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Bosch AL4240X Alternator
| Brand | Bosch AL4240X |
|---|---|
| Voltage | 12 |
| Plug Clock Rear View Main Mounting Ear at 6 O Clock | 3 |
| Plug Type | 341 |
| Fan Type | Internal |
| Rotation Direction | Clockwise |
| One Wire Capable | No |
| Pulley Included | Yes |
| External Regulator Included | Yes |
| Pulley Groove Quantity | 6 |
| Case Color | Aluminum |
| Outside Pulley Diameter | 55 |
| Regulator Type | Internal |
| Case Material | Aluminum |
| Amperage Rating | 110 |
| New Or Remanufactured | Remanufactured |
| Original Equipment Manufacturer Names | Mi |
| Private Brand? | No |
| Pulley Type | 6s |
| Pulley Type / Belt Type (Alternator) | 6s |
| Product line | Alternator (Remanufactured) |
| Fits | Mazda · 13 vehicles |
Remanufactured unit. Restored and tested for dependable charging performance.
Internal regulation. Built with an internal regulator and fan for efficient operation.
Pulley included. Comes ready with a 6-groove pulley for straightforward installation.
Cross-references L33G18300 for the same application. See all 1.
Bosch Remanufactured Alternator for Mazda 5 and CX-7
Bosch AL4240X is a remanufactured 12-volt alternator built for dependable charging performance in select Mazda applications. It is engineered with an internal fan, internal regulator, and clockwise rotation to match the specified vehicle setup.
Compatible With 2012-2015 Mazda 5 and 2007-2012 Mazda CX-7, this Bosch Premium Alternator line focuses on tested electrical performance and reliable operation. The AL4240X includes a pulley and an external regulator, and it uses a 6-groove pulley design with a 55 mm outside pulley diameter.
Key Features
- Remanufactured Bosch alternator for 12-volt charging systems
- Internal fan and internal regulator for OE-style electrical control
- Clockwise rotation direction
- 6-groove pulley with pulley included
- Aluminum case and aluminum case color
- 110 amp amperage rating
- Plug type 341 with rear-view plug clock at 3 o'clock
- One-wire capable: No
Product Details
Bosch AL4240X is part of the Bosch Premium Alternators line, a remanufactured product family built and tested for consistent charging output and dependable electrical performance. This alternator is designed for Mazda 5 and Mazda CX-7 applications that require the listed plug configuration, pulley setup, and 12-volt system specifications. The AL4240X part number is also referenced in interchange listings for L33G18300.
What This Alternator Helps Address
- Battery warning light caused by weak charging output
- Dim headlights or unstable electrical performance
- Battery drain from an alternator that no longer maintains system voltage
- Charging system noise related to worn internal components
- Starting issues tied to insufficient alternator output
Installation Notes
Verify plug type 341, rear-view plug clock position at 3 o'clock, 6-groove pulley fitment, and clockwise rotation before installation. Confirm the vehicle uses the specified 12-volt charging system and compare the existing unit to Bosch AL4240X for connector, pulley, and mounting-ear alignment. Fits 2012-2015 Mazda 5, N/A. Fits 2007-2012 Mazda CX-7, N/A.
Quality Assurance
Bosch designs, builds, and tests this remanufactured alternator to support reliable performance and charging-system consistency. The AL4240X reflects Bosch’s premium alternator program for applications that require a remanufactured OE-style replacement.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2015 | Mazda | 5 | 2.5L | L4 | N/A | Alternator (Remanufactured) |
| 2014 | Mazda | 5 | 2.5L | L4 | N/A | Alternator (Remanufactured) |
| 2013 | Mazda | 5 | 2.5L | L4 | N/A | Alternator (Remanufactured) |
| 2012 | Mazda | 5 | 2.5L | L4 | N/A | Alternator (Remanufactured) |
| 2012 | Mazda | CX-7 | 2.5L | L4 | N/A | Alternator (Remanufactured) |
| 2012 | Mazda | CX-7 | 2.3L | L4 | N/A | Alternator (Remanufactured) |
| 2011 | Mazda | CX-7 | 2.3L | L4 | N/A | Alternator (Remanufactured) |
| 2011 | Mazda | CX-7 | 2.5L | L4 | N/A | Alternator (Remanufactured) |
| 2010 | Mazda | CX-7 | 2.5L | L4 | N/A | Alternator (Remanufactured) |
| 2010 | Mazda | CX-7 | 2.3L | L4 | N/A | Alternator (Remanufactured) |
| 2009 | Mazda | CX-7 | 2.3L | L4 | N/A | Alternator (Remanufactured) |
| 2008 | Mazda | CX-7 | 2.3L | L4 | N/A | Alternator (Remanufactured) |
| 2007 | Mazda | CX-7 | 2.3L | L4 | N/A | Alternator (Remanufactured) |
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