Alternator Voltage Regulator 24V Lucas AS123 With Brush EQ 84959 Inactive Lamp 28.3V REG4011
Alternator Voltage Regulator 24V Lucas AS123 With Brush EQ 84959 Inactive Lamp 28.3V REG4011
Vehicle Compatibility
- Lucas AS123 alternator applications (as supplied)
Confirm by alternator label and plug style before ordering.
Specifications
- Voltage: 24 V
- Operating Voltage: 28 V
- Charging Voltage: 28.3 V
- Specification: Inactive Lamp
- Application / Type: Lucas AS123 internal regulator
- With Brush: Equivalent to 84959
Cross References
- Mobiletron: VR-LC111B
Features
- 24V alternator voltage regulator for Lucas AS123 applications
- Supplied as regulator with brush equivalent 84959
- Inactive lamp specification
- Regulated charging at 28.3 V for 24V systems
- Suitable for alternator repair and reconditioning where AS123 alternator identification matches
Why Buy From Us
- Workshop-friendly support for alternator identification and matching
- Fast nationwide courier delivery across South Africa
- Quality-checked automotive electrical components
Trusted by thousands of South African drivers for quality and durability.
Installation & Maintenance Tips
- Confirm by alternator label and plug style before ordering.
- Isolate both batteries on 24V systems before alternator removal.
- Confirm regulator mounting and brush arrangement match the alternator before installation.
- Inspect slip rings for wear and clean contact surfaces during rebuild.
- After installation, verify charging voltage under load is stable around the specified output.
Original: $14.94
-70%$14.94
$4.48


Description
Vehicle Compatibility
- Lucas AS123 alternator applications (as supplied)
Confirm by alternator label and plug style before ordering.
Specifications
- Voltage: 24 V
- Operating Voltage: 28 V
- Charging Voltage: 28.3 V
- Specification: Inactive Lamp
- Application / Type: Lucas AS123 internal regulator
- With Brush: Equivalent to 84959
Cross References
- Mobiletron: VR-LC111B
Features
- 24V alternator voltage regulator for Lucas AS123 applications
- Supplied as regulator with brush equivalent 84959
- Inactive lamp specification
- Regulated charging at 28.3 V for 24V systems
- Suitable for alternator repair and reconditioning where AS123 alternator identification matches
Why Buy From Us
- Workshop-friendly support for alternator identification and matching
- Fast nationwide courier delivery across South Africa
- Quality-checked automotive electrical components
Trusted by thousands of South African drivers for quality and durability.
Installation & Maintenance Tips
- Confirm by alternator label and plug style before ordering.
- Isolate both batteries on 24V systems before alternator removal.
- Confirm regulator mounting and brush arrangement match the alternator before installation.
- Inspect slip rings for wear and clean contact surfaces during rebuild.
- After installation, verify charging voltage under load is stable around the specified output.












