New 12V PMA Drop-In Plug-And-Play Alternator For Subaru 2.5L Engines In Impreza, WRX, STI, Legacy, Outback, Forester, Baja And Saab 9-2X 2005 Fits 23700-AA370, 23700-AA37A, 32-00-6062, A002TB2891, AMT0129

12V PMA plug-in alternator for 2.5L engines, single unit
✔️ 90A output, CW rotation, IR regulator, 132mm case, 1 pc

This 12V PMA drop-in alternator is a direct replacement for 2.5L Subaru models (Impreza, WRX, STI, Legacy, Outback, Forester, Baja) and Saab 9-2X from 2005. It is designed to swap in with minimal wiring changes and restore reliable charging after a failed or worn original unit. The unit includes an 8-diode rectifier for robust performance.

✅ 12V nominal voltage
✅ 90A amperage rating
✅ CW rotation
✅ Regulator/fan: IR/IF
✅ Plug code: 319
✅ Pulley class: S5
✅ Case outside diameter: 132 mm (5.20 in)
✅ Pulley OD: 55 mm (2.17 in)
✅ Mounting hardware included: No
✅ Replacement parts: 23700AA370, 23700-AA37A, AMT0129, A002TB2891
✅ Pack size: 1

💡 What is a drop-in 12V PMA alternator used for in 2.5L engine applications?

It’s a handy replacement that restores reliable charging for modern 2.5L Subaru and Saab 9-2X setups.

- Handy plug-and-play swap for quick installation - Restores stable 12V charging with a 90A output - Compatible with some manual transmissions as noted in description