John Deere R42662 Nut is a John Deere equipment manufacturer (OEM) part, designed as a substitute for R27888. This high-quality nut ensures reliable performance and compatibility with your John Deere equipment. If you need assistance finding the right John Deere part or accessory, John Deere specialists are available Monday through Friday, from 8:00 AM to 5:00 PM (EST) at 800-345-2396, or you can reach out via email for support. Hartville Hardware strives to provide accurate part recommendations sourced from systems, though compatibility can change without notice, so contacting customer support is advised if you are uncertain about the part you need. Model Number: R42662