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Are you assembling a brand-new engine? Need to repair a broken or deteriorated head gasket? Or are you concerned about the price of a blown head gasket? Sierra provides budget-friendly and high-performance cylinder head gaskets to meet your needs. Sierra Head gasket 18-3861. Head gasket replacements for Mercury and Mariner outboards. Between the cylinder head and engine block lies the head gasket. A head gasket seals the engine block and cylinder head, preventing leaks and pressure loss. Keep your engine in good shape with premium head gaskets from Sierra.
Key Features:
Specifications:
For: Mercury 135, 150, and XR4
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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