Sierra 18-7275 Fuel Pump for Mercruiser Stern DriveSierra high-quality fuel pumps are designed to meet OEM specifications. Includes gasket. Flange I.D.: 41422; Fits MCM/MIE 325, 330, 350 & 390; Interchangeable with: GLM; 77090; Mallory; 9-35418; Mercruiser Stern Drive; 86247; 86247T; 78820; 63196; 46860; 86247A2; OMC Stern Drive; 509410; Application:Mercruiser Stern Drive 325 GM 427; 1969-1972; s/n 2278747 thru 3780449; 325 MIE GM 427; 1968-1974; s/n 2278747 thru 3780449; 330 GM 454 V-8; 1982, 1986; s/n 4623115 thru 6083144; 330 GM 454; 1977-1981; s/n 4623115 thru 6083144; 330 MIE GM 454; 1982, 1986; s/n 4623115 thru 5889913; 330 MIE GM 454; 1977-1980; s/n 4623115 thru 5889913; 350 MIE GM 454; 1974-1976; s/n 3780450 thru 4623109; 390 GM 482; 1969-1970; s/n 2781129 thru 2825059; 390 MIE GM 482; 1969-1970; s/n 2781129 thru 2825059;