Essential for your 4-stroke carbureted outboard, the Quicksilver Oil Change Kit for Mercury® 15-20hp Engines maximizes engine performance. This kit is for your Mercury 15-20Hp, 4-stroke carbureted outboard engine. It also works with your Mariner® outboard or MerCruiser® stern drive. Includes 1L bottle of Quicksilver® 25W-40 four-stroke oil, filter, drain plug seal, and plastic drip tray. Kit meets with all Mercury Marine original manufacturer specifications and contains essential items needed for a quick and easy oil change. Fits Mercury 15-20hp, 4-stroke carbureted outboard engines. Works with Mariner outboard or MerCruiser stern drive. Enhances performance and fuel efficiency. Everything needed for oil change. Please note that this item ships in its own packaging, so the contents may be identified.