OTTO Excavator Spare Parts Nkr77 4Jh1 Throttle Cushion 8970358830 897035-8830 8-97035883-0 For Isuzu This is OTTO excavator spare part: Nkr77 4Jh1 Throttle Cushion for Isuzu. Part numbers: 8970358830, 897035-8830, 8-97035883-0. Engineered to absorb shocks during throttle operation, minimize vibration, and enhance throttle responsiveness. A reliable replacement to ensure smooth acceleration and precise control in Isuzu-powered excavators, suitable for maintenance and repair tasks.