The OEM Pentair 355315 Impeller is a replacement component engineered for use in Challenger High Pressure pool pumps rated at 1.5 horsepower. This precision-balanced impeller is critical to maintaining internal water movement and pressure levels inside the pump housing. Manufactured from durable, injection-molded materials, it supports long-term reliability and flow efficiency. It restores proper circulation performance when your original impeller wears out due to age or debris exposure.

• HP-Specific Compatibility: Made for use in 1.5 HP Pentair Challenger High Pressure pumps, ensuring the correct balance of flow and pressure.

• Genuine Pentair Part: OEM quality means it meets factory standards for material, sizing, and performance in high-use applications.

• Restores Water Flow: Helps the pump achieve optimal water circulation by efficiently pushing water through the filtration system.

• Reliable Build Quality: Manufactured from wear-resistant plastic designed to withstand continuous operation under high pressure.

• Simple Replacement Process: Drops into place when rebuilding or servicing your existing Challenger pump for renewed performance.

• (1)ÊPentair 355315 Impeller

• Pentair Challenger 1.5 HP Pumps

Need to restore water pressure on your Pentair Challenger 1.5 HP pump? This section covers install help, compatibility tips, and how to buy the OEM 355315 impeller at your local Discount Pool Mart location.

Restoring Flow on Challenger 1.5 HP Pumps

If your pool pump isnÕt moving water like it used to, a worn impeller could be the issue. The 355315 is made to restore proper performance.

What are the signs of a failing impeller in my 1.5 HP pump?

Will this part fix low pressure or weak returns in the pool?

How do I install the 355315 impeller on a Challenger pump?

Can this impeller work in a high-head pressure setup?

Can I walk into Discount Pool Mart to get this same day?

Diagnosing Pump Problems Related to the Impeller

Before you replace the entire pump, check if the impeller is the root cause. ItÕs a common failure point after years of use.

Why is my pump humming but not moving water?

Can a cracked impeller cause air bubbles in the return line?

How often should I replace this part under normal use?

Does this fit both standard and high-pressure Challenger models?

Can I bring the old part to the store to match it?

Buy Locally with Installation Help

No need to guess online Ñ Discount Pool Mart has parts in stock and team members who can help confirm fitment.

Where can I buy the 355315 impeller in store?

Do Discount Pool Mart stores carry this year-round?

Will someone help me identify my pump model in store?

Can I return this part if itÕs unopened and doesnÕt fit?

Are impeller installation services offered at local stores?