Sierra Tall Fuel Filter / Water Separator, 18-7845, gives your boat’s engine more protection from contaminated fuel. With extra capacity, the Sierra 18-7845 has high flow and high capacity with 21 micron filtration elements for use on gasoline powered boats. The 18-7845 has 66 Pleats – More pleats means more capacity. Best flow rate of all major brands. Will not separate 2 cycle oil from gasoline. Made in the U.S.A. It’s always a good idea to carry spare filter elements onboard. Filter Size: Long – 4.35″ or 110.5mm

Specs:

Rating: 21 Micron
Thread Pitch: 11/16-16
Ethanol blended fuel absorbs more water and loosens more particulates than regular fuels
Proper filtration is required for every horsepower engine
All filters flow at 90 GPH to feed even the hungriest motor

Interchange:

Fram: PS3808
GLM: 24940
Mallory: 9-37801
Mercruiser Stern Drive: 35-55501, 35-57250, 35-60494, 35-604941, 35-60494A5, 35-802893Q01, 35-8052691, 35-806771, 35-807172
Mercury Marine: 35-52456, 35-604941, 35-802893Q, 35-805269, 35-8052691, 35-807172
Moeller: 33324-10
Wix: 33225
Yamaha Outboard: ABB-FUELF-IL-TR