Mercury 200-400HP L6 Verado Oil Change Kit 8M0188359 Genuine OEM Mercury-Mercruiser part. This Mercury 4-Stroke Oil Change Kit contains everything you need to change the oil on your 200-400HP L6 Verado Outboard. Mercurys line of DIY oil change kits are ideal for DIYers who want to save time, money, and hassle. This convenient kit comes with Mercury engine oil, an oil filter, a seal, and instructions. 4-Stroke Outboard Oil Change Kit for 200-400HP L6 Verado engines Kit Contains 7 1 Liter Mercury