Upgrade your Toro lawn mower with the high-quality 133-9900 Carburetor, designed to replace the Toro 133-9900, 136-7907, 127-9145, 121-4181, and 121-0373 carburetor part numbers. This precision-fit carburetor is compatible with Toro 20372, 20373, 20374, 20381, 20383, 20384 4-Cycle TXP 159cc 22in Recycler and Super Recycler walk-behind mowers. Engineered to meet or exceed OEM standards, our carburetor ensures optimal fuel efficiency and smooth engine operation, providing reliable performance and easy installation. The durable construction, made from high-quality materials, ensures that this carburetor can withstand the rigors of regular use, delivering long-lasting performance. Trust in the quality and reliability of our 133-9900 Carburetor to keep your Toro lawn mower running at its best. Upgrade today and experience the difference in performance and durability.