Bosch
Alternator (New)

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.

$269.17Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $269.17
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

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.

This part fits 40 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelDrive TypeLitersCylindersFuel TypePositionNotes
2006FordGT5.4LV8N/AAlternator (New)
2005FordGT5.4LV8N/AAlternator (New)
2004FordExplorer4.0LV6N/ATo 130 Amp Alternator; Alternator (New)
2004FordExplorer Sport Trac4WD4.0LV6FLEXN/ATo 12/2003; To 130 Amp Alternator; Alternator (New)
2004FordExplorer Sport TracRWD4.0LV6FLEXN/ATo 12/2003; Alternator (New)
2004FordExplorer Sport Trac4.0LV6GASN/ATo 12/2003; To 130 Amp Alternator; Alternator (New)
2004MercuryMountaineer4.0LV6N/ATo 130 Amp Alternator; Alternator (New)
2003FordExplorer4.0LV6GASN/ATo 130 Amp Alternator; Alternator (New)
2003FordExplorer4.0LV6FLEXN/AAlternator (New)
2003FordExplorer Sport4.0LV6N/ATo 130 Amp Alternator; Alternator (New)
2003FordExplorer Sport Trac4.0LV6N/ATo 130 Amp Alternator; Alternator (New)
2003MercuryMountaineer4.0LV6N/ATo 130 Amp Alternator; Alternator (New)
2002FordExplorer4.0LV6GASN/ATo 130 Amp Alternator; Alternator (New)
2002FordExplorer4.0LV6FLEXN/AAlternator (New)
2002FordExplorer Sport4.0LV6N/ATo 130 Amp Alternator; Alternator (New)
2002FordExplorer Sport Trac4.0LV6N/ATo 130 Amp Alternator; Alternator (New)
2002MercuryMountaineer4.0LV6N/ATo 130 Amp Alternator; Alternator (New)
2001FordExplorer5.0LV8N/ATo 130 Amp Alternator; Alternator (New)
2001FordExplorer4.0LV6N/ATo 130 Amp Alternator; Alternator (New)
2001FordExplorer Sport4.0LV6N/ATo 130 Amp Alternator; Alternator (New)
2001FordExplorer Sport Trac4.0LV6N/ATo 130 Amp Alternator; Alternator (New)
2001MercuryMountaineer5.0LV8N/AAlternator (New)
2001MercuryMountaineer4.0LV6N/ATo 130 Amp Alternator; Alternator (New)
2000FordExplorer4.0LV6N/ATo 130 Amp Alternator; Alternator (New)
2000FordExplorer5.0LV8N/ATo 130 Amp Alternator; Alternator (New)
2000MercuryMountaineer5.0LV8N/AAlternator (New)
2000MercuryMountaineer4.0LV6N/ATo 130 Amp Alternator; Alternator (New)
1999FordExplorer5.0LV8N/ATo 130 Amp Alternator; Alternator (New)
1999FordExplorer4.0LV6N/ATo 130 Amp Alternator; Alternator (New)
1999MercuryMountaineer5.0LV8N/AAlternator (New)
1999MercuryMountaineer4.0LV6N/ATo 130 Amp Alternator; Alternator (New)
1998FordExplorer4.0LV6N/AAlternator (New)
1998FordExplorer5.0LV8N/ATo 130 Amp Alternator; Alternator (New)
1998MercuryMountaineer5.0LV8N/AAlternator (New)
1998MercuryMountaineer4.0LV6N/ATo 130 Amp Alternator; Alternator (New)
1997FordExplorer4.0LV6N/AAlternator (New)
1997FordExplorer5.0LV8N/ATo 130 Amp Alternator; Alternator (New)
1997MercuryMountaineerAWD5.0LV8N/AAlternator (New)
1997MercuryMountaineer4WD5.0LV8N/AAlternator (New)
1996FordExplorer5.0LV8N/ATo 130 Amp Alternator; Alternator (New)
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
1L2Z10346AB4G7Z10346AAF77Z10346ABXL2Z10346AA