Sierra 18-7852-1 Fuel Water Separator Kit Sierra Fuel Water Separator Kit Contains 18-7845 Fuel Filter, 18-7853-1 Fuel Water Separator Bracket, 18-4256 Pipe Plug Sierra part number: 18-7852-1 Interchangeable with the following: Crusader 22687, GLM 24950, Mallory 9-37851, Yamaha MAR-SEPAR-AT-OR