Mobil 1 Extended Performance High Mileage Full Synthetic motor oil 5W-30 is designed for engines with over 75,000 miles and a proprietary blend for up to 15,000 miles between oil changes, and extends engine life for high mileage vehicles of all ages better than conventional oil. Its uniform synthetic oil molecules reduce friction, helping to prevent deposits and sludge buildup. Providing outstanding engine wear protection for over 250,000 miles*, this technologically advanced formulation provides excellent internal engine heat protection (up to 500 degrees Fahrenheit), and low-temperature capabilities (to -40 degrees Fahrenheit), supporting quick cold-weather starting and ultra-fast protection. Mobil 1 Extended Performance High Mileage Full Synthetic motor oil 5W-30 also helps control oxidation to prevent oil breakdown, and is recommended for all types of modern vehicles, including high-performance, turbocharged, supercharged, multi-valve and fuel-injected engines that are found in passenger cars, SUVs, light vans, and trucks. Mobil 1 is the world's leading synthetic motor oil brand, recommended by more car builders, experienced mechanics, and used by more NASCAR teams than any other brand of motor oil.** (*Total engine miles. Tested in vehicles primarily in highway driving conditions with respective product recommended oil change intervals.) (**Based on the results of a 2016 Frost & Sullivan survey.)
Returns Policy
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, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. 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.