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Bosch AL4207X Alternator
| Brand | Bosch AL4207X |
|---|---|
| Voltage | 12 |
| Plug Clock Rear View Main Mounting Ear at 6 O Clock | 2 |
| Plug Type | 300 |
| Fan Type | Internal |
| Rotation Direction | Clockwise |
| External Fan Included | Yes |
| One Wire Capable | No |
| Pulley Included | Yes |
| External Regulator Included | Yes |
| Pulley Groove Quantity | 1 |
| Case Color | Aluminum |
| Outside Pulley Diameter | 74 |
| Regulator Type | Internal |
| Case Material | Aluminum |
| Amperage Rating | 60 |
| New Or Remanufactured | Remanufactured |
| Original Equipment Manufacturer Names | Mi |
| Packaging | Box |
| Pulley Type | 1v |
| Pulley Type / Belt Type (Alternator) | 1v |
| Product line | Alternator (Remanufactured) |
| Fits | Mazda · 4 vehicles |
Remanufactured unit. Restored and tested for dependable charging performance.
Aluminum case. Lightweight construction helps support efficient heat dissipation.
Internal fan. Built to promote airflow for reliable operation.
Cross-references B61P18300 for the same application. See all 1.
Bosch AL4207X Alternator for Mazda Miata
The Bosch AL4207X is a remanufactured 12-volt alternator built for charging-system replacement on select Mazda Miata models. It is a direct-fit electrical component for 1990-1993 Mazda Miata applications and is built with Bosch Premium Alternators engineering standards for performance and reliability.
Key Features
- Remanufactured Bosch alternator for charging system service
- 12-volt, 60-amp amperage rating
- Internal fan and internal regulator design
- Clockwise rotation direction
- Includes pulley and external fan
- Single-groove 1V pulley with 74 mm outside diameter
- Aluminum case and aluminum case material
- Plug type 300 with rear-view plug clock at 6 o’clock
Product Details
The Bosch AL4207X alternator is engineered as a remanufactured replacement for the charging system on 1990-1993 Mazda Miata models. Bosch Premium Alternators are built and tested to deliver consistent electrical output and dependable operation, making this unit a practical choice when replacing a worn or failing alternator. This part number, AL4207X, also cross-references B61P18300 for the same application.
Compatible With 1990-1993 Mazda Miata, N/A. Use this Bosch AL4207X alternator when the vehicle shows charging-system symptoms and the original unit matches the listed electrical and mounting specifications.
Common Issues This Part Can Address
- Battery warning light caused by alternator output loss
- Low charging voltage during engine operation
- Dim lights or unstable electrical performance
- Battery discharge after driving
- Noise or wear from a failing alternator assembly
Installation Notes
Verify plug type, pulley configuration, rotation direction, and mounting-ear orientation before installation. This alternator uses a clockwise rotation, internal regulator, and a 1V single-groove pulley, so the replacement unit should match the vehicle’s original charging-system layout. Confirm fitment for your Mazda Miata by year and electrical connector style before final installation.
Quality Assurance
Bosch Premium Alternators are remanufactured, built, and tested to support reliable charging performance. The AL4207X is intended for direct replacement use on the listed Mazda Miata applications and is backed by Bosch’s established electrical-component manufacturing standards.
| Year | Make | Model | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1993 | Mazda | Miata | Manual | 1.6L | L4 | N/A | Alternator (Remanufactured) |
| 1992 | Mazda | Miata | Manual | 1.6L | L4 | N/A | Alternator (Remanufactured) |
| 1991 | Mazda | Miata | Manual | 1.6L | L4 | N/A | Alternator (Remanufactured) |
| 1990 | Mazda | Miata | — | 1.6L | L4 | N/A | Alternator (Remanufactured) |
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