Mercury - Sterndrive and Inboard Oil Change Kit 25W-40 Marine Oil Service 8M0182226. Overview. Ask any seasoned boater and they'll tell you-an oil change isn't just maintenance, it's a reset. Fresh oil has a way of bringing an engine back to life, smoothing out the small hesitations you didn't even realize were creeping in. The Mercury 8M0182226 Sterndrive and Inboard Oil Change Kit gives you that same confidence. Everything you need to service your engine is right in the box, and when you finis