My Account
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order

Sierra 18-0965 Adapter Outer Powerhead Gasket for OMC Outboards

Manufacturer

Picture for manufacturer Sierra

Part Number

18-0965
12 reviews
Sale Price

$26.30

In Stock (10+)

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 18-0965 is a direct-replacement Adapter Outer Powerhead Gasket designed for OMC outboard engines. This aftermarket gasket is engineered to deliver a precise, leak-free seal at the adapter-to-powerhead interface, maintaining proper compression and protecting engine performance.

Key Features:

  • Direct replacement for OEM OMC part number 338879 / 0333879
  • Meets or exceeds original equipment specifications for a reliable, durable seal
  • Manufactured by Sierra International, a trusted leader in marine aftermarket parts
  • Drop-in fitment — no modification required

Cross-Reference Part Numbers:

  • Sierra: 18-0965
  • OMC / Evinrude / Johnson OEM: 338879, 0333879
  • GLM: 35780
  • Mallory: 9-60414

Sierra marine parts are built to meet or exceed OEM quality standards, making the 18-0965 a dependable choice for outboard engine maintenance and repair.

very great price

Excellent price and shipping. Easy to order.

no issues. good prices. The above was automatically input for me. However I don't feel as though its accurate. The part about no issues is correct buy the prices... Well the prices really weren't good. They were the best.

Very very good, even great! Best prices on the web and fastes service. Will continue to purchase all my automotive needs from here!

Great pricing on the radiator fans.

easy navigating

Perfect so far!

easy to to search for items

Anxious to try your product

Thanks for the service

So far good.

Great

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