If your Hitachi ZX120 or ZAX120 excavator equipped with an Isuzu 4BG1TC engine needs a full restoration, this premium Overhaul Rebuild Kit provides everything required to bring your engine back to peak performance. Designed to meet or exceed OEM standards, this rebuild kit ensures improved efficiency, reduced downtime, and long-lasting engine reliability.

Crafted from high-strength, quality-tested materials, each component in this kit is optimized for durability and precise engine fitment. Whether you’re performing planned maintenance or a complete overhaul after engine wear, this rebuild kit guarantees consistent performance under tough working conditions.

Perfect for contractors, heavy equipment repair shops, and fleet owners looking for cost-effective, long-term engine rebuilding solutions.

✅ Key Features

• Complete overhaul rebuild kit for Isuzu 4BG1TC engines

• Fully compatible with Hitachi ZX120 and ZAX120 excavator models

• Manufactured to OEM specifications for accurate fitment

• High-grade materials for maximum strength and durability

• Enhances engine power, fuel efficiency, and reliability

• Ideal for full engine restoration or preventative maintenance

✅ What’s Included (Typical Kit Contents)

(Exact items may vary depending on supplier or customization)

• Pistons & Piston Rings

• Cylinder Liners

• Main Bearings

• Connecting Rod Bearings

• Thrust Washers

• Full Gasket Set

• Pin Bushings

• Valve Seals

• Additional internal engine components as required

Overhaul Rebuild Kit for Isuzu 4BG1TC Engine Hitachi ZX120 ZAX120 Excavator

Engine Model: ISUZU 4BG1 Engine

Machine Model: HITACHI

Application: ZX120,ZAX120