23721AA100 Subaru BRG-ALTNTR, Price: 13.79$, Weight: 0.065kg

    • Make Number Name Availability Weight, kg Ship in, Days Price

    Subaru

    23721AA100

    BRG-ALTNTR

    		 0

    0.065

     Dispatch 24h

    13.79$
    Not Available

    Originals

    Make Number Name Availability Weight, kg Processing, days Price  
    Subaru
    23721AA100 
    BRG-ALTNTR
    		0
    0.075
    -
    11.49$
    		 Not Available

    Substitutions

    Make Number Name Availability Weight, kg Processing, days Price  
    Subaru
    23721AA101 
    BRG-ALTNTR
    		4
    1.15
     Dispatch 24h
    13.79$
     
    Subaru
    23721AA101 
    BRG-ALTNTR
    		70
    1.15
    2-3
    11.49$
     

    Alternator Support Bearing (High-Load Generator Bearing) ?

    This precision bearing is a small part with a big job: it supports the alternator shaft so the generator can spin smoothly and keep your battery charged. When your engine runs, the belt drives the alternator. Inside, this bearing holds the rotor centered, reduces friction, and keeps the pulley rotation stable under heat and high RPM.

    Why this bearing is needed ✅

    Without a healthy alternator bearing, the charging system can’t work reliably. A good bearing prevents wobble, belt vibration, and extra drag, helping your alternator stay quiet and efficient.

    How it works ⚙️

    The sealed races and rolling elements carry radial load while allowing fast rotation. Grease stays inside, dirt stays out, and the alternator rotor stays aligned for steady electrical output.

    What happens if it’s worn or broken ?

    Common signs are squealing, grinding, or a rumbling noise near the alternator. If ignored, the bearing can seize, shred the drive belt, overheat the alternator, and lead to low voltage—causing dim lights, battery warning lamp, stalling, or a no-start situation.

    Compatible Models

    • Lexus LX470