Listing is for an OEM Mercury Water Separating Fuel Filter 35-8M0106635. This is a genuine Mercury product designed specifically for 4-stroke outboard motors. This filter is essential for separating water from fuel, ensuring the proper functioning of your boat's engine. With the manufacturer part number clearly labeled, you can trust that this filter is a perfect fit for your Mercury outboard motor. Whether you are replacing a worn-out filter or upgrading to a genuine Mercury part, this product is a reliable choice for maintaining your boat's engine health.