The Honda AL3121230 is a genuine OEM oil seal, precisely engineered with dimensions of 20mm inner diameter, 35mm outer diameter, and 8mm thickness. This critical sealing component is designed to prevent oil leaks and maintain optimal engine performance in a wide range of Honda GX and GXV series small engines, commonly found in agricultural, construction, and industrial equipment such as generators, tillers, pumps, and pressure washers. Ensuring a tight seal, it contributes to the longevity and reliability of your Honda engine.