KINGSTEEL 2‑Pin Alternator for Isuzu 4HF1 / 4HG1 Engines (LR250-509)
Restore reliable charging performance on your Isuzu-powered workhorse with this OE-style KINGSTEEL alternator. Purpose-built for the 4HF1 and 4HG1 diesel platforms, it features the correct 2‑pin regulator connection for a straightforward, plug-in replacement.
Key Features
- Engine-specific fitment for Isuzu 4HF1 / 4HG1 applications
- Correct 2‑pin regulator plug for easy, plug-and-play installation
- Consistent output to support lighting, HVAC, and auxiliary equipment
- Durable construction with premium windings, robust rectifier, and heavy-duty bearings
- 100% new unit (not remanufactured) — no core charge
Part Details
- Part Number: LR250-509
- Type: Alternator
- Connector: 2‑pin regulator
- Brand: KINGSTEEL
Compatibility
Designed for vehicles equipped with Isuzu 4HF1 / 4HG1 diesel engines. To ensure proper fit, please confirm the following against your original alternator:
- Connector style: 2‑pin regulator
- Mounting points and clocking orientation
- Pulley style and belt alignment
- System voltage and amperage requirements
What's in the Box
- 1 × KINGSTEEL alternator assembly
Installation Tips
- Disconnect the battery before starting
- Inspect and replace the drive belt if worn
- Verify charging voltage after installation
