ăNotingăThis pump looks similar with F5B-9 but uses a smaller impeller with 1 1/4 inch depth (09-1027B).
ăFitmentăThis Pump fits GM engine blocks with crank-driven cooling on Volvo Penta/OMC V8 Engines and many other brands like Johnson, Sherwood, Jabsco, Indmar, Marine Power, etc