The Isuzu 4BD1T turbocharger 89701-14741 / 49189-00511 is engineered to meet the demanding performance requirements of Hitachi EX100-3 and Sumitomo HA45W construction equipment. This turbocharger ensures efficient airflow delivery, optimized combustion, and consistent boost pressure under continuous heavy-duty operation.
Manufactured using high-strength turbine housings, heat-resistant materials, and precision-balanced rotating assemblies, this turbocharger offers smooth operation, reduced vibration, and improved throttle response. It is built to withstand harsh working environments such as excavation, road construction, and material handling.
This 4BD1T turbocharger is a direct-fit replacement for worn or damaged units that cause power loss, excessive exhaust smoke, slow acceleration, or reduced fuel efficiency. Installing this turbo restores factory engine performance while helping protect internal engine components from additional strain.
Designed to OEM specifications, the 89701-14741 turbocharger supports long service life, stable engine output, and reliable fuel efficiency. It is ideal for equipment maintenance, engine rebuilds, or turbo replacement projects where durability and consistent power delivery are essential.
Whether used in daily construction operations or heavy excavation tasks, this turbocharger delivers strong torque, dependable boost pressure, and long-term operational reliability for Isuzu 4BD1T-powered machinery.
Key Features & Benefits
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Brand new OEM-quality turbocharger
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Replacement part numbers 89701-14741 and 49189-00511
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Designed for Isuzu 4BD1T turbo diesel engines
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Compatible with Hitachi EX100-3 and Sumitomo HA45W
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Restores factory boost pressure and engine power
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Improves torque, acceleration, and fuel efficiency
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Precision-balanced turbine and compressor assembly
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High-temperature resistant turbine housing
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Reduces exhaust smoke and turbo lag
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Direct bolt-on installation without modifications
Engine Compatibility
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Isuzu 4BD1T Turbo Diesel Engine
Vehicle / Equipment Applications
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Hitachi EX100-3 Excavator
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Sumitomo HA45W Excavator
OEM / Replacement Part Numbers
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89701-14741
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49189-00511
Frequently Asked Questions
Q: Which engine is this turbocharger designed for?
A: This turbocharger is designed for Isuzu 4BD1T turbo diesel engines.
Q: Which machines use this turbocharger?
A: It is used in Hitachi EX100-3 and Sumitomo HA45W excavators.
Q: Is this turbocharger brand new?
A: Yes, this is a brand new OEM-quality turbocharger.
Q: Is installation a direct fit?
A: Yes, it is a direct replacement with no modification required.
Q: What symptoms indicate a failing turbocharger?
A: Common symptoms include power loss, excessive smoke, oil leakage, and abnormal turbo noise.




