BBB Industries
REMAN ALTERNATOR

BBB Industries 11577 Alternator

Brand BBB Industries 11577
AC Tap No
Amperage Rating 100
Brushless Design No
Cooling Method Air
Decoupled Or Clutch Pulley Yes
Fan Type Internal
Number Of Pulley Grooves 6
OE Manufacturer Nippondenso
One Wire Capable No
Outside Pulley Diameter (in) 2-1/16
Outside Pulley Diameter (mm) 53
Plug Clock Position 8
Polarity Negative
Pulley Belt Type Serpentine
Pulley Included Yes
Pulley Type Decoupler
Rotation Direction Clockwise
Voltage (V) 12
Voltage Regulator Type Internal
Product line REMAN ALTERNATOR
Fits Toyota · 7 vehicles

Remanufactured unit. Restored for dependable charging performance.

OE manufacturer. Built to Nippondenso specifications for a precise fit and function.

Decoupler pulley. Helps smooth belt operation and reduce vibration.

Cross-references 27060-0T130, 27060-37081 and 104210-1461 for the same application. See all 5.

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Reman Alternator for Toyota Corolla and Matrix

BBB Industries REMAN ALTERNATOR 11577 is a 12-volt, 100-amp replacement alternator built for select Toyota Corolla and Toyota Matrix applications. It uses an internal voltage regulator, air cooling, and a serpentine-belt pulley setup with a decoupler pulley for OE-style charging system operation.

Key Features

  • 100 amp amperage rating for factory-style electrical output
  • 12V alternator with internal voltage regulator
  • OE manufacturer reference: Nippondenso
  • Serpentine belt drive with 6-groove pulley included
  • Decoupled clutch pulley design for smoother belt system operation
  • Clockwise rotation with internal fan and air cooling
  • Negative polarity and 8 o'clock plug clock position

Product Details

BBB Industries REMAN ALTERNATOR 11577 is a remanufactured charging component for vehicles originally equipped with a Nippondenso-style alternator. The unit includes a 53 mm (2-1/16 in.) outside pulley diameter, a decoupler pulley type, and a 6-groove serpentine belt interface. This part cross-references Toyota OE numbers 27060-0T130 and 27060-37081 for the same application. Use part number 11577 when matching the charging system on 2011-2013 Toyota Corolla and 2011-2013 Toyota Matrix models listed below.

Vehicle Fitment

  • Fits 2011-2013 Toyota Corolla, N/A — 100 amps; suitable for alternators with this amperage output; reman alternator.
  • Fits 2011-2013 Toyota Matrix, N/A — 100 amps; suitable for alternators with this amperage output; reman alternator.
  • Fits 2011 Toyota Corolla, N/A — 100 amps; from 12/2010; reman alternator.

Common Replacement Reasons

  • Battery warning light or charging system warning on the dash
  • Low charging output or unstable voltage at the battery
  • Noise from a worn pulley or internal alternator component
  • Electrical accessories dimming under load
  • Failure of the original alternator on Toyota Corolla or Toyota Matrix applications

Installation Notes and Quality Assurance

Confirm pulley groove count, plug clock position, rotation direction, and amperage rating before installation. Verify the vehicle uses the listed 100-amp configuration and the correct serpentine belt drive layout. Part number 11577 is a remanufactured BBB Industries alternator built to match the specified OE-style charging system requirements for the listed Toyota applications.

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2013ToyotaCorolla1.8LL4N/A100 Amps - suitable for alternators with this amperage output; REMAN ALTERNATOR
2013ToyotaMatrix1.8LL4N/A100 Amps - suitable for alternators with this amperage output; REMAN ALTERNATOR
2012ToyotaCorolla1.8LL4N/A100 Amps - suitable for alternators with this amperage output; REMAN ALTERNATOR
2012ToyotaMatrix1.8LL4N/A100 Amps - suitable for alternators with this amperage output; REMAN ALTERNATOR
2011ToyotaCorolla1.8LL4N/A100 Amps - suitable for alternators with this amperage output; REMAN ALTERNATOR
2011ToyotaCorolla1.8LL4N/A100 Amps; From 12/2010; REMAN ALTERNATOR
2011ToyotaMatrix1.8LL4N/A100 Amps - suitable for alternators with this amperage output; REMAN ALTERNATOR
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
27060-0T13027060-37081104210-1461104210-2800104210-2801