Rotary 3548 O-Ring Seal For B&S by Rotary $5.84 Sold out 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Sold out PRODUCT INFORMATION Type Seal PRODUCT DESCRIPTION DESCRIPTION Seal Intake Tube fits B&S Models: 100900, 130900 series. 4 & 5 HP Vertical Engines. REPLACES OEM B&S 270074, 280393, 691031