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Bosch AL7543N Alternator
| Brand | Bosch AL7543N |
|---|---|
| Amperage Rating | 130 |
| Case Color | Aluminum |
| Case Material | Aluminum |
| External Fan Included | Yes |
| External Regulator Included | Yes |
| Fan Type | Internal |
| New Or Remanufactured | New |
| One Wire Capable | No |
| Original Equipment Manufacturer Names | FO |
| Outside Pulley Diameter | 59 |
| Plug Clock Rear View Main Mounting Ear at 6 O Clock | 4 |
| Plug Type | 331 |
| 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 (New) |
| Fits | Ford and Mercury · 40 vehicles |
New alternator. Built for dependable charging performance and reliability.
130-amp output. Delivers strong electrical support for demanding systems.
Aluminum case. Helps keep weight down while resisting corrosion.
Cross-references 1L2Z10346AB, 4G7Z10346AA and F77Z10346AB for the same application. See all 4.
Bosch AL7543N Alternator Overview
The Bosch AL7543N is a new 12-volt alternator built for Ford and Mercury applications that require dependable charging performance. It is a Bosch Premium Alternator, engineered and tested for consistent output and reliable operation in daily driving conditions.
Key Features
- 12-volt alternator with a 130 amp amperage rating
- New unit with internal fan and internal regulator
- Clockwise rotation
- Includes pulley and external fan
- 6-groove pulley design with 59 mm outside pulley diameter
- Aluminum case and aluminum case material
- Plug type 331 with rear-view plug clocking at 6 o’clock main mounting ear
- Not one-wire capable
Detailed Description
Bosch AL7543N is a direct-fit charging system component for select Ford GT, Explorer, Explorer Sport, Explorer Sport Trac, and Mercury Mountaineer models. This alternator is built as a new replacement unit with the specifications needed for vehicles using a 130 amp charging setup, helping maintain stable electrical output for the battery, lighting, ignition, and onboard accessories. Bosch AL7543N is a practical choice when replacing a worn alternator on 1996-2006 Ford and Mercury platforms.
Bosch Premium Alternators are built to deliver consistent performance and reliability through controlled manufacturing and testing. The AL7543N uses an internal fan, internal regulator, and a 6-groove pulley configuration to match the original charging system layout on the listed applications. This part cross-references Ford OE numbers 1L2Z10346AB and XL2Z10346AA for the same application.
What It Helps Address
- Battery warning light caused by alternator output loss
- Low charging voltage during driving or idle
- Dim headlights and unstable electrical performance
- Accessory power issues tied to weak charging output
- Starting problems related to insufficient battery recharge
Installation Notes and Fitment
- Fits 2005-2006 Ford GT, N/A
- Fits 1996-2004 Ford Explorer, N/A; to 130 amp alternator
- Fits 2004 Ford Explorer Sport Trac, N/A; to 12/2003; to 130 amp alternator
- Fits 2004 Ford Explorer Sport Trac, N/A; to 12/2003
- Fits 1998-2004 Mercury Mountaineer, N/A; to 130 amp alternator
- Fits 2002-2003 Ford Explorer, N/A
- Fits 1997-1998 Ford Explorer, N/A
- Fits 2001-2003 Ford Explorer Sport, N/A; to 130 amp alternator
- Fits 2001-2003 Ford Explorer Sport Trac, N/A; to 130 amp alternator
- Fits 1997-2001 Mercury Mountaineer, N/A
Verify pulley style, plug type 331, rotation direction, and amperage rating before installation. The Bosch AL7543N is designed for vehicles that use the listed mounting and electrical configuration, including Ford Explorer and Mercury Mountaineer charging system applications.
Quality Assurance
Bosch Premium Alternators are manufactured, built, and tested to support dependable charging performance and long-term reliability. The AL7543N reflects Bosch’s OE-focused engineering approach for select Ford and Mercury applications.
