Part #: 42245

BBB Industries 42245 Alternator

REMAN ALTERNATOR
9 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
REMAN ALTERNATOR
Fitment: Subaru, Legacy and Outback
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Reman Alternator for Subaru Legacy and Outback

The BBB Industries REMAN ALTERNATOR 42245 is a 12-volt, 130-amp replacement alternator built for select Subaru Legacy and Subaru Outback applications. It features an internal voltage regulator, air cooling, an internal fan, and a decoupler pulley with a 6-groove serpentine belt pulley for OE-style charging system operation.

Key Features

  • 130 amp output for stable charging performance
  • 12V alternator with internal voltage regulator
  • Air-cooled design with internal fan
  • Decoupled clutch pulley with pulley included
  • 6-groove serpentine belt pulley configuration
  • Negative polarity and 9 o'clock plug clock position
  • OE manufacturer reference: Mitsubishi

Product Details

BBB Industries REMAN ALTERNATOR 42245 is a remanufactured charging system component for Subaru Legacy and Subaru Outback models in the 2017-2019 range. It cross-references 23700-AB01A and A5TV0781 for the same application. This alternator is configured for vehicles using a 1-pin alternator plug on listed 2017 Subaru Legacy and Outback applications, and it supports OE-style fitment where the original unit uses a decoupler pulley and serpentine belt drive. The BBB Industries 42245 alternator is a direct replacement choice for drivers servicing Subaru Legacy and Subaru Outback charging system needs.

Vehicle Fitment

  • Fits 2018-2019 Subaru Legacy, N/A
  • Fits 2018-2019 Subaru Outback, N/A
  • Fits 2017-2018 Subaru Outback, N/A
  • Fits 2017 Subaru Legacy, N/A
  • Fits 2017 Subaru Legacy, N/A, w/1-Pin Alt Plug
  • Fits 2017 Subaru Outback, N/A, w/1-Pin Alt Plug

Common Issues This Part Can Address

  • Low battery charging caused by a failing alternator
  • Battery warning light or charging system warning on the dash
  • Dim lights or electrical instability at idle
  • Noise or pulley-related wear from the original alternator assembly
  • Charging output loss in Subaru Legacy and Subaru Outback applications

Installation Notes and Tips

Confirm the original alternator matches the 130-amp rating, 12-volt system, 6-groove serpentine pulley, decoupler pulley design, and 9 o'clock plug clock position before installation. Verify the vehicle uses the correct plug style, especially on 2017 Subaru Legacy and Subaru Outback models with a 1-pin alternator connector. Inspect the belt, tensioner, and charging connections during replacement to help ensure proper system operation.

Quality Assurance

BBB Industries remanufactured alternators are built to meet application-specific charging requirements for OE-style replacement use. This unit is remanufactured for the listed Subaru Legacy and Subaru Outback fitments and uses Mitsubishi OE manufacturer reference data for application matching.

BrandBBB Industries
Part Number42245
PositionREMAN ALTERNATOR
Amperage Rating130
Brushless DesignNo
Cooling MethodAir
Decoupled Or Clutch PulleyYes
Fan TypeInternal
Number Of Pulley Grooves6
OE ManufacturerMitsubishi
One Wire CapableNo
Plug Clock Position9
PolarityNegative
Pulley Belt TypeSerpentine
Pulley IncludedYes
Pulley TypeDecoupler
Voltage (V)12
Voltage Regulator TypeInternal

This part fits 9 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2019SubaruLegacy2.5LH4N/AFits various makes and models of vehicles, 130 Amps; REMAN ALTERNATOR
2019SubaruOutback2.5LH4N/AFits various makes and models of vehicles, 130 Amps; REMAN ALTERNATOR
2018SubaruLegacy2.5LH4N/AFits various makes and models of vehicles, 130 Amps; REMAN ALTERNATOR
2018SubaruOutback2.5LH4N/AOE No. 23700-AB01A; 130 Amps; REMAN ALTERNATOR
2018SubaruOutback2.5LH4N/AFits various makes and models of vehicles, 130 Amps; REMAN ALTERNATOR
2017SubaruLegacy2.5LH4N/AOE No. 23700-AB01A; 130 Amps; REMAN ALTERNATOR
2017SubaruLegacy2.5LH4N/Aw/1-Pin Alt Plug; 130 Amps; REMAN ALTERNATOR
2017SubaruOutback2.5LH4N/AOE No. 23700-AB01A; 130 Amps; REMAN ALTERNATOR
2017SubaruOutback2.5LH4N/Aw/1-Pin Alt Plug; 130 Amps; REMAN ALTERNATOR

* 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:

23700-AB01AA5TV0781

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