The Ventrac 600965 Radiator Screen is an authentic OEM replacement part designed to protect the radiator on various Ventrac 3400 and 4500 series tractors. This essential screen helps prevent debris, such as leaves and grass clippings, from entering and clogging the radiator fins, ensuring optimal cooling system performance and extending the lifespan of the engine. It is a direct fit for models including 3400Y, 3400V, 3400L, 4500Y, 4500P, 4500K, 4500Z, 4500V, 4500L, and 4500A.