The John Deere Z55545 is a genuine OEM rectangular push-on nut, precisely engineered for reliable and secure fastening across a broad range of John Deere agricultural, utility, and turf equipment. This durable fastener features a 0.226 inch (5.74 mm) hole diameter, ensuring a tight, vibration-resistant fit for corresponding studs or shafts. With dimensions of 20 mm length, 15 mm width, and 10 mm height, it is an essential component for maintaining structural integrity in various assemblies.