Alternator Voltage Regulator 12V Mercedes Benz Low Cut In Speed 14.6V For ALT1065 REG1009
Vehicle Compatibility
Alternator voltage regulator for select Mercedes-Benz alternator applications where the unit matches regulator reference REG1009 and is specified for alternator ALT1065. Built to a low cut-in speed specification with a 14.6V charging target to help stabilise charging output. Also cross-referenced to various OE numbers used across Alfa Romeo / Fiat / Lancia, Citroën / Peugeot, John Deere and SAME applications where the alternator/regulator reference matches. Confirm by alternator reference or OE number before ordering.
- Mercedes-Benz: Alternator applications matching ALT1065 / 0031541906
- Alfa Romeo / Fiat / Lancia: 9947418; 995083; 9950830
- Citroën / Peugeot: 576196
- John Deere: AL155404
- SAME: 001026060 (Ref 23)
Specifications
- Reference: REG1009
- Part Type: Alternator Voltage Regulator
- System Voltage: 12V
- Operating Voltage: 14V
- Charging Voltage: 14.6V
- Specification: Low Cut-In Speed
- For Alternator Reference: ALT1065
Features
- Low cut-in speed specification to support earlier and more stable charging on compatible alternators
- 14.6V charging control for consistent battery charging performance on 12V systems
- Designed as a direct replacement where alternator reference ALT1065 and cross-references match
- Suitable for workshop alternator overhaul work where regulation faults cause undercharge or overcharge symptoms
- Confirming by OE/cross reference reduces incorrect fitment on similar-looking regulator styles
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 regulator
- 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 regulator replacement
- Confirm alternator reference ALT1065 or a listed OE/cross reference before fitting
- Inspect brushes, slip rings and internal connections while the alternator is open and replace worn parts as required
- Ensure all charge circuit connections are clean and tight to prevent voltage drop and repeat failures
- After installation, verify charging voltage under load and confirm the warning lamp behaves correctly
- If you are unsure about alternator repairs, have the unit fitted and tested by a qualified auto electrician
Original: $10.49
-70%$10.49
$3.15


Description
Vehicle Compatibility
Alternator voltage regulator for select Mercedes-Benz alternator applications where the unit matches regulator reference REG1009 and is specified for alternator ALT1065. Built to a low cut-in speed specification with a 14.6V charging target to help stabilise charging output. Also cross-referenced to various OE numbers used across Alfa Romeo / Fiat / Lancia, Citroën / Peugeot, John Deere and SAME applications where the alternator/regulator reference matches. Confirm by alternator reference or OE number before ordering.
- Mercedes-Benz: Alternator applications matching ALT1065 / 0031541906
- Alfa Romeo / Fiat / Lancia: 9947418; 995083; 9950830
- Citroën / Peugeot: 576196
- John Deere: AL155404
- SAME: 001026060 (Ref 23)
Specifications
- Reference: REG1009
- Part Type: Alternator Voltage Regulator
- System Voltage: 12V
- Operating Voltage: 14V
- Charging Voltage: 14.6V
- Specification: Low Cut-In Speed
- For Alternator Reference: ALT1065
Features
- Low cut-in speed specification to support earlier and more stable charging on compatible alternators
- 14.6V charging control for consistent battery charging performance on 12V systems
- Designed as a direct replacement where alternator reference ALT1065 and cross-references match
- Suitable for workshop alternator overhaul work where regulation faults cause undercharge or overcharge symptoms
- Confirming by OE/cross reference reduces incorrect fitment on similar-looking regulator styles
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 regulator
- 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 regulator replacement
- Confirm alternator reference ALT1065 or a listed OE/cross reference before fitting
- Inspect brushes, slip rings and internal connections while the alternator is open and replace worn parts as required
- Ensure all charge circuit connections are clean and tight to prevent voltage drop and repeat failures
- After installation, verify charging voltage under load and confirm the warning lamp behaves correctly
- If you are unsure about alternator repairs, have the unit fitted and tested by a qualified auto electrician












