Fuel Sending Unit fits John Deere Tractor | Replaces RE221707 Fits: 4050 SN: 5511 & up, 4055, 4250, 4255, 4440, 4450, 4455, 4555, 4560, 4630, 4650, 4755, 4760, 4850, 4955, 4960. Continue reading →