Your Cart

Sierra 18-2646-1 Marine Lower Unit Seal Kit

Manufacturer

Sierra

Picture for manufacturer Sierra

Part Number

18-2646-1
14 reviews
03/14/2036 8:52 AM
Sale Price

$97.59

In Stock (10+)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Add To Cart

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-2646-1 is a comprehensive lower unit seal kit designed for marine outboard and sterndrive applications. This complete seal kit provides all the necessary gaskets and seals required for lower unit maintenance and rebuild procedures, ensuring proper sealing and protection against water intrusion.

Key Features:

  • Complete seal kit for lower unit service and rebuilds
  • Replaces Mercury Marine OEM part number 26-816575A3
  • Includes all critical seals and gaskets for lower unit assembly
  • Precision-manufactured to OEM specifications for reliable fit and performance
  • Designed to prevent water contamination and gear oil leakage

This seal kit is an essential component for routine lower unit maintenance, helping to extend the life of your marine drive system by maintaining proper lubrication and preventing corrosion. Sierra Marine parts are engineered to meet or exceed original equipment standards, making them a trusted choice for marine technicians and boat owners.

I ordered a set of in track vent visors for my truck. I ordered them on a Sunday, so it wasnt processed till Monday. The confirmation hit my email immediately though. And the visors were at my house by Thursday morning. Plus they give you $5 back just to write a review. I'll use them again.

good

very enjoyable!

Not complicated. Checkout with Amazon made it even easier.

price is reasonable great web site don't have to go through an act of congress to find what you need. Thank you.

It was quick and simple. Found part and it was in stock.

Unbeatable prices...

Very easy so far.

I placed an order on Monday & received product on Saturday. I am very pleased with the turn around time & the price. They had the best price on the internet that I found and they were helpful to work with.

Always got the best price.

I found my part easily (vent visors), checkout was simple, and I was notified the very next day that my item has been sent. The price (including shipping) was way lower than anywhere else online or in town.

Great

Great price on parts, shipping a tad high but still okay

Fast and easy!!!

Share icon
Return Policy
Returns are easy at Boatplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy