Maximize your excavator’s engine performance with the OTTO 8-98346317-0 Fuel Injection Pump, a premium aftermarket replacement engineered for durability and precise OEM fitment. This high-quality fuel pump delivers consistent, accurate fuel delivery to your Isuzu 4HK1 diesel engine, offering a cost-effective alternative to genuine OEM parts.

Maximize your excavator’s engine performance with the OTTO 4HK1 Engine ECU Controller, a premium aftermarket replacement crafted for stable operation and precise OEM-grade fitment. This high-performance engine computer board restores reliable electronic control to your heavy equipment, delivering a cost-effective alternative to genuine OEM control modules.

The OTTO 4HK1 is a professional complete diesel engine assembly designed as a direct replacement for the Hitachi ZX270LC-3 excavator. It includes all key internal components and comes pre-assembled, restoring your machine’s original power, responsiveness, and efficiency while minimizing downtime during engine overhaul.

The OTTO Long Cylinder Head is a professional engine cylinder head component designed exclusively for 4HK1 engines in excavators. It provides a secure foundation for valves, valve seats, and other top-end engine parts, ensuring airtight sealing, smooth valve operation, and consistent engine power output—essential for restoring engine functionality and minimizing downtime in harsh heavy-duty working environments.

Maximize your excavator diesel engine’s fuel efficiency with the OTTO 4HK1 Fuel Injection Pump (High Pressure Pump), a premium aftermarket replacement designed for durability and precise fitment. This high-quality fuel pump restores reliable high-pressure fuel supply to your heavy machinery, offering a cost-effective alternative to OEM parts.

This OTTO electrical fuel pump, designed for Komatsu 4HK1 engines in ZX200, PC200, PC210, and PC220 excavators, ensures reliable fuel delivery and stable pressure for optimal engine starting, performance, and fuel efficiency.

This OTTO water temperature sensor (part number 8-97125601-1) is designed for Isuzu 6HK1 engines used in Hitachi excavator models EX120-5, EX200-5, EX300-5, and EX400. It accurately monitors coolant temperature for optimal engine performance and overheating protection.

This genuine OEM piston ring set is designed for direct replacement in Komatsu ZX200-3, ZX330-3, PC200, and PC330 excavator engines equipped with 4HK1 or 6HK1 engines.

This genuine OEM starter relay is designed for direct replacement in Komatsu excavators with 4HK1 or 6SD1T engines, including ZX240-3, ZX450, ZX330, PC240, and PC450 models.

This used for EXCAVATOR,Original new and china could offer and With 3-12 months warranty

This is a genuine OEM cylinder liner set designed for Isuzu 4HK1 and 6HK1 engines. It is a direct replacement part for ZX200-3, ZX330-3, PC200, and PC330 excavator models.

This overhaul rebuild set, featuring parts 8-98152901-1, 8-97372077-1, and 8-97616358-0, is specifically designed for the OTTO 6HK1 diesel engine commonly found in excavators and other construction machinery.