Rotary Diaphragm, B&S 3,5-4hp, Horizontal

common diaphragm design on older B&S lawnmower engines that
have two fuel lines running from the carburetor to the tank.

Fits:
Briggs & Stratton engines.

Replaces original numbers:
Briggs & Stratton 391681
Briggs & Stratton 299636
Briggs & Stratton 391643
76-008
49-006

Made in USA

ROTARY is an American company that manufactures over 11 million lawnmowers
blades per year for the world's leading cutter manufacturers. Continuous product development guarantees the best cutting properties for your machine.