23721AA101 Subaru BRG-ALTNTR, Price: 11.49$, Weight: 1kg
| Make | Number | Name | Availability | Weight, kg | Ship in, Days | Price |
|---|---|---|---|---|---|---|
Subaru |
23721AA101 |
BRG-ALTNTR |
70 |
1 |
2-3 |
11.49$ |
Originals
| Make | Number | Name | Availability | Weight, kg | Processing, days | Price | |
|---|---|---|---|---|---|---|---|
| Subaru |
BRG-ALTNTR
|
4 |
1.15
|
|
13.79$
|
Substitutions
| Make | Number | Name | Availability | Weight, kg | Processing, days | Price | |
|---|---|---|---|---|---|---|---|
| Subaru |
BRG-ALTNTR
|
0 |
0.075
|
-
|
11.49$
|
Not Available |
Compatibility
| Body | Engine | Vehicle Grade | Market | Model Year From | Train | Gearbox | Diagram |
|---|---|---|---|---|---|---|---|
| SEDAN | 2500CC EMPI DOHC TURBO | STI TYPE RA | USA | 01.2017 | FULLTIME 4WD | 6SP MANUAL TRANSMISSION | View |
| Body | Made For Region | Engine | Vehicle Grade | Market | Model Year From | Train | Diagram |
|---|---|---|---|---|---|---|---|
| SEDAN | LHD | 2.5L DOHC TURBO | STI-HIGH WITH WING SPL | Europe/General | 04.2017 | FULLTIME 4WD | View |
Alternator Bearing (Generator Bearing) for Subaru
This small but critical bearing supports the alternator’s rotating shaft so the generator can spin smoothly and keep your battery charged ?. Even though it’s a low-cost internal piece, it has a big job: reducing friction, keeping the rotor centered, and preventing metal-to-metal contact at high RPM.
Why This Bearing Is Needed
The alternator runs anytime the engine is on. The bearing carries constant load from belt tension and heat from the charging system. A healthy bearing keeps the alternator quiet, efficient, and stable under acceleration and electrical demand (lights, A/C, heater fan) ?.
How It Works
Precision steel balls roll inside a hardened race, letting the shaft rotate with minimal resistance. It also holds correct alignment so the rotor doesn’t rub the stator, helping the alternator produce steady voltage ⚙️.
What Happens If It’s Worn or Broken
Common signs include whining, grinding, or chirping that changes with RPM. If ignored, the alternator can seize, throw the belt, overheat, or stop charging—leading to a dead battery, warning lights, and sudden stalling ?.