O rings are the most often used seal in the industry because they are inexpensive. It is both cost-effective and efficient, as well as adaptable. It can be used in static as well as dynamic contexts. Pipes, cylinders, flanges, and plates are some of the static applications for O rings. If you're looking for these seals, make sure you know what kind of material an O ring is made of before you purchase it. Because of their simplicity, O rings are alluring. Keeping things simple is typically more convenient. Because they're all one piece, they're more durable and less likely to shatter. O rings are also easy to wear. Sierra's 18-7121 O-Ring is compatible with outboards and sterndrives from OMC, Mercury, and Mercruiser. Mallory 9-76651, GLM 82350, Mercury Marine 25-35029, OMC Stern Drive 308621, and Mercruiser Stern Drive 25-35029, 27-882613, and 802231 are all interchangeable.
Key Features:
Includes one o-ring per package
ensures that no air, gas, or liquid may enter through a joint between two sections
constructed to withstand high pressure
secures the equipment and ensures that it works properly, as well as being highly diverse
It has a 3.100" inside diameter and 0.135" breadth.
Product Specifications:
SKU: 18-7121
UPC: 030999321398
Weight: 0.01 LBS
Alternate Products SKU: "308621-PK", "25-00233", "35029", "18-7121"
Manufacturer Part Number (MPN): 18-7121
Quantity: 1
I.D.: 3.100" or 78.7mm, Width: 0.135" or 3.4mm
We can ship to virtually any address in the US. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.)
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, please Contact Us with your order number and details about the product you would like to return. We will respond quickly with instructions for how to return items from your order.
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