Description
Vehicle Compatibility
Complete alternator regulator and rectifier pack for Hitachi alternator applications on select Isuzu vehicles. Listed for Isuzu KB250 diesel, Isuzu KB300 diesel, and Isuzu KB300-LX where the alternator uses a matching 2 pin S L connection (plug type IDL Sense) and the same charging characteristics. Confirm by alternator label and plug style before ordering.
- Isuzu: KB250 Diesel; KB300 Diesel; KB300-LX
Specifications
- Reference: REG3098
- Part Type: Alternator Regulator And Rectifier Complete Pack
- Manufacturer: Hitachi
- System Voltage: 12V
- Regulated Voltage (Set Point): 14.4V (VS=14.4V)
- Charging Voltage: 14.5V
- Operating Voltage: 14V
- Circuit: A Circuit
- Type: IR/IF (Internal Regulator / Internal Fan)
- Connector / Pins: 2 Pin (S L)
- Plug Type: IDL Sense (L Sense)
- Current Strength From: 35A
- Diode Type: Avalanche Diode
Features
- Combined regulator and rectifier pack to support alternator overhaul on compatible Hitachi Isuzu alternators
- 35A avalanche diode design with rectification and regulation in a matched complete assembly
- 2 pin S L connection with IDL Sense plug type for correct interface matching
- A circuit control strategy with IR/IF internal regulator internal fan configuration for specified alternator designs
- Helps restore charging performance where regulator or rectifier components have failed
Why Buy From Us
- Local South African stock with nationwide courier delivery
- 12-month warranty subject to correct application and installation
- Fitment support using alternator labels and clear photos of the existing plug and assembly
- Trusted by workshops and fleet operators for dependable charging system components
Trusted by thousands of South African drivers for quality and durability.
Installation & Maintenance Tips
- Disconnect the battery before alternator removal or regulator rectifier pack replacement
- Confirm the alternator is Hitachi and the plug is 2 pin S L with IDL Sense before fitting
- Inspect brushes, slip rings and stator condition while the alternator is open and replace worn parts as required
- Ensure all charging circuit connections are clean and tight to prevent voltage drop and repeat failures
- After reassembly, verify charging voltage under load and check for abnormal AC ripple
- If you are unsure about alternator repairs, have the unit fitted and tested by a qualified auto electrician