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
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).