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Alternator Voltage Regulator Bosch Mercedes-Benz CLK55 E430 SL500 2 Pin IDL-CPU 14.5V REG1068

Alternator Voltage Regulator Bosch Mercedes-Benz CLK55 E430 SL500 2 Pin IDL-CPU 14.5V REG1068

Vehicle Compatibility & OE Cross Reference

Alternator voltage regulator for select Mercedes-Benz applications where the original regulator matches a 2 pin connection with IDL-CPU plug type and the same charging characteristics. Listed as a Bosch 2 pin regulator for Mercedes CLK55, E430, and SL500 applications where a matching alternator is fitted. Confirm fitment by matching the regulator plug style and OE cross reference numbers before ordering.

OE Numbers By Brand

  • Mercedes-Benz: A0121540302; 0031542506; 0111542702; 0121541302; 0131548002; 0131548202; 0141540102
  • BMW: 12317523897; 12317531386; 12317550319
  • VAG: 077903803A

Specifications

  • Reference: REG1068
  • Part Type: Alternator Voltage Regulator
  • Manufacturer: Bosch
  • System Voltage: 12V
  • Charging Voltage: 14.5V
  • Operating Voltage: 14V
  • Connector / Pins: 2 Pin
  • Plug Type: IDL-CPU
  • Specification: 2.5 Sec. LRC
  • Active Lamp: Yes
  • Short Circuit Protection: Yes

Features

  • Regulates alternator field current to maintain stable charging output on compatible Bosch alternators
  • 2 pin IDL-CPU plug type to match the specified regulator interface
  • 14.5V charging specification with 2.5 sec LRC characteristic for matching regulator behaviour
  • Active lamp function with short circuit protection for supported charging circuits
  • OE 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 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 regulator plug is 2 pin IDL-CPU and cross check at least one OE number 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 and repeat failures
  • 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
$9.71

Original: $32.36

-70%
Alternator Voltage Regulator Bosch Mercedes-Benz CLK55 E430 SL500 2 Pin IDL-CPU 14.5V REG1068β€”

$32.36

$9.71
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Description

Vehicle Compatibility & OE Cross Reference

Alternator voltage regulator for select Mercedes-Benz applications where the original regulator matches a 2 pin connection with IDL-CPU plug type and the same charging characteristics. Listed as a Bosch 2 pin regulator for Mercedes CLK55, E430, and SL500 applications where a matching alternator is fitted. Confirm fitment by matching the regulator plug style and OE cross reference numbers before ordering.

OE Numbers By Brand

  • Mercedes-Benz: A0121540302; 0031542506; 0111542702; 0121541302; 0131548002; 0131548202; 0141540102
  • BMW: 12317523897; 12317531386; 12317550319
  • VAG: 077903803A

Specifications

  • Reference: REG1068
  • Part Type: Alternator Voltage Regulator
  • Manufacturer: Bosch
  • System Voltage: 12V
  • Charging Voltage: 14.5V
  • Operating Voltage: 14V
  • Connector / Pins: 2 Pin
  • Plug Type: IDL-CPU
  • Specification: 2.5 Sec. LRC
  • Active Lamp: Yes
  • Short Circuit Protection: Yes

Features

  • Regulates alternator field current to maintain stable charging output on compatible Bosch alternators
  • 2 pin IDL-CPU plug type to match the specified regulator interface
  • 14.5V charging specification with 2.5 sec LRC characteristic for matching regulator behaviour
  • Active lamp function with short circuit protection for supported charging circuits
  • OE 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 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 regulator plug is 2 pin IDL-CPU and cross check at least one OE number 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 and repeat failures
  • 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