Description
Vehicle Compatibility
Alternator voltage regulator for select Toyota applications where the original regulator matches a 4 pin IG S L FR connector layout and an IR/IF internal regulator internal fan configuration. Referenced for Magneti Marelli and Nippon Denso alternator families where the regulator layout matches. Confirm by alternator label and regulator plug style before ordering.
- Toyota Auris: 1.4L VVTi
- Toyota Avensis: 1.6L VVTi; 1.8L VVTi
- Toyota Corolla: 1.4L VVTi; 1.6L VVTi
- Toyota Corolla Verso: 1.6L VVTi; 1.8L VVTi
- Toyota Yaris: Applications using a matching 4 pin IG S L FR regulator
Specifications
- Reference: REG6140
- Catalogue Reference: REG6104
- Part Type: Alternator Voltage Regulator
- Manufacturer: Magneti Marelli / Nippon Denso
- System Voltage: 12V
- Type: IR/IF (Internal Regulator / Internal Fan)
- Connector / Pins: 4 Pin (IG S L FR)
Features
- Controls alternator field current to support stable battery charging on compatible Toyota alternators
- 4 pin IG S L FR connector layout for the specified regulator interface
- IR/IF internal regulator internal fan configuration for matching alternator designs
- Suitable for alternator overhaul work where the original regulator matches the same plug and layout
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 DIY customers 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 matches a 4 pin IG S L FR layout and the alternator family is Magneti Marelli or Nippon Denso where specified
- 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 at idle and under load to confirm stable regulation
- If you are unsure about alternator repairs, have the regulator fitted and tested by a qualified auto electrician