Alternator Voltage Regulator Mercedes-Benz Bosch 2 Pin BSS 3 IDCPU CPU 14.3V OE 0031543706 REG1074
Alternator Voltage Regulator Mercedes-Benz Bosch 2 Pin BSS 3 IDCPU CPU 14.3V OE 0031543706 REG1074
Vehicle Compatibility & OE Cross Reference
Alternator voltage regulator for Mercedes-Benz applications using a Bosch alternator where the original regulator uses BSS (COM) communication control (BSS 3) and matches a 2 pin connection with IDCPU CPU plug type. Listed as a Bosch 2 pin regulator for NCB1, NCB2 and E10 Mercedes-Benz alternator applications. Confirm by alternator label, regulator plug style and OE cross reference before ordering.
OE Numbers And Cross References
- Mercedes-Benz: 0031543406; 0031543706; 0031545806
- Bosch: F00M145272; F00M145293
- Related Article Numbers: ALT1194; ALT1194A
Specifications
- Reference: REG1074
- Part Type: Alternator Voltage Regulator
- Manufacturer: Bosch
- System Voltage: 12V
- Charging Voltage: 14.3V
- Operating Voltage: 14V
- Voltage Range: From 10.7V To 16.0V
- Circuit: A Circuit
- Type: IR/IF (Internal Regulator / Internal Fan)
- Connector / Pins: 2 Pin
- Plug Type: IDCPU CPU
- Specification: BSS (COM) BSS 3
- Article Numbers: ALT1194; ALT1194A
- OE References: 0031543406; 0031543706; 0031545806; F00M145272; F00M145293
Features
- Designed for Bosch alternators using BSS (COM) communication control (BSS 3) on supported Mercedes-Benz systems
- 2 pin connection with IDCPU CPU plug type to match the specified regulator interface
- A circuit regulator logic with IR/IF internal regulator internal fan configuration for matching alternator designs
- Charging behaviour aligned to the listed specification, including 14.3V charging and 10.7V to 16.0V operating range
- OE and Bosch cross references included to support accurate matching before 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, regulator markings and clear plug photos
- 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 alternator is Bosch and the regulator uses BSS (COM) BSS 3 control with a 2 pin IDCPU CPU plug
- Cross check at least one OE or Bosch reference number before fitting, such as 0031543706 or F00M145272
- Inspect brushes and slip rings while the alternator is open and replace worn components where required
- After installation, verify charging voltage under load to confirm stable regulation
- If you are unsure about alternator repairs, have the regulator fitted and tested by a qualified auto electrician
Original: $50.47
-70%$50.47
$15.14Product Information
Product Information
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Description
Vehicle Compatibility & OE Cross Reference
Alternator voltage regulator for Mercedes-Benz applications using a Bosch alternator where the original regulator uses BSS (COM) communication control (BSS 3) and matches a 2 pin connection with IDCPU CPU plug type. Listed as a Bosch 2 pin regulator for NCB1, NCB2 and E10 Mercedes-Benz alternator applications. Confirm by alternator label, regulator plug style and OE cross reference before ordering.
OE Numbers And Cross References
- Mercedes-Benz: 0031543406; 0031543706; 0031545806
- Bosch: F00M145272; F00M145293
- Related Article Numbers: ALT1194; ALT1194A
Specifications
- Reference: REG1074
- Part Type: Alternator Voltage Regulator
- Manufacturer: Bosch
- System Voltage: 12V
- Charging Voltage: 14.3V
- Operating Voltage: 14V
- Voltage Range: From 10.7V To 16.0V
- Circuit: A Circuit
- Type: IR/IF (Internal Regulator / Internal Fan)
- Connector / Pins: 2 Pin
- Plug Type: IDCPU CPU
- Specification: BSS (COM) BSS 3
- Article Numbers: ALT1194; ALT1194A
- OE References: 0031543406; 0031543706; 0031545806; F00M145272; F00M145293
Features
- Designed for Bosch alternators using BSS (COM) communication control (BSS 3) on supported Mercedes-Benz systems
- 2 pin connection with IDCPU CPU plug type to match the specified regulator interface
- A circuit regulator logic with IR/IF internal regulator internal fan configuration for matching alternator designs
- Charging behaviour aligned to the listed specification, including 14.3V charging and 10.7V to 16.0V operating range
- OE and Bosch cross references included to support accurate matching before 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, regulator markings and clear plug photos
- 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 alternator is Bosch and the regulator uses BSS (COM) BSS 3 control with a 2 pin IDCPU CPU plug
- Cross check at least one OE or Bosch reference number before fitting, such as 0031543706 or F00M145272
- Inspect brushes and slip rings while the alternator is open and replace worn components where required
- After installation, verify charging voltage under load to confirm stable regulation
- If you are unsure about alternator repairs, have the regulator fitted and tested by a qualified auto electrician
