1UQ Carburetor Carb For Smarter Tools GP9500EB GP9750EB STGP9500EB STGP9750EB 15HP Generator Brand New High Quality Replacement Carburetor With 3 Gaskets Fit for Smarter Tools Branded Gasoline Generator Powered by a 420CC 15HP Engine ST420F Model Number GP9500EB, ST-GP9500EB, GP9750EB & ST-GP9750EB