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Remy 12999 Alternator
| Brand | Remy 12999 |
|---|---|
| Amperage Rating | 100 |
| Fan Type | Internal |
| New or Remanufactured | Remanufactured |
| OE Manufacturer | Mitsubishi |
| Pulley Included | Yes |
| Rotation Direction | Clockwise |
| Voltage (V) | 12 |
| Voltage Regulator Type | Internal |
| Product line | Premium Remanufactured |
| Fits | Mazda · 8 vehicles |
Remanufactured unit. Built for charging-system replacement with a 100-amp output rating.
Integrated regulation. Internal voltage regulator and internal fan support stable electrical operation.
OE manufacturer listed. Cataloged with Mitsubishi as the original equipment manufacturer reference.
Cross-references A2TJ0791 and LF8J-18-300 for the same application. See all 2.
Remanufactured Alternator for Mazda 3
Remy 12999 is a remanufactured alternator built for 12-volt charging systems with a 100-amp rating, internal fan, internal voltage regulator, and included pulley. It is listed for Mazda 3 and Mazda 3 Sport applications from 2010-2013, with fitment notes covering various alternator models.
Key Features
- Remanufactured alternator with a 100-amp output rating
- Internal fan and internal voltage regulator for integrated charging control
- Clockwise rotation with pulley included
- OE manufacturer listed as Mitsubishi
- Fits 2010-2013 Mazda 3 and Mazda 3 Sport applications
Detailed Description
Remy 12999 is a premium remanufactured alternator for charging-system service on Mazda 3 and Mazda 3 Sport models. The unit is specified for 12 volts, 100 amps, clockwise rotation, and internal regulation, making it a direct match for applications that use this configuration. The OE manufacturer reference is Mitsubishi, and the part number 12999 is useful when confirming the correct replacement against existing service information or catalog listings. This part cross-references Mitsubishi and Mazda numbers A2TJ0791 and LF8J-18-300 for the same application.
What It Is Used For
- Restoring charging output when the alternator no longer maintains system voltage
- Addressing battery warning lights caused by alternator performance loss
- Replacing a worn or noisy charging unit in Mazda 3 and Mazda 3 Sport vehicles
- Correcting undercharging conditions that affect starting and electrical operation
Installation Notes and Tips
Verify the vehicle’s alternator configuration against the listed 100-amp, 12-volt, clockwise-rotation specifications before installation. Confirm connector and mounting details against the removed unit, especially on Mazda 3 and Mazda 3 Sport applications with multiple alternator variants. Use the part number 12999 and the cross-reference numbers to match the correct charging-system component.
Quality Assurance
Remy Premium Remanufactured identifies a remanufactured product line focused on replacement charging components. The OE manufacturer reference to Mitsubishi provides an additional catalog check for application matching and part verification.
| Year | Make | Model | Liters | Cylinders | Notes |
|---|---|---|---|---|---|
| 2013 | Mazda | 3 | 2.0L | L4 | 100 Amps, fits various alternator models.; Premium Remanufactured |
| 2013 | Mazda | 3 Sport | 2.0L | L4 | 100 Amps, fits various alternator models.; Premium Remanufactured |
| 2012 | Mazda | 3 | 2.0L | L4 | 100 Amps, fits various alternator models.; Premium Remanufactured |
| 2012 | Mazda | 3 Sport | 2.0L | L4 | 100 Amps, fits various alternator models.; Premium Remanufactured |
| 2011 | Mazda | 3 | 2.0L | L4 | 100 Amps, fits various alternator models.; Premium Remanufactured |
| 2011 | Mazda | 3 Sport | 2.0L | L4 | 100 Amps, fits various alternator models.; Premium Remanufactured |
| 2010 | Mazda | 3 | 2.0L | L4 | 100 Amps, fits various alternator models.; Premium Remanufactured |
| 2010 | Mazda | 3 Sport | 2.0L | L4 | 100 Amps, fits various alternator models.; Premium Remanufactured |
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