Mercury Outboard Fuel Pump Diaphragm 55156A5 80hp 115hp 150hp 40hp 1970s 55278A1 Pulley - Crankshaft 1972 1973 1974 1975 1976

1972 1973 1974 1975 1976 1977 188hp Stern Drive Alpha One

Adapter Plate: 56711A 2

AQ-280-DP/DT

Upper and Lower Mount Washer: 908115

Mercury Outboard Fuel Pump Diaphragm 55156A5 80hp 115hp 150hp 40hp 1970s 55278A1 Pulley - Crankshaft 1972 1973 1974 1975 1976Item Description Mercury Part Number 55156A5 Fuel Pump Assembly Also part of this assembly is the diaphragm kit 55278A1 Found on various Mercury 4 cylinder & 3 cylinder outboards with dual fuel pumps that look like this, newer models (serial group #2) had a competely different style of pump. Please ask or consult your parts manual for ultimate compatibility. If you are unsure on compatibility feel free to ask! Purchase with confidence! General