TYC 2-11577 Alternator
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TYC

TYC 2-11577 Alternator

Brand TYC 2-11577
Fan Position Internal
Oe Manufacturer Nd
Power Generation (amps) 100a
Pully Wheel Design Decoupler pulley
Pully Wheel Grooves 6
Regulator Position Internal
Rotation Direction Cw
Fits Toyota · 12 vehicles

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

Internal fan. Helps manage heat for consistent alternator operation.

Decoupler pulley. Reduces belt vibration for smoother accessory drive operation.

Cross-references BBB Industries 11577, DENSO 210-0773 and Lester 11577 for the same application. See all 7.

$187.15Free shipping
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OE-Style Alternator for Toyota Corolla and Matrix

This TYC alternator is built for select 2011-2013 Toyota Corolla and Toyota Matrix applications with a 100-amp output. It uses an internal regulator, internal fan, and a decoupler pulley to match the OE-style charging system layout.

  • Part number: TYC 2-11577
  • 100A output for factory-style electrical charging performance
  • Internal regulator and internal fan configuration
  • Decoupler pulley with 6-groove pulley wheel design
  • Clockwise rotation direction
  • OE manufacturer reference: ND
  • Fits 2011-2013 Toyota Corolla, N/A; NORTH AMERICA BUILT
  • Fits 2011-2013 Toyota Matrix, N/A

Detailed Product Overview

TYC 2-11577 is an alternator for Toyota Corolla and Toyota Matrix models that require a 100-amp charging unit with internal regulation and internal cooling fan placement. The decoupler pulley and 6-groove pulley wheel design support OE-style belt drive compatibility, while the clockwise rotation matches the original application layout. This part cross-references DENSO 210-0773 for the same application.

Common Charging System Issues

  • Battery warning light illuminated on the dash
  • Weak charging output during driving or idle conditions
  • Electrical accessories operating inconsistently
  • Battery not maintaining charge after normal use
  • Noise or belt-drive concerns related to alternator pulley operation

Installation Notes and Tips

Verify the vehicle’s original alternator configuration before installation, including internal regulator placement, internal fan setup, pulley style, groove count, and rotation direction. Confirm fitment for 2011-2013 Toyota Corolla North America built models and 2011-2013 Toyota Matrix applications before ordering. Use the vehicle’s charging system specifications to match the correct replacement part number 2-11577.

Quality Assurance

TYC supplies OE-style electrical components built to match application-specific requirements for charging system replacement. This alternator is specified for the listed Toyota Corolla and Toyota Matrix fitments and follows the OE manufacturer reference ND.

Related reading

This part fits 12 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelBody TypeLitersCylindersPositionNotes
2013ToyotaCorollaSSedan1.8LL4N/ANORTH AMERICA BUILT; Regulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 100A
2013ToyotaCorollaLSedan1.8LL4N/ANORTH AMERICA BUILT; Regulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 100A
2013ToyotaCorollaLESedan1.8LL4N/ANORTH AMERICA BUILT; Regulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 100A
2013ToyotaMatrix—Wagon1.8LL4N/ARegulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 100A
2012ToyotaCorollaSSedan1.8LL4N/ANORTH AMERICA BUILT; Regulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 100A
2012ToyotaCorollaLESedan1.8LL4N/ANORTH AMERICA BUILT; Regulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 100A
2012ToyotaCorollaLSedan1.8LL4N/ANORTH AMERICA BUILT; Regulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 100A
2012ToyotaMatrix—Wagon1.8LL4N/ARegulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 100A
2011ToyotaCorollaLESedan1.8LL4N/ANORTH AMERICA BUILT; Regulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 100A
2011ToyotaCorollaBaseSedan1.8LL4N/ANORTH AMERICA BUILT; Regulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 100A
2011ToyotaCorollaSSedan1.8LL4N/ANORTH AMERICA BUILT; Regulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 100A
2011ToyotaMatrix—Wagon1.8LL4N/ARegulator Position: Internal; Fan Position: Internal; Power Generation (Amps): 100A
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
BBB Industries — 11577DENSO — 210-0773Lester — 11577MPA — 10111Remy — 11077Toyota — 27060-0T130-84WPS World Power Systems — 11577N