Briggs & Stratton 796577 Fuel Tank Cap Replaces 793606/699985 Briggs &amp; Stratton 796577 Genuine Briggs &amp; Stratton Fuel Tank Cap Fuel Tank Cap, Professional Series, 8.50-8.75 Gross Torque; 090000, 100000 Briggs &amp; Stratton Series Engines Replaces Old Briggs # 793606, 699985