The Tecumseh 37966 Starter Cup is a genuine OEM component designed for use in a variety of Tecumseh small engines. This essential part facilitates the proper engagement of the recoil starter mechanism, allowing for efficient engine starting. Crafted to original specifications, it ensures durability and a precise fit, maintaining the integrity of your engine's starting system. Replace worn or damaged starter cups with this authentic Tecumseh part to restore reliable engine operation.