Sierra provides a complete range of direct replacement weight oils specially formulated to preserve your engine in the demanding maritime environment and under the intense load circumstances encountered each time you depress the throttle. Catalyst Premium Blend (18-9400CAT-2) 25W-40 Marine Engine oil by Sierra. These oils have been specifically formulated to meet the demands of modern four-stroke recreational engines equipped with or without emission catalyst systems and specially designed to provide superior lubrication and corrosion prevention. Perfect, just as anticipated. You can obtain it for an affordable price.
Key Features:
Specifications:
Note: This oil will not affect emission systems and may be used in any marine engine equipped with or without a catalytic converter.
These oils have been specifically designed to meet the unique requirements of modern 4-stroke recreational engines with or without emission catalyst systems. Approved for all 4-Stroke applications including Outboard, Sterndrive and Inboard. Exceeds all 4-Stroke requirements including FC-W and FC-W Cat Compatible.
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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