Muffler For John Deere Tractor 1020 1520 1530 Others-Dr-14 At21689 At64102 100% new muffler 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: AT21689, AT64102, DR-14 Specs: Description : Muffler, Inlet Diameter : 2 1/2", Outlet Diameter : 2", Length : 30", Position : Vertical, Body Style : Oval, Material : Aluminum, Clamp : Not Included, Notes : Inlet I.D. Flared, Inlet Length 3-1/2", Outlet Length 7-3/4", Shell Length 19-1/2".