12305AA290 Subaru PULLEY-CRANKSHAFT, Price: 71.67$, Weight: 1.652kg
| Make | Number | Name | Availability | Weight, kg | Ship in, Days | Price |
|---|---|---|---|---|---|---|
Subaru |
12305AA290 |
PULLEY-CRANKSHAFT |
13 |
1.652 |
2-3 |
71.67$ |
Originals
| Make | Number | Name | Availability | Weight, kg | Processing, days | Price | |
|---|---|---|---|---|---|---|---|
| Subaru |
PULLEY-CRANKSHAFT
|
1 |
1.9
|
|
86.00$
|
Substitutions
| Make | Number | Name | Availability | Weight, kg | Processing, days | Price | |
|---|---|---|---|---|---|---|---|
| FEBEST |
CRANKSHAFT PULLEY ENGINE
|
2 |
1.84
|
2-3
|
46.14$
|
Compatibility
Crankshaft Pulley (Harmonic Balancer) for Subaru Engines ⚙️
Why this part is needed
This pulley is the heart of the belt drive. It spins the alternator, A/C, power steering, and sometimes the water pump, while damping torsional vibration from the crank. Without a healthy damper, bearings, timing parts, and belts suffer. Expect smoother idle, steadier charging, and quieter running when this unit is in top shape.
How it works
A machined hub locks to the crank via key/keyway. An outer inertia ring is bonded to the hub with a precise rubber layer. As the engine twists under load, the elastomer absorbs shake, and the multi‑rib grooves deliver clean rotation to the serpentine belt. Result: stable accessory speed and protected internals.
What happens if it’s broken ⚠️
Common signs are belt squeal, wobble, vibration at idle, battery light on, overheating, heavy steering, or A/C drop-out. If the rubber delaminates or the hub cracks, the belt can jump or fly off—loss of charging and cooling follows within minutes. Driving like this risks keyway wear or even a sheared crank bolt, leading to costly engine damage.
Pro install tips
Check pulley runout and rubber bond, clean the crank snout, align the key, seat fully, use a fresh bolt, torque to spec, and verify belt tracking/tension. Replace glazed or cracked belts during the job.
Compatibility
- Legacy
- Tribeca