The Rear Discharge Cover for the Kobalt 40V Lawn Mower, model KPM 1040B-03, is a genuine Kobalt part with the part number 4917.1-051-10A. This cover is designed specifically for the Kobalt brand and is compatible with the 40V battery-powered lawnmower. Made in China, this high-quality part ensures a proper fit and functionality for your Kobalt lawn mower. With a free shipping offer, this rear discharge cover is a convenient and essential accessory for maintaining your lawn mower's performance.