Whether you're replacing a blown head gasket in your everyday driving or finishing off a high-compression racing engine, you've come to the right place. We've got the right head gasket you need, Sierra Head Gasket (18-3876). Head gaskets seal the cylinder head (where your spark plugs are) and the cylinder block to resist engine compression and allow cooling water to pass between them. Engineered to satisfy today's high horsepower engine needs and the harsh maritime environment. With this high-quality marine product, you can enjoy your time on the water even more.
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Specifications:
Fits: MCM/MIE GM V-8 (283, 305, 327, 350 & 377 cid) engines, For: GM 305 (5.0L)/350 (5.7L) CID Eng.
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.
Sea Star Solutions
For use in Sierra, Mercruiser, Mallory, and Chrysler Inboards, the Sierra M/C Head Gasket (1) was created. Sierras built between 1976 and 1989 can use OMC Stern Drive head gaskets. These engines on...
Sea Star Solutions
The HEAD GASKET is renowned for its longevity and tightness and doesn't need to be treated against corrosion. The Head Gasket can withstand high temperatures and create a tight seal when it is snugly...
Sea Star Solutions
A head gasket's primary function is to endure high temperatures and pressures. The gasket prevents overheating damage by sealing the coolant channels between the cylinder head and engine block. The...
Sea Star Solutions
The Head Gasket prevents any combustion gasses from getting into the cooling system. It helps to keep the coolant or oil from leaking and prevents your engine from overheating and catching fire that...
Sea Star Solutions
The Sierra 18-4305 Powerhead Gasket Set is made up of high-quality components. GLM 39370, Evinrude/Johnson 439083, 393433, 437806, and Mallory 9-64113 are all designed to be interchangeable. Sierra...
