12305AA233 Subaru PULLEY-CRANKSHAFT, Price: 48.56$, Weight: 2kg


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

Subaru

12305AA233

PULLEY-CRANKSHAFT

44

2

2-3

48.56$

 

Substitutions

Make Number Name Availability Weight, kg Processing, days Price  
FEBEST
SBDSD30 
CRANKSHAFT PULLEY ENGINE
2
1.84
2-3
46.14$
 

Compatibility

BodyEngineVehicle GradeMarketModel Year FromModel Year ToSuspensionDiagram
WAGON3000CC EMPI DOHC NAOUT BACK FLAT6 L.L.BEANUSA12.199902.2004NORMAL SUSPENSION View

Crankshaft Pulley / Harmonic Balancer for Subaru Engines

This front-drive pulley is critical for smooth engine operation and reliable accessory drive. It damps torsional vibration from the crankshaft and drives the serpentine belts for the alternator, power steering, water pump, and A/C. Replacing a worn unit restores quiet idle, stable charging, and proper belt tracking ?.

How it works ⚙️

The pulley has a steel hub keyed to the crank, a bonded rubber isolator, and an inertia ring with multi‑rib grooves. The rubber layer absorbs twists from firing pulses, while the outer ring keeps belt speed steady. Correct mass and balance protect bearings and timing parts.

What happens if it’s bad ?

Cracked or delaminated rubber makes the ring wobble. You may hear squeal, see belt walk, or feel vibration. Charging drops, steering gets heavy, the engine overheats, or the belt snaps. Severe failure can chew the crank seal or disturb timing, risking engine damage.

Why choose this unit ?

OEM-grade fit, proper durometer rubber, and precise grooves ensure perfect alignment with Subaru accessory layouts. It is corrosion-resistant, dynamically balanced, and a direct bolt-on—no mods.

Install tips ?

Use a new center bolt if specified, lock the crank with the correct tool, align the keyway, and torque to factory spec. Inspect belts and the tensioner, keep oil off the rubber, and recheck torque after a short drive.

Compatibility

  • Legacy