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Sierra 18-7123 Marine O-Ring for OMC Sterndrive and Cobra Stern Drive

Manufacturer

Picture for manufacturer Sierra

Part Number

18-7123
12 reviews
Sale Price

$8.99

In Stock (6)

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Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-7123 is a precision marine O-ring designed as a direct replacement for OMC Sterndrive and Johnson/Evinrude outboard applications. This sealing ring meets or exceeds OEM specifications, ensuring a reliable, leak-free fit during installation or routine maintenance.

Specifications:

  • Inside Diameter (I.D.): 2.235"
  • Width: 0.100"
  • Quantity: 1 per package

OEM Cross-Reference Numbers:

  • OMC Sterndrive: 308876
  • Johnson/Evinrude Outboard: 308876
  • GLM: 81400
  • AP: 55-256

Sierra marine parts are engineered to meet or exceed the performance of the original equipment manufacturer parts they replace. Backed by the SeaStar Solutions warranty, this O-ring is a trusted choice for sterndrive and outboard engine maintenance and repair.

so easy. Let's see the quality of the product

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+.....

Talked on the phone first and they were very helpful. Website was very easy to use.

Super fast shipping, Best pricing that I was able to find on the internet. Will do business with them again and recommend them to my friends.

nice offering of piston ring compressors!

Easy and fast, can't beat that with a stick. It even arrived a day earlier than indicated. What else can I ask for. The install was really smooth and really did only take me about an hour. However, I did have access to a lift because a friend of mine owns

was quick and easy

great prices!

great choices and great pricing. Quick easy check out

Great prices and great service. It was shipped the next day!

Very easy and great price on this item.

great and quick

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