Pentair Impeller Locking Screw for Pool Pump | 355389

Pentair Impeller Locking Screw for Pool Pump | 355389

OEM Pentair impeller locking screw secures the pump impeller for reliable performance. Fits Challenger, SuperFlo, SuperMax, and Pinnacle pumps.

Features

• Secures the impeller to the motor shaft for stable pump operation
• Genuine Pentair OEM replacement for precise fit
• Corrosion-resistant construction for pool environments

Description

The Pentair Impeller Locking Screw is a small but essential replacement component that keeps your pool pump running properly. Designed to secure the impeller to the motor shaft, it helps prevent movement or loosening that can reduce efficiency or cause operational issues.

As a genuine Pentair OEM part, this locking screw provides precise fitment and dependable performance across compatible pump models. Its corrosion-resistant construction supports long service life in demanding pool environments, making it ideal for routine maintenance or repair work.

This replacement screw is commonly used with Pentair Challenger, SuperFlo, SuperMax, and Pinnacle pumps, helping maintain consistent water circulation and system reliability.

Pro Tip

When replacing an impeller locking screw, inspect the shaft seal and diffuser O-ring at the same time. Replacing worn components together helps prevent future leaks and repeated disassembly.

Related Parts

Installation Tips

Disconnect power before servicing pump equipment. Verify pump model compatibility in your owner’s manual and ensure proper torque during installation to avoid impeller or shaft damage.

We want you to have quick and easy access to warranty information for all the brands we carry. Please click on the links below to view each manufacturer’s warranty page:

• Pentair Warranty
  
• A&A (Pentair In-Floor) Warranty
  
• Fluidra Warranty (Zodiac / Jandy / Polaris / Caretaker)
  
• Paramount Warranty
  
• BlueSquare Warranty
  
• Hayward Warranty
  
• All Other Manufacturer Warranties
  

Note: Warranty coverage, registration, and service terms are provided directly by the manufacturer. Please review the details carefully to ensure proper understanding of coverage and claim procedures.