Muffler Silencer 4155623 TH100872 4687593 For John Deere Excavator 490 495D 595. Spare Parts for Komatsu. Spare Parts for Caterpillar. Spare Parts for Hitachi. Spare Parts For Bobcat. Spare Parts for JLG. Spare Parts for Genie. Part Numbers:4155623 TH100872 4687593. Specification: Diameter (mm):245 Height (mm):590 Inlet Diameter (mm):66 Outlet Diameter (mm):80 Clamp:65.567.5 Applications: Fits For John Deere Excavator:490, 495D, 595. Note:Please make sure your part number is same with ours, item is aftermarket part.