Radiator Hose For John Deere Tractor 4520 6622 Others-R43581 R53407 100% new radiator hose meets OEM quality for tractors and farm equipment 1-year warranty covers you throughout planting and harvesting seasons Factory direct pricing delivers an honest value for hard-earned money Replaces OEM Numbers: John Deere: R43581, R53407 Specs: Description : Lower radiator hose, Type : Lower, Inside Diameter : 2", Secondary Inside Diameter : 2 1/2"