2 X Carburetor diaphragms, springs and gaskets suits Briggs and Stratton 3.5 & 4 hp motors.
OEM # diaphragm 391681 , 299636 ,391643 .
OEM # gasket 270571.
This diaphragm fits early model vertical shaft engines with twin pick up pipes .
Fits: Models 92900 to 92999, 94900 to 94999, 110900 to 110999, 111900 to 111999 and 113900 to 114999
Also listed in my store is an extra value twin pack