This ia a torsion damper arm off of a John Deere 425 garden tractor rear end. This part will also fit 445 and 455 tractors. The Part number for this part is AM878607. The arm is in good used condition. The pin that the damper arm attaches to shows a little bit of wear. Disregard the part number in the picture it is the wrong one. The correct one is the one in this description. (26B)