| Year | Make | Model | Drive Type | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2006 | Ford | GT | — | 5.4L | V8 | — | N/A | Alternator (New) |
| 2005 | Ford | GT | — | 5.4L | V8 | — | N/A | Alternator (New) |
| 2004 | Ford | Explorer | — | 4.0L | V6 | — | N/A | To 130 Amp Alternator; Alternator (New) |
| 2004 | Ford | Explorer Sport Trac | 4WD | 4.0L | V6 | FLEX | N/A | To 12/2003; To 130 Amp Alternator; Alternator (New) |
| 2004 | Ford | Explorer Sport Trac | RWD | 4.0L | V6 | FLEX | N/A | To 12/2003; Alternator (New) |
| 2004 | Ford | Explorer Sport Trac | — | 4.0L | V6 | GAS | N/A | To 12/2003; To 130 Amp Alternator; Alternator (New) |
| 2004 | Mercury | Mountaineer | — | 4.0L | V6 | — | N/A | To 130 Amp Alternator; Alternator (New) |
| 2003 | Ford | Explorer | — | 4.0L | V6 | GAS | N/A | To 130 Amp Alternator; Alternator (New) |
| 2003 | Ford | Explorer | — | 4.0L | V6 | FLEX | N/A | Alternator (New) |
| 2003 | Ford | Explorer Sport | — | 4.0L | V6 | — | N/A | To 130 Amp Alternator; Alternator (New) |
| 2003 | Ford | Explorer Sport Trac | — | 4.0L | V6 | — | N/A | To 130 Amp Alternator; Alternator (New) |
| 2003 | Mercury | Mountaineer | — | 4.0L | V6 | — | N/A | To 130 Amp Alternator; Alternator (New) |
| 2002 | Ford | Explorer | — | 4.0L | V6 | GAS | N/A | To 130 Amp Alternator; Alternator (New) |
| 2002 | Ford | Explorer | — | 4.0L | V6 | FLEX | N/A | Alternator (New) |
| 2002 | Ford | Explorer Sport | — | 4.0L | V6 | — | N/A | To 130 Amp Alternator; Alternator (New) |
| 2002 | Ford | Explorer Sport Trac | — | 4.0L | V6 | — | N/A | To 130 Amp Alternator; Alternator (New) |
| 2002 | Mercury | Mountaineer | — | 4.0L | V6 | — | N/A | To 130 Amp Alternator; Alternator (New) |
| 2001 | Ford | Explorer | — | 5.0L | V8 | — | N/A | To 130 Amp Alternator; Alternator (New) |
| 2001 | Ford | Explorer | — | 4.0L | V6 | — | N/A | To 130 Amp Alternator; Alternator (New) |
| 2001 | Ford | Explorer Sport | — | 4.0L | V6 | — | N/A | To 130 Amp Alternator; Alternator (New) |
| 2001 | Ford | Explorer Sport Trac | — | 4.0L | V6 | — | N/A | To 130 Amp Alternator; Alternator (New) |
| 2001 | Mercury | Mountaineer | — | 5.0L | V8 | — | N/A | Alternator (New) |
| 2001 | Mercury | Mountaineer | — | 4.0L | V6 | — | N/A | To 130 Amp Alternator; Alternator (New) |
| 2000 | Ford | Explorer | — | 4.0L | V6 | — | N/A | To 130 Amp Alternator; Alternator (New) |
| 2000 | Ford | Explorer | — | 5.0L | V8 | — | N/A | To 130 Amp Alternator; Alternator (New) |
| 2000 | Mercury | Mountaineer | — | 5.0L | V8 | — | N/A | Alternator (New) |
| 2000 | Mercury | Mountaineer | — | 4.0L | V6 | — | N/A | To 130 Amp Alternator; Alternator (New) |
| 1999 | Ford | Explorer | — | 5.0L | V8 | — | N/A | To 130 Amp Alternator; Alternator (New) |
| 1999 | Ford | Explorer | — | 4.0L | V6 | — | N/A | To 130 Amp Alternator; Alternator (New) |
| 1999 | Mercury | Mountaineer | — | 5.0L | V8 | — | N/A | Alternator (New) |
| 1999 | Mercury | Mountaineer | — | 4.0L | V6 | — | N/A | To 130 Amp Alternator; Alternator (New) |
| 1998 | Ford | Explorer | — | 4.0L | V6 | — | N/A | Alternator (New) |
| 1998 | Ford | Explorer | — | 5.0L | V8 | — | N/A | To 130 Amp Alternator; Alternator (New) |
| 1998 | Mercury | Mountaineer | — | 5.0L | V8 | — | N/A | Alternator (New) |
| 1998 | Mercury | Mountaineer | — | 4.0L | V6 | — | N/A | To 130 Amp Alternator; Alternator (New) |
| 1997 | Ford | Explorer | — | 4.0L | V6 | — | N/A | Alternator (New) |
| 1997 | Ford | Explorer | — | 5.0L | V8 | — | N/A | To 130 Amp Alternator; Alternator (New) |
| 1997 | Mercury | Mountaineer | AWD | 5.0L | V8 | — | N/A | Alternator (New) |
| 1997 | Mercury | Mountaineer | 4WD | 5.0L | V8 | — | N/A | Alternator (New) |
| 1996 | Ford | Explorer | — | 5.0L | V8 | — | N/A | To 130 Amp Alternator; Alternator (New) |
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