Details

• Brand:

  

• SKU:

  23770AA05A

• Other Names:

  Pulley-Idler

• Description:

  2.5L with turbo. Legacy/Outback. 2.5l.

  Idler Pulley - Subaru (23770AA05A)

  The Idler Pulley - Subaru (23770AA05A) is a Genuine OEM component designed to guide and support the alternator drive belt within the accessory belt system. By maintaining correct routing and alignment, this pulley ensures smooth belt operation, reducing noise, preventing slippage, and extending the lifespan of both the belt and driven accessories. Built to Subaru’s factory specifications, it provides exact fitment, dependable performance, and long-term reliability.

  Constructed from high-strength, wear-resistant materials, the 23770AA05A is engineered to endure constant belt tension, high rotational speeds, and the demanding conditions of the engine bay. Its precision-machined design and durable bearing assembly ensure quiet, efficient rotation while resisting premature wear or failure. Subaru’s strict quality testing guarantees that this pulley maintains smooth performance under all operating conditions.

  As a direct-fit OEM replacement, the 23770AA05A is tailored for select Subaru models and installs easily without modification. Its factory accuracy makes it a trusted solution for both professional technicians and DIY owners who want to restore original performance.

  By replacing a worn or noisy idler pulley with the 23770AA05A, owners can restore proper belt tracking, eliminate squealing or grinding noises, and protect critical systems like the alternator, water pump, and air conditioning compressor from damage caused by misalignment or belt stress.

  The Idler Pulley - Subaru (23770AA05A) is the dependable choice for maintaining Subaru’s accessory drive system integrity. With OEM-grade engineering, it provides consistent performance and long-lasting durability.

  • Genuine OEM Subaru part manufactured to strict factory standards

  • Part number: 23770AA05A for precise fitment and compatibility

  • Guides and supports the alternator drive belt for proper alignment

  • Built with durable, high-strength materials and precision bearings

  • Direct-fit replacement for quick and accurate installation

  • Maintains belt stability, reduces noise, and extends component life

  By choosing this OEM Idler Pulley, owners and mechanics benefit from consistent belt performance, reduced risk of accessory failures, and long-term reliability. Because it matches Subaru’s original specifications, it ensures proper fitment and dependable operation.

  
  

• Condition: New

WARNING: California Proposition 65

×

California Proposition 65

WARNING: Cancer and reproductive harm - www.P65Warnings.ca.gov