suitable for e.g.
7-18 hp horizontal axis machines (very old).
Engine models; 170400, 171400, 190400, 194400, 195400, 220400, 221400, 222400, 233400, 243400, 252400, 253400, 254400, 290400, 294400, 3020, 30240, 302340
Outer diameter 105mm, inner diameter 51mm, height 94mm.
OEM Briggs & Stratton 393957S, 393957, 390930