Top Quality CNC-Machined KIPA Carburetor 693480, Including the Carbon Dirt Jet Cleaner Tool Kit for future maintence use.,Fitment: Carburetor Replace for Craftsman LT 1000 MFG MTD Yard Machines Mower Tractors with 17, 18.5, 19.5, 20, 21, HP, V-Twin IC gold engines. Please do Match Carb structure and the OEM Code before purchasing.,MPN: Carburetor Replace for Old Briggs # 499306, 495181, 495026, 491429, 393297, 399623, 392806, 393286, 393293, 461707,MPN: Carburetor replaces For Briggs # 394338, 394503, 394352, 394505, 396634, 397245, 398107, 399229, 491535, 491427,This carb is a direct replacement for the OEM. Easy to install, the manual is not inlcuded, However, You may search some manual on tube. The only thing they need to change is one of the 2 gaskets that is included needs to be the one between carb and air filter housing. Premium the fuel, and it instantly fires up, Your Powerful tractors deserve A Perfect Carburetor