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Denso 210-4303 Alternator
| Brand | Denso 210-4303 |
|---|---|
| Voltage | 12.0 |
| Fan Type | Internal |
| Rotation Direction | Clockwise |
| Family | Mitsubishi oe |
| Regulator Type | External |
| Amperage Rating | 100 |
| Product line | Reman Alternator |
| Fits | Mazda · 8 vehicles |
OE direct replacement. First Time Fit for proper mounting with minimal installation issues.
Compact, lightweight design. Built to handle demanding heat and electrical loads.
Mitsubishi OE family. Remanufactured to OE assembly benchmarks for reliable service.
Cross-references BBB Industries 11342, Bosch AL4241X and DNS A11342 for the same application. See all 13.
Denso 210-4303 Reman Alternator Overview
The Denso 210-4303 reman alternator is a 12-volt, 100-amp charging component built for Mazda 3 and Mazda 3 Sport applications. It is a remanufactured OE-family unit with an internal fan, clockwise rotation, and an external regulator type, making it a direct-fit choice for charging-system service on select 2010-2013 vehicles.
Denso reman alternators are processed to OE-style standards, with electrical components tested under high-voltage conditions and rotating parts checked for wear control and smooth operation. This helps support stable charging performance for vehicles with modern electronic loads.
Key Features
- Part number: 210-4303
- 12.0-volt alternator with 100 amp output
- Internal fan design
- Clockwise rotation
- External regulator type
- Mitsubishi OE family construction
- Remanufactured for OE-style fit and function
Product Line Details
Denso reman alternators are built for applications that demand consistent electrical output and proper mounting alignment. The reman process includes testing of stators, rectifiers, and rotors, along with bearing validation and slip-ring finishing to help reduce brush wear and maintain dependable operation. For Mazda 3 alternator replacement needs, this product line is focused on accurate fitment and reliable charging performance.
Vehicle Fitment
- Fits 2010-2013 Mazda 3, N/A
- Fits 2010-2012 Mazda 3 Sport, N/A
- Fits 2013 Mazda 3 Sport, N/A
Common Issues This Part Can Address
- Battery warning light caused by weak charging output
- Low system voltage during driving or idle
- Charging failure from a worn alternator assembly
- Electrical instability affecting vehicle accessories and controls
- Noise or wear related to aging alternator bearings
Installation Notes
Verify pulley alignment, connector style, and mounting points before installation. This alternator is listed for Mazda 3 and Mazda 3 Sport models with the specified 12-volt, 100-amp configuration, so confirm the original unit matches the rotation direction and regulator type before replacement. This part cross-references Bosch AL4241X for the same application.
Quality Assurance
Denso remanufactured alternators are tested against OE standards during the reman process, including high-voltage electrical checks and bearing validation. The 210-4303 is built to support dependable charging performance in select Mazda 3 applications.
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2013 | Mazda | 3 | — | N/A | 100 Amp; Reman Alternator |
| 2013 | Mazda | 3 Sport | — | N/A | OE Equivalent; Alternator - Reman |
| 2012 | Mazda | 3 | — | N/A | 100 Amp; Reman Alternator |
| 2012 | Mazda | 3 Sport | GX | N/A | 100 Amp; Alternator - Reman |
| 2011 | Mazda | 3 | — | N/A | 100 Amp; Reman Alternator |
| 2011 | Mazda | 3 Sport | — | N/A | 100 Amp; Alternator - Reman |
| 2010 | Mazda | 3 | — | N/A | 100 Amp; Reman Alternator |
| 2010 | Mazda | 3 Sport | — | N/A | 100 Amp; Alternator - Reman |
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