Replace the carburetor of your Bolens 21" 140cc Lawn Mower with this high-quality replacement carburetor. Designed to fit perfectly and replace the original carburetor for models 11A-B0BL765 and 11A-020W765, this carburetor ensures optimal performance and reliable operation. With its wide compatibility, this carburetor can also replace part numbers 799583, 593261, 595656, 591979, 591160, 590556, and 799579. It is compatible with 500 Series engines for 21" MTD Murray M20300, 500E, and 140cc Engine BS 300E, 450E, 08P502, 8P502 Vertical Engine, and more. Installing this replacement carburetor will enhance your engine's performance by optimizing the fuel-air mixture, resulting in smoother and more efficient operation of your lawn mower. It is made from premium materials, ensuring durability and long-lasting performance. The carburetor comes with an air filter and cover for added convenience. The easy installation process allows you to replace the old carburetor quickly and get your lawn mower up and running in no time. Choose this replacement carburetor for Bolens 21" 140cc Lawn Mower to ensure reliable performance and a smooth lawn mowing experience. Upgrade your lawn mower today and enjoy the benefits of a properly functioning engine.