Rear Idler 420-9803 fits Caterpillar Skid Steer 239D 239D3 249DCompatible with Caterpillar Skid Steer Loader(s) 259B3, 259D, 259D3, 279C, 279C-2, 279C2, 279D, 279D3, 289C, 289C-2, 289C2, 289D, 289D3, 299C, 299D, 299D3Replaces Caterpillar OEM Number(s)...