18-8217, Mercruiser Sterndrive Bellows Seal

The Sierra Transom Seal Kit 18-8217 is a replacement seal kit used for Mercruiser sterndrive bellows applications. It is designed to help maintain a watertight seal at the transom assembly, an area where a compromised seal can allow water intrusion into the boat. The kit is finished in white and carries the Sierra Classic style designation, matching the fit and finish expected of Sierra marine parts.

This is a compact, single-unit kit (1 count) intended for boat owners and marine technicians performing transom bellows seal maintenance or replacement on Mercruiser sterndrive-equipped boats. As with any transom seal component, it should be inspected and replaced as part of routine sterndrive maintenance to help prevent water intrusion at the transom.

Specifications

• Brand: Sierra
• Manufacturer Part Number: 18-8217
• Product Type: Transom Seal Kit
• Style: Classic
• Color: White
• Item Dimensions: 0.39 x 0.39 x 0.39 inches
• Weight: 3.13 pounds
• Unit Count: 1
• UPC: 808282305284
• Application: Mercruiser sterndrive bellows

Fitment

Mercruiser sterndrive bellows applications.

Replaces (OEM)

No OEM cross-reference numbers are specified for this part.

Frequently Asked Questions

What is the Sierra 18-8217 Transom Seal Kit used for? It is a transom seal kit used for Mercruiser sterndrive bellows applications, helping maintain a watertight seal at the transom assembly.

How many pieces come in the 18-8217 kit? The Sierra Transom Seal Kit 18-8217 is supplied as a single unit, with a unit count of 1.

What color is the Sierra 18-8217 transom seal? White is the color of the Sierra Transom Seal Kit 18-8217.

What are the dimensions of part number 18-8217? The item dimensions of the Sierra Transom Seal Kit 18-8217 are 0.39 x 0.39 x 0.39 inches.

How much does the Sierra 18-8217 seal kit weigh? 3.13 pounds is the weight of the Sierra Transom Seal Kit 18-8217.

Is the 18-8217 an OEM Sierra part or aftermarket? Sierra 18-8217 is manufactured by Sierra as a Classic style transom seal kit, sold under Sierra's own part number.

Does the 18-8217 kit fit all sterndrive boats? The Sierra Transom Seal Kit 18-8217 is intended for Mercruiser sterndrive bellows applications specifically.

What is the UPC for the Sierra Transom Seal Kit 18-8217? The UPC for this product is 808282305284.

Why does a transom seal need to be replaced? A transom seal such as the Sierra 18-8217 can wear or degrade over time, and a compromised seal can allow water intrusion at the transom, so it is a routine maintenance replacement item on sterndrive boats.

What style designation does the 18-8217 carry? The Sierra Transom Seal Kit 18-8217 is listed under Sierra's Classic style designation.