Keep your Isuzu truck running reliably with this high-output 24V 50A alternator, specially designed for the Isuzu 4HG1 diesel engine. Built to OEM specifications, this alternator delivers consistent charging power to support all engine electronics, battery charging, and vehicle accessories.
Ideal for NPR, NKR, and NHR trucks, it ensures dependable performance even in heavy-duty commercial use. With durable internal components and excellent heat resistance, it provides long service life and stable voltage control under high electrical loads.
Whether you’re replacing a failing alternator or upgrading your truck’s charging system, this unit offers superior reliability, durability, and efficiency.
Key Features:
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24V, 50Amp high-output alternator
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Compatible with Isuzu 4HG1 diesel engines
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Fits NPR, NKR & NHR trucks
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Provides consistent and stable electrical charging
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Improves battery life and vehicle performance
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Durable construction for heavy-duty commercial use
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Direct OEM-spec replacement, easy installation
Frequently Asked Questions (FAQ)
1. What engines does this alternator fit?
This alternator is designed for Isuzu 4HG1 diesel engines.
2. Is it compatible with NPR, NKR, and NHR trucks?
Yes, it fits Isuzu NPR, NKR, and NHR commercial vehicles.
3. What is the output of this alternator?
The alternator provides 24 volts and 50 amps output.
4. Is this an OEM-quality part?
Yes, it meets OEM specifications for durability and performance.
5. Does it improve battery charging?
Yes, the 50A output ensures stable and efficient battery charging.
Alternator 24V 50A | Isuzu 4HG1 Engine
OE Replacement: LR250-509B, 897180-3751, YJ2018300A, LR250509B, 8971803751
Fits Following: Isuzu Engines: 4HF1, 4HG1
Details:
Volt: 24
Amp: 50
Pulley: 3V
Year: Provide vin# or serial number for Year Information
