PERRIN PSP-ENG-111BK Lightweight Water Pump Pulley Black for 15-21 Subaru WRX

Vehicle Fitment

• 2015-2021 Subaru WRX (VA, 2.0L Turbo)

Features

• Lightweight water pump pulley reduces rotating mass
• Improves throttle response and engine rev feel
• 6061-T6 CNC-machined billet aluminum construction
• Black anodized finish for corrosion resistance
• Direct OEM replacement design - no modifications
• Precision machining promotes accurate belt tracking
• Easy install with basic hand tools
• Durable finish enhances engine bay aesthetics

Specifications

• Part Number: PSP-ENG-111BK
• Material: 6061-T6 billet aluminum
• Finish: Black anodized
• Weight: ~0.48 lbs, ~0.28 lbs lighter than OEM
• Function: Water pump pulley
• Drive Type: AWD (Subaru WRX application)

Included Components

• 1x PERRIN Lightweight Water Pump Pulley - Black
• 1x Installation Instructions & Warranty Sheet

Product Description

The PERRIN PSP-ENG-111BK Lightweight Water Pump Pulley is a high-quality performance upgrade for the 2015-2021 Subaru WRX. This pulley is precisely CNC-machined from 6061-T6 billet aluminum and finished in durable black anodize to reduce weight and resist corrosion. By replacing the heavier stock water pump pulley, this lightweight version reduces rotating mass, resulting in improved throttle responsiveness and a livelier engine rev feel without needing ECU tuning.

Installation is straightforward using common hand tools, and the pulley's precision machining ensures accurate belt tracking and reliable performance. The anodized black finish also enhances the look of your engine bay. Whether you're maximizing performance for spirited street driving or building a performance-oriented WRX, this lightweight water pump pulley is a clean and effective upgrade that complements other Perrin lightweight pulleys and accessories.