Alternator Voltage Regulator 12V Honda Civic 4 Pin IDCPU CPU IG L 63.5mm Active Lamp OE 31150 PM4 003 REG6052
Alternator Voltage Regulator 12V Honda Civic 4 Pin IDCPU CPU IG L 63.5mm Active Lamp OE 31150 PM4 003 REG6052
Vehicle Compatibility
Alternator voltage regulator for Honda Civic alternator applications where the alternator uses a matching 4 pin connector and plug type IDCPU-CPU-IG-L, and the same mounting specification. Designed around a 63.5mm mounting point diameter and specified with active lamp function and 2.5 sec LRC behaviour, with 14.4V charging control. Confirm by alternator label, plug style and Honda OE reference before ordering.
- Honda: Civic (applications matching OE 31150-PM4-003 and related references)
Specifications
- Reference: REG6052
- Part Type: Alternator Voltage Regulator
- System Voltage: 12V
- Operating Voltage: 14V
- Charging Voltage: 14.4V
- Connector / Pins: 4 Pin
- Plug Type: IDCPU-CPU-IG-L
- Specification: 2.5 Sec. LRC; Active Lamp
- Mounting Points Diameter: 63.5mm
OE Numbers
- Honda: 31150-PM4-003
- Honda: 31150PM4003
- Honda: 31150PT2003
- Honda: 31150P08013
Features
- 4 pin IDCPU-CPU-IG-L regulator specification for matched Honda Civic alternator configurations
- 63.5mm mounting specification to match compatible regulator housings and fastener spacing
- 2.5 second LRC behaviour with active lamp function for correct warning lamp and charge control response
- 14.4V charging control for stable battery charging performance on 12V systems
- Best practice is to confirm Honda OE 31150-PM4-003 before installation to avoid incorrect fitment
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 mounting points
- 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 voltage regulator replacement
- Confirm the connector is 4 pin and the plug type matches IDCPU-CPU-IG-L before fitting
- Confirm the mounting point diameter is 63.5mm if you are matching by housing dimensions
- Inspect brushes, slip rings and internal connections while the alternator is open and replace worn parts as required
- After installation, verify charging voltage under load and confirm warning lamp behaviour is correct
- If you are unsure about alternator repairs, have the unit fitted and tested by a qualified auto electrician
Original: $26.42
-70%$26.42
$7.93


Description
Vehicle Compatibility
Alternator voltage regulator for Honda Civic alternator applications where the alternator uses a matching 4 pin connector and plug type IDCPU-CPU-IG-L, and the same mounting specification. Designed around a 63.5mm mounting point diameter and specified with active lamp function and 2.5 sec LRC behaviour, with 14.4V charging control. Confirm by alternator label, plug style and Honda OE reference before ordering.
- Honda: Civic (applications matching OE 31150-PM4-003 and related references)
Specifications
- Reference: REG6052
- Part Type: Alternator Voltage Regulator
- System Voltage: 12V
- Operating Voltage: 14V
- Charging Voltage: 14.4V
- Connector / Pins: 4 Pin
- Plug Type: IDCPU-CPU-IG-L
- Specification: 2.5 Sec. LRC; Active Lamp
- Mounting Points Diameter: 63.5mm
OE Numbers
- Honda: 31150-PM4-003
- Honda: 31150PM4003
- Honda: 31150PT2003
- Honda: 31150P08013
Features
- 4 pin IDCPU-CPU-IG-L regulator specification for matched Honda Civic alternator configurations
- 63.5mm mounting specification to match compatible regulator housings and fastener spacing
- 2.5 second LRC behaviour with active lamp function for correct warning lamp and charge control response
- 14.4V charging control for stable battery charging performance on 12V systems
- Best practice is to confirm Honda OE 31150-PM4-003 before installation to avoid incorrect fitment
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 mounting points
- 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 voltage regulator replacement
- Confirm the connector is 4 pin and the plug type matches IDCPU-CPU-IG-L before fitting
- Confirm the mounting point diameter is 63.5mm if you are matching by housing dimensions
- Inspect brushes, slip rings and internal connections while the alternator is open and replace worn parts as required
- After installation, verify charging voltage under load and confirm warning lamp behaviour is correct
- If you are unsure about alternator repairs, have the unit fitted and tested by a qualified auto electrician












