Want to know more about how your engine is breaking-in or wearing? Curious about whether or not your oil is doing its job? Want to be ahead of problems that may develop? PartsVu has partnered with Blackstone Laboratories and we are now offering professional oil analysis kits. Results are typically received in a few days via email. Shop now. This convenient kit includes 1 gallon + 2 quarts of Mercury FC-W 25W-40 Synthetic Blend Marine Engine Oil a Genuine 35-877761K01 Mercury oil filter This kit