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Alternator Hitachi 12V 80A | 1-Groove | 2P (L-S) | IR/IF
Isuzu 2.5L & 3.0L Diesel Applications — ALT3038CX
High-Efficiency Charging for Tough Diesel Performance
The ALT3038CX Hitachi Alternator is engineered to deliver dependable, consistent, and high-efficiency power for Isuzu diesel engines. Built for durability and accuracy, it ensures stable electrical output under heavy load, long-distance operation, and demanding commercial use.
With an 80A output and a precision 1-groove pulley, this OEM-grade alternator is optimized for smooth belt engagement, superior cooling, and long service life—making it the perfect replacement for technicians, fleet operators, and performance-focused vehicle owners.
Applications
Designed for direct-fit replacement on:
- Isuzu Go Big
- Isuzu KB250 Diesel
- Isuzu KB300 Diesel
- Isuzu KB300-LX
(Common on commercial transport, pickups, fleet vehicles, and utility applications.)
Confirm fitment using VIN or OEM cross-reference for accuracy.
Key Features & Benefits
✔ Reliable 80A Output
Ideal for diesel-powered vehicles with work-level electrical demands, ensuring stable battery charging and efficient system operation.
✔ 1-Groove Pulley
Engineered for smooth belt tracking and long-term reliability, reducing slippage and noise.
✔ 2-Pin (L-S) Connection
Allows for accurate communication with the vehicle’s ECU and dash charging system indicators.
✔ IR/IF – Internal Regulator & Internal Fan
Built-in voltage regulation ensures correct charging levels, while internal cooling increases heat dissipation and alternator longevity.
✔ Durable Hitachi Build Quality
Precision-engineered components ensure exceptional durability, even under high vibration, heat, and heavy-duty use—ideal for commercial diesel applications.
Technical Specifications
| Specification | Detail |
|---|---|
| Model Number | ALT3038CX |
| Brand | Hitachi |
| Voltage | 12V |
| Maximum Output | 80A |
| Pulley | 1-Groove |
| Connection | 2P (L-S) |
| Regulator / Cooling | IR/IF (Internal Regulator / External Fan) |
| Applications | Engine – 4GH1, 4JA1 |
Why Choose the ALT3038CX Hitachi Alternator?
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OEM-level reliability with long service life
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Ideal for commercial and high-duty diesel usage
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Stable performance in demanding temperature and load conditions
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Easy installation with exact-fit mounting and connectors
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Restores optimal charging efficiency and electrical reliability
Installation Tips
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Always inspect belts & tensioners—replace if worn for best alternator performance
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Very important to consider the hydraulic/brake pipe fitting position
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Ensure all grounds and terminals are clean and secure
Upgrade your Isuzu’s electrical performance with the Hitachi ALT3038CX and enjoy OEM power.
Order now!