00429000 Gravely Oil Drain Valve – 1/2" (OEM Replacement)00429000 Oil Drain Valve 1 2" (OEM Replacement) The 00429000 1 2" Oil Drain Valve is a direct fit replacement part designed for Ariens and Gravely lawn mowers and outdoor power equipment. This valve allows for clean, controlled engine oil draining, making routine maintenance faster and less messy. Designed for durability and ease of use, the 1 2" oil drain helps prevent oil spills and simplifies oil changes, especially in tight or hard to reach engine