879885Q 5-16 Fuel Filter Replacement for Mercury and Mariner 4-Stroke Outboard 35-879885T 35-879885Q Sierra 18-7718 Pack of 2

879885Q In-line Fuel Filter ltem number: 35-879885Q / 879885Q / 35-879885T / 879885T / 35-879885K / 879885K Sierra No: 18-7718 Size: 5/16 Inch This under-cowl, in-line fuel filter fits many Mercury and Mariner outboards replacing contaminated filters  and is mounted under the engine cowl. The translucent plastic cased filter allows you to check for fuel  content and contaminants. Don’t let water moisture or other fuel contaminants rob horsepower from your  engine. Filter those particles before they can get to your engine. Fit on: R/ MR/ Alpha One Stern Drive  Vazer / Blackhawk Drive  120/140 (1.98 Ratio) Stern Drive 165 (1.65 Ratio) SternDrive 223/ 225-S Stern Drive 470 /485 (1.84 RATIO) Stern Drive  888/ 895 (1.5 Ratio) Stern Drive  1228 (1.50 Ratio) Stern Drive  1250 (1.32 Ratio) Stern Drive Question: Just need to confirm if this one is gonna fit as the original                   one. Do you know what is the input and output diameter? Answer:  Size: 5/16 Question: Will this fit 2001 Mercury 50hp? Answer: Yes I replace it on my mercury 50hp