This package includes two brake master cylinders with D127519.Compatible with a range of Case including: Dozer 450C; Backhoe Loaders 480D, 580D, 580SE, 580E, 580G; Landscape Loader 480LL; and additional models such as 455C, 850D, 855D, 480E, 480F, 584D, 584E, 585D, 585E, 586D, 586E, and 580SD.Alternate part numbers include D126695, D120090, D131596, and D127519.