TYC 2-11579 Alternator

Brand TYC 2-11579
Fan Position Internal
Oe Manufacturer MB
Power Generation (amps) 120A
Pully Wheel Design Regular
Pully Wheel Grooves 6
Regulator Position Internal
Rotation Direction CW
Fits Subaru · 12 vehicles

OE manufacturer. Built to match original equipment standards for dependable charging performance.

Internal regulator. Integrated regulation helps simplify the charging system layout.

120A output. Provides steady electrical power for demanding accessory loads.

Cross-references BBB Industries 11579, Lester 11579 and MPA 11579 for the same application. See all 5.

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Subaru Forester Alternator 2-11579

This TYC alternator is built for 2011-2013 Subaru Forester applications with a 120A output, internal fan, and internal voltage regulator. It is a direct-fit charging component for vehicles that need stable electrical output and OE-style mounting details.

Key Features

  • 120A power generation for Subaru Forester charging systems
  • Internal fan position for compact alternator packaging
  • Internal regulator position for integrated voltage control
  • Regular pulley wheel design with 6 grooves
  • Clockwise rotation direction
  • OE manufacturer reference: MB
  • Part number: 2-11579

Detailed Description

TYC 2-11579 is an alternator for 2011-2013 Subaru Forester models, engineered around the listed OE-style specifications for fit and electrical performance. With 120 amps of output, this unit supports the vehicle’s charging demands while matching the internal fan and internal regulator layout used in the application. The 6-groove regular pulley and clockwise rotation help ensure proper belt alignment and operation in the Subaru Forester charging system. This part number, 2-11579, is also referenced for the same application under several aftermarket and OE cross references.

This part cross-references BBB Industries 11579 and Lester 11579 for the same application.

What It Helps Solve

  • Battery warning light caused by alternator output loss
  • Low charging voltage during driving or idling
  • Dim lights or unstable electrical performance
  • Charging system noise related to alternator wear
  • Starting issues tied to insufficient battery recharge

Installation Notes and Tips

Fits 2011-2013 Subaru Forester, N/A. Confirm pulley groove count, rotation direction, and regulator/fan configuration before installation. Inspect the drive belt, belt tension, and electrical connectors during replacement to help avoid repeat charging-system faults. Verify the vehicle’s charging voltage after installation to confirm proper alternator operation.

Quality Assurance

TYC manufactures this alternator to match the listed OE-style application details for the Subaru Forester charging system. The design follows the specified internal regulator and internal fan configuration for consistent replacement fitment.

This part fits 12 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelBody TypeLitersCylindersPositionNotes
2013SubaruForesterX PremiumSport Utility2.5LH4N/ARegulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 120A
2013SubaruForesterX LimitedSport Utility2.5LH4N/ARegulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 120A
2013SubaruForesterXSport Utility2.5LH4N/ARegulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 120A
2013SubaruForesterX TouringSport Utility2.5LH4N/ARegulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 120A
2012SubaruForesterX LimitedSport Utility2.5LH4N/ARegulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 120A
2012SubaruForesterXSport Utility2.5LH4N/ARegulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 120A
2012SubaruForesterX TouringSport Utility2.5LH4N/ARegulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 120A
2012SubaruForesterX PremiumSport Utility2.5LH4N/ARegulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 120A
2011SubaruForesterX LimitedSport Utility2.5LH4N/ARegulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 120A
2011SubaruForesterX PremiumSport Utility2.5LH4N/ARegulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 120A
2011SubaruForesterXSport Utility2.5LH4N/ARegulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 120A
2011SubaruForesterX TouringSport Utility2.5LH4N/ARegulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 120A
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
BBB Industries — 11579Lester — 11579MPA — 11579Remy — 11083Subaru — 23700AA7018A