05/07/2026 by 0C1535ASRV Generack carburetor portable gas-powered generators/manual choke -Q3 If you are looking to replace your existing carburetor, the 0C1535ASRV directly replaces or interchanges with the following Generac/Nikki part numbers with a manual choke. Generac 3500XL, 4000XL, and 4000EXL portable generators.