Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF your first order!
Free Shipping Across USA
- No EU import duties. - Ships within 3-5 business days. (USA) - Ships with 8-12 business days. (International)
⚠️ California Proposition 65 Warning : Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
Sierra Products Are Engineered To Meet Todays High Horsepower Engine Demands And Stand Up In The Harsh Marine Environment. All Sierra Products Meet Or Exceed The Original Equipment Part It Replaces. Sierra Supplies Many Oem Engine Manufacturers And Boat Builders Hundreds Of Quality Parts Every Day
Yes, we offer free standard shipping on all orders within the United States.
When will I receive my item?
Domestic orders typically arrive within 3-5 business days. Delivery times are estimated and may vary depending on your location, weather conditions, or other unforeseen factors.
Can I change or return my item?
We hope you love your purchase, but if you need to make a change or return your item, we’ve got you covered! You can initiate a return or exchange within 30 days of receiving your order. Please ensure the product is in its original condition and packaging. For more information on our return policy, please visit our Returns & Exchanges page.
Frequently Asked Questions
Q: What type of outboard engines is Sierra Synthetic Blend Mercury Outboard Engine Oil suitable for?A: Sierra Synthetic Blend Mercury Outboard Engine Oil is specifically designed for use in Mercury outboard engines, ensuring optimal performance and protection.
Q: How often should I change the oil in my outboard engine?A: It is recommended to change the oil in your outboard engine every 100 hours of operation or at least once a year, whichever comes first, to maintain engine health.
Q: Can I use Sierra Synthetic Blend Mercury Outboard Engine Oil in other brands of outboard engines?A: While this oil is tailored for Mercury outboard engines, it can be used in other brands, but always check the manufacturer's recommendations for compatibility.
Q: What are the benefits of using synthetic blend oil for my outboard engine?A: Synthetic blend oil offers enhanced protection against wear, improved stability in high temperatures, and better overall engine performance compared to conventional oils.
Q: Is the Sierra 4 Ltr oil suitable for cold weather operation?A: Yes, Sierra Synthetic Blend Mercury Outboard Engine Oil is formulated to perform well in a range of temperatures, making it suitable for cold weather operation.
Recently viewed
<div class="dynamic-checkout__content" id="dynamic-checkout-cart" data-shopify="dynamic-checkout-cart"> <shopify-accelerated-checkout-cart wallet-configs="[{"name":"shop_pay","wallet_params":{"shopId":69204410420,"merchantName":"Carkart","personalized":true}},{"name":"amazon_pay","wallet_params":{"checkoutLanguage":"en_US","ledgerCurrency":"USD","placement":"Cart","sandbox":false,"merchantId":"A1ONOTYM25CI4M","productType":"PayAndShip","design":"C0002"}},{"name":"paypal","wallet_params":{"shopId":69204410420,"countryCode":"US","merchantName":"Carkart","phoneRequired":true,"companyRequired":false,"shippingType":"shipping","shopifyPaymentsEnabled":true,"hasManagedSellingPlanState":null,"requiresBillingAgreement":false,"merchantId":"KM9YTJJPBC5C2","sdkUrl":"https://www.paypal.com/sdk/js?components=buttons\u0026commit=false\u0026currency=USD\u0026locale=en_US\u0026client-id=AfUEYT7nO4BwZQERn9Vym5TbHAG08ptiKa9gm8OARBYgoqiAJIjllRjeIMI4g294KAH1JdTnkzubt1fr\u0026merchant-id=KM9YTJJPBC5C2\u0026intent=authorize"}}]" access-token="20810d98afa2dc52788bfff7f8a52a25" buyer-country="US" buyer-locale="en" buyer-currency="USD" shop-id="69204410420" cart-id="d82738817cebda40f72cf26ccb9afd42" enabled-flags="["2d75a54c"]" > <div class="wallet-button-wrapper"> <ul class='wallet-cart-grid wallet-cart-grid--skeleton' role="list" data-shopify-buttoncontainer="true"> <li data-testid='grid-cell' class='wallet-cart-button-container'><div class='wallet-cart-button wallet-cart-button__skeleton' role='button' disabled aria-hidden='true'> </div></li><li data-testid='grid-cell' class='wallet-cart-button-container'><div class='wallet-cart-button wallet-cart-button__skeleton' role='button' disabled aria-hidden='true'> </div></li><li data-testid='grid-cell' class='wallet-cart-button-container'><div class='wallet-cart-button wallet-cart-button__skeleton' role='button' disabled aria-hidden='true'> </div></li> </ul> </div> </shopify-accelerated-checkout-cart> <small id="shopify-buyer-consent" class="hidden" aria-hidden="true" data-consent-type="subscription"> One or more of the items in your cart is a recurring or deferred purchase. By continuing, I agree to the <span id="shopify-subscription-policy-button">cancellation policy</span> and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. </small> </div>
Cookie Policy
This website uses cookies to ensure you get the best experience on our website.
Read Privacy