Fits Volvo Penta Gas Sterndrives 1999 to 2005 and other models. 3.0 , 4.3 , 5.0 , 5.7 , 7.4 , 8.1
Width 1-1/4" (31.5mm) . Diameter 2-1/4" (57mm) . 5/8 shaft 12 spline : The black rubber disc (spline plug) is not used in all applications and may not be needed.
Impeller kit used on Volvo Penta Sterndrives from 1999 to 2005 with the pump mounted on the crankshaft harmonic balancer. Also fits many other applications.