My Account
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order

Sierra 18-2020 Swivel Bearing Housing Oil Seal Replaces OMC 310649

Part of: Sierra Oil Seal for Yamaha Outboard Lower Unit

Other options in this family: Sierra 18-2001 Sierra 18-2061 Sierra 18-2062 Sierra 18-0267 Sierra 18-2029

Manufacturer

Picture for manufacturer Sierra

Part Number

18-2020
10 reviews
Sale Price

$21.39

4 left at this price

delivery box

Usually delivered within 2 days

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 18-2020 is a replacement swivel bearing housing oil seal designed for OMC Stringer sterndrive lower gearcases. This aftermarket seal directly replaces OEM part number OMC 310649 and is engineered to provide a reliable, leak-free fit in the swivel bearing retainer of the lower gear housing.

Key Features:

  • Direct replacement for OEM part number OMC 310649 (also referenced as 0310649)
  • Fits OMC Stringer sterndrive lower gearcases with mechanical shift systems
  • Seals the swivel bearing housing to prevent gear oil leakage
  • Manufactured by Sierra International, a leading supplier of aftermarket marine engine parts
  • Dimensions: 2.500" ID x 3.000" OD x 0.250" Width

OEM Cross-Reference:

  • OMC / BRP: 310649, 0310649
  • GLM: 86040
  • Sierra: 18-2020

This seal is also a component found in Sierra lower unit seal kits including 18-2663 and 18-2664, used during full lower unit reseal services on OMC Stringer outdrives. Sierra International products are backed by a comprehensive customer satisfaction warranty covering parts and labor.

By far the fastest shipping and best prices on the web. Ordered it one day and it showed literally the next. Will definitely be buying from again!

Very easy

Great

First time using Autoplicity. Online ordering was fast and easy. Price on tuner was lowest I found. I called customer service with question about shipping,Got right through.Shipping was FAST. I just found me a new favorite online store. Got to give Autoplicity an A+.....

Very good

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.

Smooth process.

Quick order processing. Excellent customer service when calling to inquire the status of the order.

Easy to shop

Easy website to shop on. Good phone support. Package will be arriving in a timely manner. All in all seems like a good company.

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