Bosch
Alternator (Remanufactured)

Bosch AL0812X Alternator

Brand Bosch AL0812X
Amperage Rating 120
Case Color Aluminum
Case Material Aluminum
External Fan Included Yes
External Regulator Included Yes
Fan Type Internal
New Or Remanufactured Remanufactured
One Wire Capable No
Original Equipment Manufacturer Names BO
Outside Pulley Diameter 53
Packaging Box
Plug Clock Rear View Main Mounting Ear at 6 O Clock 10
Plug Type 367
Pulley Groove Quantity 6
Pulley Included Yes
Pulley Type 6S
Pulley Type / Belt Type (Alternator) 6S-CP
Regulator Type Internal
Rotation Direction Clockwise
Voltage 12
Product line Alternator (Remanufactured)
Fits Porsche · 18 vehicles

Remanufactured alternator. Built and tested for dependable charging performance.

Aluminum case. Lightweight construction helps manage heat and durability.

Pulley included. Ready for a straightforward installation.

Cross-references 99660301202 for the same application. See all 1.

$388.63Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $388.63
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Bosch Remanufactured Alternator for Porsche

The Bosch AL0812X is a remanufactured 12-volt alternator built for charging-system performance and dependable electrical output. It is a direct-fit replacement for select Porsche 911 and Boxster applications, including models with an over-running clutch pulley and pulley-specific configurations.

Key Features

  • 12-volt remanufactured alternator for charging-system service
  • 120-amp amperage rating for stable electrical output
  • Internal fan and internal regulator design
  • Clockwise rotation
  • Aluminum case and aluminum case material
  • Includes pulley; 6-groove pulley design
  • External fan included and external regulator included
  • Plug type 367 with rear-view main mounting ear at 6 o’clock
  • Bosch Premium Alternators are built and tested for performance and reliability

Detailed Description

This Bosch Premium Alternator, part number AL0812X, is a remanufactured charging component engineered for select Porsche 911 and Porsche Boxster vehicles. It uses a 12-volt, 120-amp design with an internal fan, internal regulator, and clockwise rotation, along with a 6-groove pulley and aluminum housing for OE-style service replacement. The AL0812X is also listed as a cross-reference for Porsche OE part number 99660301202 for the same application.

Compatible fitment includes 2000-2001 Porsche Boxster with over-running clutch pulley and pulley, 2001 Porsche 911 with over-running clutch pulley and pulley, 2002-2004 Porsche Boxster with pulley, 2002-2004 Porsche 911, and 2003-2004 Porsche 911 with over-running clutch pulley. If you are searching for a Bosch alternator for Porsche 911 charging problems or a remanufactured alternator for Porsche Boxster electrical repair, AL0812X is the matching part number to verify.

What It Helps Solve

  • Low battery charge caused by alternator output loss
  • Battery warning light related to charging-system faults
  • Dim lights or unstable electrical performance
  • Charging issues after alternator wear or failure
  • Noise or pulley-related alternator service concerns

Installation Notes and Tips

Verify plug type 367, pulley configuration, rotation direction, and mounting-ear orientation before installation. Confirm whether your Porsche 911 or Boxster application uses an over-running clutch pulley or standard pulley setup, since fitment notes vary by model year. Check belt alignment and charging-system connections during replacement to help ensure proper operation.

Quality Assurance

Bosch remanufactured alternators are designed, built, and tested to meet charging-system performance and reliability expectations for service replacement use.

This part fits 18 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypeTransmissionLitersCylindersPositionNotes
2004Porsche9113.6LH6N/Awith Over-Running Clutch Pulley; Alternator (Remanufactured)
2004Porsche9113.6LH6N/AAlternator (Remanufactured)
2004Porsche911Manual3.6LH6N/AAlternator (Remanufactured)
2004PorscheBoxsterManual2.7LH6N/Awith Pulley; Alternator (Remanufactured)
2004PorscheBoxsterManual3.2LH6N/Awith Pulley; Alternator (Remanufactured)
2003Porsche9113.6LH6N/AAlternator (Remanufactured)
2003Porsche911Manual3.6LH6N/AAlternator (Remanufactured)
2003Porsche9113.6LH6N/Awith Over-Running Clutch Pulley; Alternator (Remanufactured)
2003PorscheBoxsterManual2.7LH6N/Awith Pulley; Alternator (Remanufactured)
2003PorscheBoxsterManual3.2LH6N/Awith Pulley; Alternator (Remanufactured)
2002Porsche9113.6LH6N/AAlternator (Remanufactured)
2002Porsche911Manual3.6LH6N/AAlternator (Remanufactured)
2002PorscheBoxsterManual2.7LH6N/Awith Pulley; Alternator (Remanufactured)
2002PorscheBoxsterManual3.2LH6N/Awith Pulley; Alternator (Remanufactured)
2001Porsche911Coupe3.4LH6N/Awith Over-Running Clutch Pulley; with Pulley; Alternator (Remanufactured)
2001Porsche9113.6LH6N/Awith Over-Running Clutch Pulley; with Pulley; Alternator (Remanufactured)
2001PorscheBoxster3.2LH6N/Awith Over-Running Clutch Pulley; with Pulley; Alternator (Remanufactured)
2000PorscheBoxster3.2LH6N/Awith Over-Running Clutch Pulley; with Pulley; Alternator (Remanufactured)
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
99660301202