Description
Vehicle Compatibility
Alternator voltage regulator referenced for Magneti Marelli alternator applications where the original regulator matches a 2 post pin layout with a foot on the right-hand side and the same charging characteristics. Referenced for Land Rover applications and also noted for John Deere applications where a matching Magneti Marelli type regulator is fitted. Confirm fitment by comparing the regulator layout and mounting foot position before ordering.
- Land Rover: Applications using a matching Magneti Marelli 2 post regulator
- John Deere: Applications using a matching Magneti Marelli 2 post regulator
Specifications
- Reference: REG9004
- Part Type: Alternator Voltage Regulator
- Manufacturer: Magneti Marelli Type
- System Voltage: 12V
- Operating Voltage: 14V
- Regulated Voltage (Set Point): 14.2V
- Charging Voltage: 14.7V
- Connector / Pins: 2 Post Pins
- Mounting Detail: Foot On Right-Hand Side
- Lamp Function: Active Lamp
Features
- Magneti Marelli type 2 post regulator layout with right-hand mounting foot for matching alternator designs
- Supports stable battery charging by regulating alternator field current on compatible 12V systems
- 14.2V set point with 14.7V charging characteristic for specified applications
- Active lamp function for supported charging warning circuits
- Suitable for alternator overhaul work where the original regulator matches the same footprint and connections
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 regulator layout
- Trusted by workshops and fleet operators for reliable 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 replacement
- Confirm the regulator has 2 post pins and the mounting foot is on the right-hand side before fitting
- Inspect brushes and slip rings while the alternator is open and replace worn components where required
- Ensure battery terminals and earth connections are clean and tight to prevent voltage drop
- After installation, verify charging voltage under load and confirm warning lamp behaviour
- If you are unsure about alternator repairs, have the regulator fitted and tested by a qualified auto electrician