John Deere M17520 External Oil Rubber Seal is a John Deere equipment manufacturer (OEM) part designed for reliability and precision. This seal features a single lip design with an 11.18 mm (7/16 in) width, fitting a 25.40 mm (1.0 in) shaft diameter and a 42.16 mm (1.66 in) seal outer diameter. for maintaining optimal performance and preventing oil leaks, it ensures your equipment runs smoothly. If you need assistance finding the right John Deere part or accessory, John Deere specialists are available Monday through Friday, 8:00 AM to 5:00 PM (EST), at 800-345-2396 or via email. Hartville Hardware strives to provide accurate part recommendations, but compatibility can change without notice, so contacting customer support is advised if you are unsure about the part you need. Model Number: M17520