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My top bolt hole is used as a mounting point also aka 3 screws. OMC. My Seloc book says 2 but it is not what came on my motor. I ordered the #0438559 from Marine engines.com and they are not what i have the entire pump is bigger than mine. But everyone says its correct. I have pictures to...
I have a 85EL77S that has original pump. Diaphram went bad and I can't find a replacement that fits. My pump is a 0318374-D4. Ordered replacement from Marineengines.com and #1 It is bigger than mine and #2 bolt holes dont line up. Everywhere I have looked it's the same. My pump uses 3 bolts...
