Mercruiser GM Big Block Fuel Pump | Sierra 18-7288-1 Carter style mechanical fuel pump for Mercruiser GM big block marine engines. Fits Mercruiser GM V8 7.4L 454 cu. in. engines Replaces Carter pump with flange ID 60601 Includes mounting gasket Replaces Mercury 862048A1, 812454A3, 812454A1, 97399A2, 97399 Replaces Mallory 9-35426 Replaces Sierra 18-7288