Sierra 18-7914 Mercury 4-Stroke Oil Filter Sierra high-quality replacement engine parts are designed to meet OEM specifications. This canister filter is an exact fit and performance replacement to your current OEM canister filter. Pressure and leak tested to ABYC and USCG standards. Fits MercuryMariner 25hp Carb, 2006 Prior, 30hp 3 cyl., 2005 prior, all 40-60hp 1998 newer. Fits MercuryMariner all 75-115 hp OBs 1B366822 prior and all 75-115 hp 2B094996 up. Fits Mercury 2530 hp EFI 4 Strokes,