Johnson Pump, Engine Cooling, F5b-9 crankshaft mounted pump.
Specifications:
Pump Body: Bronze
Ports: 1-1/4" Hose
Cam: Full
Impeller: Neoprene
Shaft Seal: Lip Type
Drive: Crankshaft Pulley Mounted

Applications:
Chevy Small Block
Volvo 841640
Volvo 841860
Volvo 856952
Volvo 857451
Other Applications:
Alaska Diesel M4219, L4219 10-24228-1
Alaska Diesel M4239, L4239 10-24228-1
Alaska Diesel M4276, L4276 10-24228-1
Alaska Diesel M439, L439 10-24228-1
Alaska Diesel M445, L445 10-24228-1
Alaska Diesel M6414, L6414 10-24228-1
Alaska Diesel M668, L668 10-24228-1
CT Marine FD 80 10-24228-1
Flagship 350 10-24228-1
Indmar 200 10-24228-1
Marine Exhaust 4 cyl 10-24228-1
Panther Marine 350 10-24228-1
Tingbrand 200 TMB 10-24228-1
Tingbrand 225 TMB 10-24228-1
Tingbrand 270 TMB 10-24228-1
Tingbrand 310 TMB 10-24228-1
York Power 4 cyl 10-24228-1