Rotary 7803 Base Gasket 4hp Horizontal For Kohler by Rotary $6.15 Sold out 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Sold out PRODUCT INFORMATION Type Gasket PRODUCT DESCRIPTION DESCRIPTION Fits Kohler Model K-91 4 HP Horizontal Engines. REPLACES OEM KOHLER 220157S