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Perrin Lightweight Alternator Pulley Subaru Legacy / Legacy XT (21-25) Blue / Red or Black

Perrin Lightweight Alternator Pulley Subaru Legacy / Legacy XT (21-25) Blue / Red or Black

Fitment Information

  • Subaru Legacy / Legacy XT (2021, 2022, 2023, 2024, 2025) 

Specs & Features

  • Material: CNC-machined 6061-T6 billet aluminum
  • OEM Alternator Pulley Weight .393 lbs
  • PERRIN Alternator Pulley Weight .116 lbs
  • Weight reduction: The pulley weighs ~ 0.116 lb, much lighter than heavier OEM alternator pulley - reducing rotating mass.
  • Finish / Options: Anodized finish (in this case, Blue - 118BL) for corrosion resistance and aesthetic look.
  • Design: Precision-machined grooves to match OEM and aftermarket belt paths, ensuring proper belt tracking and reliability.
  • Purpose / Benefits: Reduced accessory-belt drag - slightly improved throttle response / efficiency; lighter rotating mass; durable billet construction; optional aesthetic upgrade for engine bay.

What's included?

  • (1) PERRIN Alternator Pulley
  • (1) Flange Nut
  • Warranty & Instructions

    Product Description

    Decrease rotational mass and dress up your engine bay with the PERRIN Alternator Pulley!

    Redline360 sells only genuine and authentic PERRIN Performance products.

            Select Color
            From $15.55

            Original: $51.85

            -70%
            Perrin Lightweight Alternator Pulley Subaru Legacy / Legacy XT (21-25) Blue / Red or Black—

            $51.85

            $15.55
            Product image 1
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            Description

            Fitment Information

            • Subaru Legacy / Legacy XT (2021, 2022, 2023, 2024, 2025) 

            Specs & Features

            • Material: CNC-machined 6061-T6 billet aluminum
            • OEM Alternator Pulley Weight .393 lbs
            • PERRIN Alternator Pulley Weight .116 lbs
            • Weight reduction: The pulley weighs ~ 0.116 lb, much lighter than heavier OEM alternator pulley - reducing rotating mass.
            • Finish / Options: Anodized finish (in this case, Blue - 118BL) for corrosion resistance and aesthetic look.
            • Design: Precision-machined grooves to match OEM and aftermarket belt paths, ensuring proper belt tracking and reliability.
            • Purpose / Benefits: Reduced accessory-belt drag - slightly improved throttle response / efficiency; lighter rotating mass; durable billet construction; optional aesthetic upgrade for engine bay.

            What's included?

            • (1) PERRIN Alternator Pulley
            • (1) Flange Nut
            • Warranty & Instructions

              Product Description

              Decrease rotational mass and dress up your engine bay with the PERRIN Alternator Pulley!

              Redline360 sells only genuine and authentic PERRIN Performance products.

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