23754AA010 Subaru BRUSH SET, Price: 9.23$, Weight: 0.005kg

Alternator Carbon Brush Kit for Subaru ⚡

Keep your charging system healthy with a fresh set of carbon brushes designed for Subaru alternators. These compact blocks of graphite ride on the rotor slip rings and feed field current, so your vehicle keeps the battery charged and electronics stable. Precise spring tension and OEM-grade materials ensure consistent contact and low electrical noise.

Why this part is needed

Without solid brush contact, the alternator can’t build a strong magnetic field. That means weak charging, dim lights, and a battery that dies early. Replacing worn brushes restores proper voltage and protects sensitive ECUs and sensors.

How it works ⚙️

Brushes press against the slip rings while the rotor spins. Current flows through the brushes into the rotor, creating a magnetic field. The regulator then controls that field to maintain steady system voltage.

When worn or broken

• Battery warning lamp flickers or stays on
• Headlights dim at idle, blower slows
• Hard starts, stalling, or low-voltage codes
• Burnt, short, or melted brush leads cause no-charge

Fitment & build

Engineered to Subaru dimensions with heat-resistant springs and low-ash graphite for long life and minimal slip ring wear.

Install tips

• Disconnect battery, remove alternator, open rear cover
• Desolder/unscrew old brushes; inspect slip rings for grooves
• Minimum brush length ≈ 5 mm; replace as a pair
• Clean dust, seat springs evenly, verify regulator ground

Pro care

Check charging voltage (13.8–14.6V), belt tension, and grounds. Replace regulator or bearings if noisy or over/under-charging.