Raw Water Pump Crank Driven | Volvo 21212799 Volvo Raw Water Pump Crank Driven | 21212799 OEM crankshaft mounted sea water pump with serpentine pulley fits various Volvo Penta GM 4.3L, 5.0L, & 5.7L marine engines. Volvo Penta sea water pump Crankshaft driven pump 1 1/4 in. inlet port 1 in. outlet port Bronze housing pump with serpentine pulley 6 1/2 in. diameter pulley with 4 1/2 in. male pilot Includes bushing for anti-rotation rod For many Volvo Penta GM 4.3L, 5.0L, and 5.7L engines Replacement impeller P/N 21212794 Replaces Volvo 3852519 Original Volvo Penta