23770AA040 Subaru PULLEY-IDLER, Price: 24.57$, Weight: 0.345kg


Hersteller Nummer Name Verfügbarkeit Gewicht, kg Ship in, Days Preis

Subaru

23770AA040

PULLEY-IDLER

5

0.345

2-3

24.57$

 

Kompatibilität

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WAGONRHD2.0L DOHC TURBO DIESELTD-DEKEurope/General08.201010.2012 View
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WAGONRHD2000CC DOHC TURBO DIESEL20TDX('11MY-=20DX)Europe/General03.201009.2011 View
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WAGON OUTBACKLHD2000CC DOHC TURBO DIESEL20DSREurope/General05.201311.2014 View
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XUVRHD2000CC DOHC TURBO DIESEL20DSREurope/General07.201303.2015 View

Engine Belt Guide Pulley (Idler) ?

This idler pulley is a key support part for the accessory belt system. It is needed to guide the belt on the correct path, keep steady wrap around other pulleys, and help maintain smooth rotation at different RPM. When installed correctly, it reduces belt flutter, limits noise, and protects expensive units like the alternator and A/C compressor.

How It Works ⚙️

The pulley spins on a sealed bearing while the belt rides on its outer surface. By providing a fixed turning point, it controls belt angle and alignment so the belt tracks straight without walking off the ribs. Quality bearings and a true pulley face are critical for low friction and long service life.

What Happens If It Fails ?

A worn bearing can squeal, grind, or wobble. If the pulley seizes or runs out of line, the belt may shred or slip, causing loss of charging, overheating (if belt-driven), and A/C failure. Continued driving can damage other pulleys and tensioners, turning a small issue into a costly roadside breakdown.

Compatible Models ✅

  • Land Cruiser Prado