OTTO Excavator Spare Parts Nkr77 4Jh1 Throttle 8973173840 897317-3840 8-97317384-0 For Isuzu OTTO Excavator Throttle Assembly (P/N: Nkr77 4Jh1, 8973173840/897317-3840/8-97317384-0). Designed for Isuzu excavators, ensuring precise throttle control and optimal engine performance. OEM-quality replacement with durable construction for long-lasting reliability. Exact fit guarantee.