HomeBosch AL401N Alternator
Part #: AL401N

Bosch AL401N Alternator

Alternator (New)
20 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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Out of Stock
OE Direct Replacement — Bolt-on fit, no modifications needed
Alternator (New)
Fitment: Porsche, 911
Easy Returns — Return within 60 days for a full refund
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Reliable Bosch Alternator for Porsche 911

The Bosch AL401N alternator is designed to provide consistent 12-volt electrical power for your Porsche 911. This new alternator ensures efficient charging and reliable starting performance, making it a suitable replacement for your vehicle's electrical system needs.

  • Voltage: 12V for standard automotive electrical systems
  • Rotation Direction: Clockwise for proper fitment
  • External fan included for enhanced cooling
  • Internal regulator type for stable voltage output
  • Aluminum case material and color for durability and heat dissipation
  • Amperage rating of 90A to support vehicle electrical demands
  • Plug type 406 with 7-pin rear view main mounting ear at 6 o'clock
  • External regulator included for improved voltage control
  • New unit, not remanufactured, ensuring original equipment quality

About the Bosch Alternator (New) Product Line

The Bosch Alternator (New) product line focuses on delivering brand-new alternators engineered to meet or exceed original equipment specifications. This line emphasizes quality construction, including aluminum cases and integrated regulators, to provide reliable electrical charging solutions. The AL401N model is part of this line, offering a direct replacement alternator designed specifically for Porsche 911 applications.

Detailed Product Description

The Bosch AL401N alternator features a 12-volt system with a 90-amp output, suitable for the electrical requirements of the Porsche 911. Its clockwise rotation and external fan design help maintain optimal operating temperatures during vehicle operation. The alternator includes an internal regulator and an external regulator for precise voltage management, ensuring stable power delivery to your vehicle's battery and electrical components. The aluminum case provides durability and effective heat dissipation, while the 7-pin plug and mounting ear at 6 o'clock ensure proper fitment and secure installation.

Common Issues Addressed by This Alternator

  • Battery not charging or losing charge while driving
  • Dim or flickering headlights and electrical accessories
  • Warning lights related to charging system on the dashboard
  • Intermittent electrical failures or starting difficulties
  • Overheating alternator due to inadequate cooling

Installation Notes and Tips

  • Ensure compatibility with Porsche 911 models before installation
  • Verify clockwise rotation direction matches vehicle requirements
  • Check plug type 406 and mounting ear position for proper fit
  • Use appropriate tools to avoid damage to the aluminum case
  • Confirm external fan and regulator connections are secure

Quality Assurance and Warranty

This Bosch AL401N alternator is a new, original equipment quality part designed to meet strict manufacturing standards. It comes packaged securely in a box to prevent damage during transport. While specific warranty details are not provided here, Bosch alternators typically include manufacturer-backed warranties to ensure reliability and customer confidence.

BrandBosch
Part NumberAL401N
PositionAlternator (New)
Amperage Rating90
Case ColorAluminum
Case MaterialAluminum
Cases Per Pallet (ORLY)100
External Fan IncludedYes
External Regulator IncludedYes
Fan TypeExternal
New Or RemanufacturedNew
One Wire CapableNo
Original Equipment Manufacturer NamesVA
Outside Pulley Diameter0
PackagingBox
Plug Clock Rear View Main Mounting Ear at 6 O Clock7
Plug Type406
Pulley Groove Quantity0
Pulley IncludedNo
Pulley TypeNA
Pulley Type / Belt Type (Alternator)NA
Regulator TypeInternal
Rotation DirectionClockwise
Unit(s) per Car Qty (ORLY)1
Voltage12

This part fits 20 vehicles. Search below:

YearMakeModelBody TypeLitersCylindersPositionNotes
1989Porsche9113.3LH6N/ATo 90 Amp Alternator; Alternator (New)
1989Porsche9113.2LH6N/ATo 90 Amp Alternator; Alternator (New)
1989Porsche9113.6LH6N/ATo 90 Amp Alternator; Alternator (New)
1988Porsche9113.3LH6N/ATo 90 Amp Alternator; Alternator (New)
1988Porsche9113.2LH6N/ATo 90 Amp Alternator; Alternator (New)
1987Porsche9113.3LH6N/ATo 90 Amp Alternator; Alternator (New)
1987Porsche9113.2LH6N/ATo 90 Amp Alternator; Alternator (New)
1987Porsche9113.3LH6N/AAlternator (New)
1986Porsche9113.3LH6N/ATo 90 Amp Alternator; Alternator (New)
1986Porsche9113.2LH6N/ATo 90 Amp Alternator; Alternator (New)
1985Porsche9113.2LH6N/ATo 90 Amp Alternator; Alternator (New)
1985Porsche9113.2LH6N/AAlternator (New)
1985Porsche9113.3LH6N/AAlternator (New)
1985Porsche9113.2LH6N/ATo 90 Amp Alternator; with Paris-Rhone Unit; Alternator (New)
1984Porsche911Convertible3.2LH6N/ATo 90 Amp Alternator; with Paris-Rhone Unit; Alternator (New)
1984Porsche911Targa3.2LH6N/AAlternator (New)
1984Porsche911Coupe3.2LH6N/AAlternator (New)
1984Porsche9113.2LH6N/AAlternator (New)
1984Porsche9113.3LH6N/AAlternator (New)
1984Porsche9113.2LH6N/ATo 90 Amp Alternator; with Paris-Rhone Unit; Alternator (New)

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

91160312005

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.