Quick view Mercury 25W50 100 HOUR MAINTENANCE KIT FOR TWIN ENGINES 200-400HP M100HRKIT-4 Compare $403.54 Part # M100HRKIT-4 Previously Part # 200HR200-300 and 200HR350-400 Kit Includes:2ea 8M0078014 - GALLON 25W50 ENGINE OIL1ea 877769K01 - OIL FILTER1ea 888593 - OIL DRAIN PLUG GASKET1ea 858064K01 - QUART GEARLUBE2ea 8M0204693 - LOWER UNIT DRAIN PLUG GASKET Add to Cart Add to Cart Add to Wish List Add to My Wish List Create New Wish List