Quick view Rotary Corp Fits Gravely 18543 Muffler 1-5/16" Inlet ID, 1-1/4" Outlet ID.1-5/16" Inlet ID, 1-1/4" Outlet ID. Fits GRAVELY 18543 Fits GRAVELY 20259700 OREGON 35-543 PRIME LINE 7-03679 Fits 105-262 SUNBELT B1SB2286 $59.45 $53.69 Add to Cart