A Sierra Marine Engine Parts - 18-2917-9 (118-2917-9) Thermostat Gasket (Pack Of 2) is composed of high-quality, long-lasting materials that are heat resistant, trustworthy, and simple to install. It has a long service life and is less easy to destroy since it is extremely robust and resistant to breaking. Because of unique sealing ideas and technologies, such as proprietary materials and one-of-a-kind design components, your thermostat is well-secured.
It's good to repair the gaskets as the thermostat to avoid a possible leak. Sierra gaskets are made to exacting standards and are 100% compatible with the OEM parts they're meant to replace. Sierra parts will fit correctly and perform to OEM standards, so boaters and technicians can rest easily.
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Fits: MCM/MIE GM V-6 & V-8 engines
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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