273700C020 Toyota HOLDER ASSY, ALTERNATOR BRUSH, Price: 12.23$, Weight: 0.04kg
| Make | Number | Name | Availability | Weight, kg | Ship in, Days | Price |
|---|---|---|---|---|---|---|
Toyota |
273700C020 |
HOLDER ASSY, ALTERNATOR BRUSH |
4526 |
0.04 |
2-3 |
12.23$ |
Originals
| Make | Number | Name | Availability | Weight, kg | Processing, days | Price | |
|---|---|---|---|---|---|---|---|
| Toyota |
HOLDER ASSY, ALTERNATOR BRUSH
|
3740 |
0.046
|
|
14.68$
|
Substitutions
| Make | Number | Name | Availability | Weight, kg | Processing, days | Price | |
|---|---|---|---|---|---|---|---|
| Toyota |
HOLDER ASSY, ALTERNATOR BRUSH
|
0 |
0.038
|
-
|
12.13$
|
Not Available |
Alternator Brush Holder Assembly for Toyota ⚡
This OE-grade holder keeps the carbon brushes aligned and pressed against the rotor slip rings, feeding field current so your charging system stays strong. It stabilizes voltage, reduces brush chatter, and protects the regulator from noisy signals. Built from heat‑resistant resin with copper tracks and firm springs, it’s a small part with a big job.
Why you need it
Without a healthy brush holder, the alternator can’t maintain clean contact. That means weak charging, dim lights, and a battery that dies early. A fresh unit restores steady 13.8–14.4 V and extends alternator life.
How it works
Springs push the carbon brushes onto the slip rings. The regulator modulates current through these brushes to energize the rotor field. The holder insulates, guides, and keeps correct tension for consistent power.
What happens when it fails ⚠️
Battery lamp on, flickering lights, whining noise, burnt smell, or erratic voltage. Cracks or weak springs cause arcing and ring wear; stuck brushes can stop charging entirely, risking ECU and battery damage.
Installation tips ✅
Disconnect battery. Remove alternator rear cover, unscrew old holder, slide out gently. Check brush length, clean slip rings, fit new unit, tighten evenly, and test output with a multimeter. Perfect for Toyota charging system repair.