Trust MERCURY OEM quality. Part 335891 delivers factory engineering designed for your exact engine — exactly what your engine was designed around. Avoid trouble down the road with genuine OEM parts from MERCURY. Aftermarket parts often fail when you need them most. Aftermarket components may seem cheaper initially, but premature failure costs far more in downtime and repeat repairs. Factory parts are built to withstand harsh marine conditions using proven materials and precise engineering. Don’t gamble with aftermarket when MERCURY factory part 335891 guarantees reliability you can trust. Genuine OEM means confidence every time you turn the key. Over 40 years in business, we’ve seen the difference — OEM parts keep boaters happy. FITS: Fuel Pump Assembly – Fits Mercury Mariner 2-Stroke 30–250 HP Outboard Engines This fuel pump assembly is engineered to fit a wide range of Mercury Mariner STAY OUT ON THE WATER LONGER WITH GENUINE OEM PARTS FROM US BOATWORKS. Over 2 million parts in stock including NLA and hard-to-find parts. Can’t find what you’re looking for? Call or text us: 913-342-0011