Keep the battery charged and every electrical system powered with the TERREPOWER (formerly BBB Industries) Alternator 42025. It installs as a direct-fit replacement for the 2014-2019 Toyota Corolla and the 2017-2018 Toyota Corolla IM.
Driven by the engine belt, the alternator converts the engine's mechanical energy into electrical power, charging the battery and running the vehicle's lights, ignition, and electrical accessories while the engine is running.
- Core job: supplies the electrical current the vehicle needs and keeps the battery topped up while you drive.
- Belt-driven: spins off the engine's belt drive to generate power on demand.
- Direct fit: replaces the original unit on the listed Corolla applications.
Common signs the alternator MAY need replacing include a lit battery/charging warning light, dimming or flickering headlights, and a battery that repeatedly discharges. If a failed alternator is the cause, this unit replaces it — diagnose the charging system first to confirm.
Interchange: 27060-0T230 · 270600T230 · 2614390 · FG12T050
Manufacturer part number 42025.
This part cross-references / interchanges with the following part numbers:
27060-0T230, 2614390, FG12T050
