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Bosch AL4241X Alternator
| Brand | Bosch AL4241X |
|---|---|
| Amperage Rating | 100 |
| Case Color | Aluminum |
| Case Material | Aluminum |
| External Fan Included | No |
| External Regulator Included | No |
| Fan Type | Internal |
| New Or Remanufactured | Remanufactured |
| One Wire Capable | No |
| Original Equipment Manufacturer Names | MI |
| Outside Pulley Diameter | 50.3 |
| Plug Clock Rear View Main Mounting Ear at 6 O Clock | 9 |
| Plug Type | 341 |
| Pulley Groove Quantity | 6 |
| Pulley Included | Yes |
| Pulley Type | 6S |
| Pulley Type / Belt Type (Alternator) | 6S |
| Regulator Type | Internal |
| Rotation Direction | Clockwise |
| Voltage | 12 |
| Product line | Alternator (Remanufactured) |
| Fits | Mazda · 10 vehicles |
Remanufactured unit. Restored and tested for dependable charging performance.
Internal regulator. Built with an integrated regulator for simpler operation.
Pulley included. Ready with the pulley already installed.
Cross-references LF8J18300 for the same application. See all 1.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Bosch Remanufactured Alternator for Mazda 3
Bosch AL4241X is a remanufactured 12-volt alternator built for charging-system replacement on select Mazda applications. It is engineered with an internal regulator, internal fan, and a clockwise rotation design to support stable electrical output in daily driving conditions.
Compatible with 2010-2013 Mazda 3 and 2009-2013 Mazda 3 Sport, this Bosch alternator includes a pulley and uses a 6-groove belt setup. The aluminum case and 100-amp rating make it a direct-fit charging component for drivers replacing a worn or failing alternator on Mazda 3 and Mazda 3 Sport models.
Key Features
- Brand: Bosch Premium Alternators remanufactured line
- Part number: AL4241X
- 12-volt alternator with 100-amp output
- Internal regulator and internal fan
- Clockwise rotation direction
- Includes pulley; 6-groove pulley design
- Aluminum case and aluminum case material
- Remanufactured construction for charging-system replacement
Product Line Details
Bosch Premium Alternators are remanufactured to meet charging-system performance and reliability requirements. This product line focuses on consistent electrical output, proper fitment, and dependable operation for vehicles that rely on a stable alternator to maintain battery charge and support vehicle electronics.
Detailed Description
Bosch AL4241X is a remanufactured alternator for Mazda 3 and Mazda 3 Sport models that need a replacement charging unit with OE-style fitment characteristics. It features a 12-volt design, internal voltage regulation, and a 100-amp amperage rating to support the vehicle’s electrical system. The included pulley and 6S belt configuration help match the original accessory drive setup, while the aluminum housing supports a lightweight, durable assembly.
This part cross-references Mitsubishi (e.g., LF8J18300) for the same application.
What It Helps Fix
- Battery warning light caused by alternator output loss
- Low charging voltage during driving
- Dim lights or unstable electrical performance
- Battery drain from a failing charging system
- Noise or charging irregularities from a worn alternator assembly
Installation Notes and Tips
Verify connector style, pulley alignment, and belt routing before installation. Confirm the vehicle uses the listed 12-volt, 6-groove alternator configuration and compare the original unit to Bosch AL4241X before removal. After installation, check charging voltage and inspect the belt system for proper tension and wear.
Quality Assurance
Bosch remanufactured alternators are built, tested, and inspected to support reliable charging performance. AL4241X is produced as a remanufactured replacement part for Mazda 3 and Mazda 3 Sport applications where correct electrical output and fitment are required.
| Year | Make | Model | Submodel | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2013 | Mazda | 3 | — | — | 2.0L | L4 | N/A | Alternator (Remanufactured) |
| 2013 | Mazda | 3 Sport | — | — | 2.0L | L4 | N/A | Alternator (Remanufactured) |
| 2012 | Mazda | 3 | — | — | 2.0L | L4 | N/A | Alternator (Remanufactured) |
| 2012 | Mazda | 3 Sport | — | — | 2.0L | L4 | N/A | Alternator (Remanufactured) |
| 2011 | Mazda | 3 | Sport GX | — | 2.0L | L4 | N/A | Alternator (Remanufactured) |
| 2011 | Mazda | 3 | — | Sedan | 2.0L | L4 | N/A | Alternator (Remanufactured) |
| 2011 | Mazda | 3 Sport | — | — | 2.0L | L4 | N/A | Alternator (Remanufactured) |
| 2010 | Mazda | 3 | — | Sedan | 2.0L | L4 | N/A | Alternator (Remanufactured) |
| 2010 | Mazda | 3 Sport | — | — | 2.0L | L4 | N/A | Alternator (Remanufactured) |
| 2009 | Mazda | 3 Sport | — | — | 2.0L | L4 | N/A | Alternator (Remanufactured) |
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