John Deere Original Equipment Dust Bowl R28794. 
Fits the following John Deere models: 1010, 1020, 1120, 1641F, 1641, 180, 202, 2010, 2020, 2150, 2255, 219, 2510, 2520, 2840, 290D, 292, 300D, 310D, 315D, 3010(-049,999), 3020, 303, 310C, 315C, 315CH, 329, 3300, 344E, 350, 350B, 350C, 355D, 350D, 4000(201,000-), 4020(201,000-), 410B, 410C, 510C, 610C, 510D, 410D, 4400, 444C, 444CH, 444D, 450B, 450, JD450B, 450C, 450E, 450G, 555G, 650G, 455G, 550G, 555G, 455E, 490, 493D, 493, 490D, 510B, 820, 920, 500, 500B, 500A, 600. This is a OEM John Deere part. Thanks for looking!