Quicksilver Mercury 15/20 HP Carb 4-Stroke Oil Change KitThe Quicksilver Mercury 15/20 HP 4-Stroke Oil Change Kit has everything you need for your boat's routine oil change. This kit includes one liter of Quicksilver 25W-40 engine oil, an oil filter, and a seal. Quicksilver 25W-40 marine oil is made to provide the longest lasting, strongest protection possible for your engine. New, advanced corrosion inhibitors outperform competition and meet all industry standards. These corrosion inhibitors provide protection against rust and corrosion in wet environments and during off-season storage. Additionally, Quicksilver oil uses high-tech additive technology to provide 33% greater camshaft wear protection compared to other oils.It is recommended that you change your engine oil and replace your oil filter ever 100 hours of use, or annually, whichever comes first.Application Everything you need for an oil change on all 15hp and 20hp Mercury outboards in one box; Kit includes (1) 1L bottle of Quicksilver 25W-40 4-stroke marine engine oil, Quicksilver premium oil filter and drain plug seal; Quicksilver 4-stroke marine engine oil is formulated with advanced corrosion inhibitors and provides outstanding lubricity to reduce wear, scuffing and scoring for improved long-term engine reliability; NMMA FC-W and FC-W catalyst compatible; 4-Stroke Oil Change Kit Includes: (1) Liter of Quicksilver 25W-40 Marine Engine Oil; (1) Quicksilver Oil Filter, OEM 822626Q03; (1) Quicksilver Seal, OEM 895146;