Description
Vehicle Compatibility
Alternator voltage regulator for Valeo alternators used on select Jeep and Mercedes-Benz applications where the original regulator uses LIN (COM) communication control (LIN 1.3) and matches a 2 pin COM Dummy connection format with IDCPU D plug type. The application list below is a guide; confirm by alternator label and regulator plug style before ordering.
Listed Applications
- Jeep: Grand Cherokee 3.0 CRD 4x4
- Mercedes-Benz A-Class: A160 2.0 Diesel; A180 2.0 Diesel; A200 2.0 Diesel
- Mercedes-Benz C-Class: C320CDI; C350CDI
- Mercedes-Benz E-Class: E280CDI; E300CDI; E320CDI; E350CDI
- Mercedes-Benz CLK: CLK320CDI
- Mercedes-Benz CLS: CLS320CDI
- Mercedes-Benz G-Class: G320CDI
- Mercedes-Benz GL-Class: GL320CDI; GL350CDI; GL420CDI
- Mercedes-Benz ML / M-Class: ML280CDI; ML320CDI; ML420CDI
- Mercedes-Benz R-Class: R280CDI; R320CDI
- Mercedes-Benz: Sprinter; Vito
Specifications
- Reference: REG0052
- Part Type: Alternator Voltage Regulator
- Manufacturer: Valeo
- System Voltage: 12V
- Regulated Voltage (Set Point): 14.3V (VS=14.3V)
- Charging Voltage: 14.3V
- Operating Voltage: 14V
- Voltage Range: From 10.7V To 16.0V
- Circuit: B Circuit
- Type: IR/IF (Internal Regulator / Internal Fan)
- Connector / Pins: 2 Pin (COM Dummy)
- Plug Type: IDCPU D
- Specification: LIN (COM) LIN 1.3
Features
- Designed for Valeo alternators using LIN (COM) communication control (LIN 1.3)
- 2 pin COM Dummy connection format with IDCPU D plug type for correct regulator interface matching
- B 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
- Suitable for alternator overhaul work where the original regulator matches the same LIN communication setup
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 alternator is Valeo and the regulator uses LIN (COM) LIN 1.3 control with a 2 pin COM Dummy plug
- Compare the regulator layout and connector to the original unit before fitting
- 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
Important: Product information, kit contents and compatibility are provided as a guide and may contain errors or omissions. Please verify that this part and any included components are correct for your vehicle before installation. For full details see our Website Disclaimer (Errors & Omissions).



