Pulley - Subaru (21151AA100)

We offer only Original Subaru Parts

Genuine Subaru Parts
Subaru Parts
  • Subaru
  • 21151AA100

Details

  • Brand:

     Parts

  • SKU:

    21151AA100

  • Other Names:

    Pulley Water Pump

  • Description:

    2.5L without turbo, 2011-13. 2.5L without turbo, 2013-14.

    Pulley - Subaru (21151AA100)

    The Pulley - Subaru (21151AA100) is a Genuine OEM component designed to maintain proper belt alignment and power transfer within your vehicle’s engine system. This pulley plays a critical role in guiding and supporting the drive belt, ensuring consistent operation of essential accessories such as the alternator, water pump, and power steering. Subaru engineered this pulley to meet exact factory specifications, providing the reliability and precision required to keep your engine running smoothly.

    Built from high-strength, wear-resistant metal, the Pulley - Subaru (21151AA100) is designed to withstand high rotational speeds, friction, and heat without warping or premature wear. Its precision-machined surface ensures stable belt tracking, reducing noise, vibration, and the risk of belt slippage. By using OEM-grade materials and construction, Subaru guarantees long-term durability and performance unmatched by aftermarket alternatives.

    For professional mechanics, this pulley offers a dependable, factory-correct replacement that integrates seamlessly with the existing belt system. For DIY installers, it provides a direct-fit solution that requires no modifications, ensuring easy installation and reliable operation once fitted.

    A failing pulley can lead to squealing noises, misaligned belts, excessive vibration, or reduced accessory performance. Replacing it with the 21151AA100 restores proper belt tension and alignment, protecting surrounding components and maintaining consistent engine performance.

    • Genuine Subaru OEM pulley for precise compatibility

    • Guides and supports the drive belt for optimal alignment

    • High-strength metal construction resists heat and wear

    • Precision-machined surface reduces vibration and belt noise

    • Direct-fit replacement trusted by mechanics and DIY owners

    • Essential for maintaining accessory drive performance and engine reliability

    By choosing a Genuine Subaru OEM pulley, you ensure your engine’s accessory system remains efficient, quiet, and dependable. The Pulley - Subaru (21151AA100) delivers factory-level quality and durability, safeguarding both performance and long-term reliability for your Subaru.


  • Condition: New
  • MSRP: $50.82
  • Discount: $15.45 (30.4% off)
  • Sale Price: $35.37
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Manufacturer Warranty Minimum of 12 Months
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Pulley - Subaru (21151AA100)

We offer only Original Subaru Parts

Genuine Subaru Parts
Subaru Parts
  • Subaru
  • 21151AA100

Details

  • Brand:

     Parts

  • SKU:

    21151AA100

  • Other Names:

    Pulley Water Pump

  • Description:

    2.5L without turbo, 2011-13. 2.5L without turbo, 2013-14.

    Pulley - Subaru (21151AA100)

    The Pulley - Subaru (21151AA100) is a Genuine OEM component designed to maintain proper belt alignment and power transfer within your vehicle’s engine system. This pulley plays a critical role in guiding and supporting the drive belt, ensuring consistent operation of essential accessories such as the alternator, water pump, and power steering. Subaru engineered this pulley to meet exact factory specifications, providing the reliability and precision required to keep your engine running smoothly.

    Built from high-strength, wear-resistant metal, the Pulley - Subaru (21151AA100) is designed to withstand high rotational speeds, friction, and heat without warping or premature wear. Its precision-machined surface ensures stable belt tracking, reducing noise, vibration, and the risk of belt slippage. By using OEM-grade materials and construction, Subaru guarantees long-term durability and performance unmatched by aftermarket alternatives.

    For professional mechanics, this pulley offers a dependable, factory-correct replacement that integrates seamlessly with the existing belt system. For DIY installers, it provides a direct-fit solution that requires no modifications, ensuring easy installation and reliable operation once fitted.

    A failing pulley can lead to squealing noises, misaligned belts, excessive vibration, or reduced accessory performance. Replacing it with the 21151AA100 restores proper belt tension and alignment, protecting surrounding components and maintaining consistent engine performance.

    • Genuine Subaru OEM pulley for precise compatibility

    • Guides and supports the drive belt for optimal alignment

    • High-strength metal construction resists heat and wear

    • Precision-machined surface reduces vibration and belt noise

    • Direct-fit replacement trusted by mechanics and DIY owners

    • Essential for maintaining accessory drive performance and engine reliability

    By choosing a Genuine Subaru OEM pulley, you ensure your engine’s accessory system remains efficient, quiet, and dependable. The Pulley - Subaru (21151AA100) delivers factory-level quality and durability, safeguarding both performance and long-term reliability for your Subaru.


  • Condition: New

Vehicle Fitment

No application/vehicle fitment information available for this product
Vehicle Fitment
Year Make Model Body & Trim Engine & Transmission
( more fitments)
No fitment data available

Product Reviews

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