Muffler Silencer 4155623 4687593 TH100872 For John Deere 490 495D 595 Excavator. OTHER PARTS AVAILABLE (NEED TO BE PAID EXTRA): U BOLT , PIPE EXHAUST , CLAMP. MOTTROL USA EXCAVATOR PARTS DEPOT. YOUR BEST SOURCE FOR OEM QUALITY EXCAVATOR PARTS. For the parts described with both part number and application machine model or engine model, please make sure to order according to the part number, the application machine model or engine model is just for reference.