Buy 1987 Subaru RS PT490790 Alternator - OEM Subaru Part # 23700AA020 (23700AA02R, 23700AA040, 23700AA041, 429907700)

78- A / C. AMT. SPI (A / C).

ALTERNATOR ASSEMBLY Alternator

Fits DL, GL, GL10, Loyale, RS, RX

Not For (P/S, TURB). Alternator
Your alternator replenishes your battery when your car is running. If you have a battery light, low charge warning, or your recently replaced battery already needs a jump, the alternator in your Subaru may need to be repaired or replaced.