Replaces: GLM: 85621 Mercury/MerCruiser: 26-830749 Sierra: 18-2430 Fits Mercury/Mariner 3-cyl, 30-125 HP | 4-cyl, 40-175 HP | 6-cyl, 200-350 HP | V6, 135-250 HP outboard gearcases. Stainless steel with a Nitrile exterior. Fits MerCruiser Alpha Gen II, Bravo, Bravo X, Bravo XR, SSM, Dry Six, NXT, Vazer, & Zeus Drive gearcases. Stainless steel with a Nitrile exterior. Specs: