Boat owners and marine mechanics, this seal kit is exactly what you need for repairing your Mercruiser brass sea water pump! Specifically designed to replace OEM part numbers 26-8M2001645 and 26-862040, fitting Bravo brass water pumps 46-8M137216 and 46-8M0137217 assemblies. The custom seal includes a new design for the tolerance ring that allows you to remove the ring and seat the seal flush with the OD of the bearing for perfect installation. Made by an American-owned company committed to the highest quality aftermarket parts that meet or exceed OEM standards. Regular maintenance of your sea water pump is crucial for preventing overheating and engine damage, and this complete seal kit makes the job straightforward. Whether you're a professional marine technician or a DIY boat owner, having the right seals on hand can prevent costly downtime during peak boating season. Proper installation ensures reliable water flow to keep your engine running at optimal temperatures. Don't risk engine damage from failing seals - this affordable kit provides everything needed for a professional-quality repair that will last through many seasons on the water.